Flood Warning IllinoisState Weather Alerts

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois...indiana... Wabash River At New Harmony .rainfall That Has Already Occurred...along With Anticipated Rain Through The Weekend...will Continue To Cause Rises Along The Wabash River Basin. New Harmony Is Expected To Reach The Moderate Flood ...Read More.
Effective: February 24, 2018 at 7:12amExpires: February 23, 2018 at 2:50amTarget Area: Gallatin; Wabash; White

Flood Warning
...the Flood Warning Continues For The Following Rivers In Indiana... Kentucky...illinois...missouri... Ohio River At Owensboro...evansville...j.t. Meyers Dam...shawneetown... Smithland Dam...paducah...brookport Dam...grand Chain Dam And Cairo .rainfall That Has Already Occurred...along With Anticipated Rain Through The Weekend...will Continue To Cause Rises Along The Ohio River ...Read More.
Effective: February 21, 2018 at 10:24pmExpires: February 23, 2018 at 2:23amTarget Area: Alexander; Pulaski

Flood Warning
...the Flood Warning Continues For The Following Rivers In Indiana... Kentucky...illinois...missouri... Ohio River At Owensboro...evansville...j.t. Meyers Dam...shawneetown... Smithland Dam...paducah...brookport Dam...grand Chain Dam And Cairo .rainfall That Has Already Occurred...along With Anticipated Rain Through The Weekend...will Continue To Cause Rises Along The Ohio River ...Read More.
Effective: February 21, 2018 at 10:24pmExpires: February 23, 2018 at 2:23amTarget Area: Gallatin; Hardin

Flood Warning
...the Flood Warning Continues For The Following Rivers In Indiana... Kentucky...illinois...missouri... Ohio River At Owensboro...evansville...j.t. Meyers Dam...shawneetown... Smithland Dam...paducah...brookport Dam...grand Chain Dam And Cairo .rainfall That Has Already Occurred...along With Anticipated Rain Through The Weekend...will Continue To Cause Rises Along The Ohio River ...Read More.
Effective: February 21, 2018 at 10:24pmExpires: February 23, 2018 at 2:23amTarget Area: Massac

Flood Warning
...the Flood Warning Continues For The Following Rivers In Indiana... Kentucky...illinois...missouri... Ohio River At Owensboro...evansville...j.t. Meyers Dam...shawneetown... Smithland Dam...paducah...brookport Dam...grand Chain Dam And Cairo .rainfall That Has Already Occurred...along With Anticipated Rain Through The Weekend...will Continue To Cause Rises Along The Ohio River ...Read More.
Effective: February 21, 2018 at 10:24pmExpires: February 23, 2018 at 2:23amTarget Area: Massac; Pope

Flood Warning
...the Flood Warning Continues For The Following Rivers In Indiana... Kentucky...illinois...missouri... Ohio River At Owensboro...evansville...j.t. Meyers Dam...shawneetown... Smithland Dam...paducah...brookport Dam...grand Chain Dam And Cairo .rainfall That Has Already Occurred...along With Anticipated Rain Through The Weekend...will Continue To Cause Rises Along The Ohio River ...Read More.
Effective: February 21, 2018 at 10:24pmExpires: February 23, 2018 at 2:23amTarget Area: Massac; Pulaski

Flood Warning
...the Flood Warning Continues For The Following Rivers In Indiana... Kentucky...illinois...missouri... Ohio River At Owensboro...evansville...j.t. Meyers Dam...shawneetown... Smithland Dam...paducah...brookport Dam...grand Chain Dam And Cairo .rainfall That Has Already Occurred...along With Anticipated Rain Through The Weekend...will Continue To Cause Rises Along The Ohio River ...Read More.
Effective: February 21, 2018 at 10:24pmExpires: February 23, 2018 at 2:23amTarget Area: Pope

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Vermilion River Near Leonore Affecting La Salle County The Flood Warning Continues For The Vermilion River Near Leonore. * Until Late Thursday Night. ...Read More.
Effective: February 21, 2018 at 10:07pmExpires: February 23, 2018 at 12:00amTarget Area: La Salle

Flood Warning
...observed Flooding Changed From Minor To Moderate Severity For The Following Rivers In Illinois... ...forecast Flooding Changed From Minor To Moderate Severity For The Following Rivers In Illinois... Vermilion River At Pontiac Affecting Livingston County ...observed Flooding Increased From Minor To Moderate Severity... ...Read More.
Effective: February 21, 2018 at 10:05pmExpires: February 22, 2018 at 6:32pmTarget Area: Livingston

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Little Wabash River At Carmi .rainfall That Has Already Occurred...along With Anticipated Rain Through The Weekend...will Continue To Cause Rises Along The Little Wabash River Basin. Minor Flooding Is Forecast At Carmi. ...Read More.
Effective: February 22, 2018 at 5:30pmExpires: February 23, 2018 at 2:00amTarget Area: Gallatin; Wayne; White

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Big Muddy River Near Murphysboro And Plumfield .rainfall That Has Already Occurred...along With Anticipated Rain Through The Weekend...will Continue To Cause Rises Along The Big Muddy River. Murphysboro Is Expected To Crest At 23.1 On Tuesday. ...Read More.
Effective: February 21, 2018 at 9:51pmExpires: February 25, 2018 at 12:00pmTarget Area: Franklin; Williamson

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Big Muddy River Near Murphysboro And Plumfield .rainfall That Has Already Occurred...along With Anticipated Rain Through The Weekend...will Continue To Cause Rises Along The Big Muddy River. Murphysboro Is Expected To Crest At 23.1 On Tuesday. ...Read More.
Effective: February 25, 2018 at 6:00pmExpires: February 28, 2018 at 1:30pmTarget Area: Jackson

Flood Warning
...forecast Flooding Changed From Minor To Moderate Severity For The Following Rivers In Indiana...kentucky...illinois... Ohio River At Newburgh Dam...mount Vernon And Golconda .rainfall That Has Already Occurred...along With Anticipated Rain Through The Weekend...will Continue To Cause Rises Along The Ohio River Basin. Newburgh Dam, Mount Vernon, And Golconda Are All Expected To Reach ...Read More.
Effective: February 21, 2018 at 9:33pmExpires: February 23, 2018 at 1:32amTarget Area: Hardin; Pope

Flood Warning
...a Flood Warning Continues For Portions Of The Following Rivers And Creeks In Indiana... Driftwood River...east Fork White River...flatrock River... Mississinewa River...muscatatuck River...tippecanoe River...wabash River...white River...wildcat Creek...youngs Creek... .extensive River Flooding Will Continue To Develop Across Much Of ...Read More.
Effective: February 21, 2018 at 9:26pmExpires: February 22, 2018 at 9:25pmTarget Area: Clark; Crawford

Flood Warning
...a Flood Warning Continues For Portions Of The Following Rivers And Creeks In Indiana... Driftwood River...east Fork White River...flatrock River... Mississinewa River...muscatatuck River...tippecanoe River...wabash River...white River...wildcat Creek...youngs Creek... .extensive River Flooding Will Continue To Develop Across Much Of ...Read More.
Effective: February 21, 2018 at 9:26pmExpires: February 22, 2018 at 9:25pmTarget Area: Crawford; Lawrence

Flood Warning
...a Flood Warning Continues For Portions Of The Following Rivers And Creeks In Indiana... Driftwood River...east Fork White River...flatrock River... Mississinewa River...muscatatuck River...tippecanoe River...wabash River...white River...wildcat Creek...youngs Creek... .extensive River Flooding Will Continue To Develop Across Much Of ...Read More.
Effective: February 21, 2018 at 9:26pmExpires: February 22, 2018 at 9:25pmTarget Area: Crawford; Lawrence

Flood Warning
...a Flood Warning Continues For Portions Of The Following Rivers And Creeks In Indiana... Driftwood River...east Fork White River...flatrock River... Mississinewa River...muscatatuck River...tippecanoe River...wabash River...white River...wildcat Creek...youngs Creek... .extensive River Flooding Will Continue To Develop Across Much Of ...Read More.
Effective: February 22, 2018 at 1:00amExpires: February 22, 2018 at 9:25pmTarget Area: Wabash

Flood Warning
...a Flood Warning Continues For Portions Of The Following Rivers And Creeks In Indiana... Driftwood River...east Fork White River...flatrock River... Mississinewa River...muscatatuck River...tippecanoe River...wabash River...white River...wildcat Creek...youngs Creek... .extensive River Flooding Will Continue To Develop Across Much Of ...Read More.
Effective: February 22, 2018 at 12:00pmExpires: February 22, 2018 at 9:25pmTarget Area: Wabash

Flood Warning
...a Flood Warning Continues For Portions Of The Following Rivers And Creeks In Indiana... Driftwood River...east Fork White River...flatrock River... Mississinewa River...muscatatuck River...tippecanoe River...wabash River...white River...wildcat Creek...youngs Creek... .extensive River Flooding Will Continue To Develop Across Much Of ...Read More.
Effective: February 23, 2018 at 2:00pmExpires: February 22, 2018 at 9:25pmTarget Area: Edwards; Gallatin; Wabash; White

Flood Warning
...a Flood Warning Continues For Portions Of The Following Rivers And Creeks In Indiana... Driftwood River...east Fork White River...flatrock River... Mississinewa River...muscatatuck River...tippecanoe River...wabash River...white River...wildcat Creek...youngs Creek... .extensive River Flooding Will Continue To Develop Across Much Of ...Read More.
Effective: February 23, 2018 at 6:00pmExpires: February 22, 2018 at 9:25pmTarget Area: Lawrence; Wabash

Flood Warning
The National Weather Service In Lincoln Has Issued A * Flood Warning For... Southeastern Champaign County In East Central Illinois... * Until 900 Am Cst Thursday * At 902 Pm Cst, Emergency Management Reported Extensive Flooding In St. Joseph And Sidney, Due To The Three To Four Inches Of Rain ...Read More.
Effective: February 22, 2018 at 8:00pmExpires: February 22, 2018 at 10:13amTarget Area: Champaign

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Kaskaskia River At Vandalia .this Flood Warning Is A Result Of 3 Inches Of Rainfall The Past 24 Hours And Up To An Inch Forecast In The Next 48 Hours... The Flood Warning Continues For ...Read More.
Effective: February 21, 2018 at 8:29pmExpires: February 25, 2018 at 5:30amTarget Area: Fayette

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Illinois River At Henry Affecting Marshall And Putnam Counties Illinois River Near Havana Affecting Cass...fulton And Mason Counties Illinois River At Peoria Affecting Peoria...tazewell And Woodford Counties ...Read More.
Effective: February 22, 2018 at 1:00amExpires: February 22, 2018 at 10:13amTarget Area: Cass; Fulton; Mason

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Illinois River At Henry Affecting Marshall And Putnam Counties Illinois River Near Havana Affecting Cass...fulton And Mason Counties Illinois River At Peoria Affecting Peoria...tazewell And Woodford Counties ...Read More.
Effective: February 22, 2018 at 9:00amExpires: February 22, 2018 at 10:13amTarget Area: Peoria; Tazewell; Woodford

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Illinois River At Henry Affecting Marshall And Putnam Counties Illinois River Near Havana Affecting Cass...fulton And Mason Counties Illinois River At Peoria Affecting Peoria...tazewell And Woodford Counties ...Read More.
Effective: February 22, 2018 at 8:00pmExpires: February 22, 2018 at 10:13amTarget Area: Brown; Cass; Morgan; Schuyler

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Illinois River At Henry Affecting Marshall And Putnam Counties Illinois River Near Havana Affecting Cass...fulton And Mason Counties Illinois River At Peoria Affecting Peoria...tazewell And Woodford Counties ...Read More.
Effective: February 22, 2018 at 12:00amExpires: February 22, 2018 at 10:14amTarget Area: Marshall; Putnam

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Fox River At Montgomery Affecting Kane And Kendall Counties Fox River At Dayton Affecting La Salle County ...the Flood Warning Continues For The Following Rivers In Illinois... ...Read More.
Effective: February 23, 2018 at 6:00amExpires: February 22, 2018 at 10:13amTarget Area: Kane; McHenry

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Fox River At Montgomery Affecting Kane And Kendall Counties Fox River At Dayton Affecting La Salle County ...the Flood Warning Continues For The Following Rivers In Illinois... ...Read More.
Effective: February 21, 2018 at 8:13pmExpires: February 24, 2018 at 10:00amTarget Area: La Salle

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Fox River At Montgomery Affecting Kane And Kendall Counties Fox River At Dayton Affecting La Salle County ...the Flood Warning Continues For The Following Rivers In Illinois... ...Read More.
Effective: February 21, 2018 at 8:13pmExpires: February 26, 2018 at 12:00amTarget Area: Kane; Kendall

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Du Page River Near Plainfield Affecting Will County Du Page River At Shorewood Affecting Will County The Flood Warning Continues For The Du Page River Near Plainfield. ...Read More.
Effective: February 21, 2018 at 8:07pmExpires: February 22, 2018 at 4:30pmTarget Area: Will

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Illinois River At La Grange Ld Meredosia Valley City ...Read More.
Effective: February 23, 2018 at 7:00pmExpires: February 22, 2018 at 8:06pmTarget Area: Pike; Scott

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Illinois River At La Grange Ld Meredosia Valley City ...Read More.
Effective: February 24, 2018 at 9:00amExpires: February 22, 2018 at 8:06pmTarget Area: Calhoun; Greene; Jersey

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Illinois River At La Grange Ld Meredosia Valley City ...Read More.
Effective: February 24, 2018 at 4:00amExpires: February 22, 2018 at 8:07pmTarget Area: Pike

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Illinois River At La Grange Ld Meredosia Valley City ...Read More.
Effective: February 24, 2018 at 9:00amExpires: February 22, 2018 at 8:07pmTarget Area: Brown

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Du Page River Near Plainfield Affecting Will County Du Page River At Shorewood Affecting Will County The Flood Warning Continues For The Du Page River At Shorewood. ...Read More.
Effective: February 21, 2018 at 8:07pmExpires: February 23, 2018 at 3:36amTarget Area: Will

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... East Branch Du Page River At Bolingbrook Affecting Will County The Flood Warning Continues For The East Branch Du Page River At Bolingbrook. * Until Friday Morning. ...Read More.
Effective: February 21, 2018 at 8:06pmExpires: February 23, 2018 at 9:59amTarget Area: Will

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Little Wabash River Below Clay City Affecting Clay And Richland Counties The Following Forecasts Are Based On Observed Precipitation, Soil Moisture Conditions, And Forecast Precipitation. The Flood Warning Continues For ...Read More.
Effective: February 22, 2018 at 2:00amExpires: February 22, 2018 at 10:05amTarget Area: Clay; Richland

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... W Br Du Page River Near Warrenville Affecting Du Page County The Flood Warning Continues For The W Br Du Page River Near Warrenville. * Until Thursday Morning. ...Read More.
Effective: February 21, 2018 at 8:05pmExpires: February 22, 2018 at 10:48amTarget Area: DuPage

Flood Warning
The Following Forecasts Are Based On Observed Precipitation, Soil Moisture Conditions, And Forecast Precipitation. * At 745 Pm Wednesday The Stage Was 23.0 Feet. * Flood Stage Is 30.0 Feet. * Forecast...rise Above Flood Stage By Friday Evening And Continue To Rise To Near 32.6 Feet By Early Monday Morning.the River Will Fall ...Read More.
Effective: February 23, 2018 at 9:00pmExpires: February 28, 2018 at 9:00pmTarget Area: Lawrence

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Indiana... Vermilion River Near Danville Affecting Vermilion And Vermillion Counties The Following Forecasts Are Based On Observed Precipitation, Soil Moisture Conditions, And Forecast Precipitation. ...Read More.
Effective: February 21, 2018 at 7:57pmExpires: February 23, 2018 at 2:00pmTarget Area: Vermilion

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Des Plaines River Near Russell Affecting Lake County Des Plaines River Near Gurnee Affecting Lake County Des Plaines River Near Des Plaines Affecting Cook County ...the Flood Warning Continues For The Following Rivers In ...Read More.
Effective: February 21, 2018 at 7:56pmExpires: February 22, 2018 at 6:00pmTarget Area: Cook

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Des Plaines River Near Russell Affecting Lake County Des Plaines River Near Gurnee Affecting Lake County Des Plaines River Near Des Plaines Affecting Cook County ...the Flood Warning Continues For The Following Rivers In ...Read More.
Effective: February 21, 2018 at 7:56pmExpires: February 22, 2018 at 8:00pmTarget Area: Cook

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Des Plaines River Near Russell Affecting Lake County Des Plaines River Near Gurnee Affecting Lake County Des Plaines River Near Des Plaines Affecting Cook County ...the Flood Warning Continues For The Following Rivers In ...Read More.
Effective: February 21, 2018 at 7:56pmExpires: February 24, 2018 at 12:00amTarget Area: Lake

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Des Plaines River Near Russell Affecting Lake County Des Plaines River Near Gurnee Affecting Lake County Des Plaines River Near Des Plaines Affecting Cook County ...the Flood Warning Continues For The Following Rivers In ...Read More.
Effective: February 21, 2018 at 7:56pmExpires: February 26, 2018 at 3:00pmTarget Area: Lake

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Mazon River Near Coal City Affecting Grundy County The Flood Warning Continues For The Mazon River Near Coal City. * Until Thursday Afternoon. ...Read More.
Effective: February 21, 2018 at 7:39pmExpires: February 22, 2018 at 12:00pmTarget Area: Grundy

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Sugar Creek At Milford Affecting Iroquois County The Flood Warning Continues For The Sugar Creek At Milford. * Until Friday Evening. ...Read More.
Effective: February 21, 2018 at 7:38pmExpires: February 23, 2018 at 9:00pmTarget Area: Iroquois

Flood Warning
...the Flood Warning Continues For The Following Rivers In Indiana... Illinois... Iroquois River Near Foresman Affecting Newton County Iroquois River At Iroquois Affecting Iroquois County Iroquois River Near Chebanse Affecting Iroquois And Kankakee Counties ...Read More.
Effective: February 21, 2018 at 7:37pmExpires: February 26, 2018 at 2:00amTarget Area: Iroquois; Kankakee

Flood Warning
...the Flood Warning Continues For The Following Rivers In Indiana... Illinois... Iroquois River Near Foresman Affecting Newton County Iroquois River At Iroquois Affecting Iroquois County Iroquois River Near Chebanse Affecting Iroquois And Kankakee Counties ...Read More.
Effective: February 21, 2018 at 7:37pmExpires: February 27, 2018 at 11:00amTarget Area: Iroquois

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Sangamon River At Monticello Affecting Piatt County The Following Forecasts Are Based On Observed Precipitation, Soil Moisture Conditions, And Forecast Precipitation. The Flood Warning Continues For The Sangamon River At Monticello. ...Read More.
Effective: February 21, 2018 at 7:37pmExpires: February 27, 2018 at 6:00pmTarget Area: Piatt

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Spoon River At London Mills Affecting Fulton And Knox Counties Spoon River At Seville Affecting Fulton County The Following Forecasts Are Based On Observed Precipitation, Soil Moisture Conditions, And Forecast Precipitation. The Flood Warning Continues For ...Read More.
Effective: February 21, 2018 at 7:35pmExpires: February 23, 2018 at 12:00amTarget Area: Fulton; Knox

Flood Warning
...the Flood Warning Continues For The Following River In Illinois... Spoon River At London Mills Affecting Fulton And Knox Counties Spoon River At Seville Affecting Fulton County The Following Forecasts Are Based On Observed Precipitation, Soil Moisture Conditions, And Forecast Precipitation. The Flood Warning Continues For ...Read More.
Effective: February 21, 2018 at 7:35pmExpires: February 23, 2018 at 1:33amTarget Area: Fulton

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Kankakee River Near Wilmington Affecting Grundy And Will Counties ...the Flood Warning Continues For The Following Rivers In Indiana... Illinois... Kankakee River At Dunns Bridge Affecting Porter County ...Read More.
Effective: February 21, 2018 at 7:33pmExpires: February 22, 2018 at 9:32amTarget Area: Kankakee

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Kankakee River Near Wilmington Affecting Grundy And Will Counties ...the Flood Warning Continues For The Following Rivers In Indiana... Illinois... Kankakee River At Dunns Bridge Affecting Porter County ...Read More.
Effective: February 21, 2018 at 7:33pmExpires: February 26, 2018 at 12:00amTarget Area: Grundy; Will

Flood Warning
.here Is Update River Flood Forecasts For The Rock And Pecatonica Rivers. River Forecasts Include Past Precipitation And Forecast Rainfall For The Next 48 Hours. ...flood Warning Remains In Effect Until Further Notice... The Flood Warning Continues For The Rock River Near Joslin. ...Read More.
Effective: February 21, 2018 at 7:31pmExpires: February 22, 2018 at 11:29amTarget Area: Henry; Rock Island; Whiteside

Flood Warning
.here Is Update River Flood Forecasts For The Rock And Pecatonica Rivers. River Forecasts Include Past Precipitation And Forecast Rainfall For The Next 48 Hours. ...flood Warning Now In Effect Until Further Notice... The Flood Warning Continues For The Rock River At Moline. ...Read More.
Effective: February 21, 2018 at 11:02pmExpires: February 22, 2018 at 11:29amTarget Area: Henry; Rock Island

Flood Warning
.here Is Update River Flood Forecasts For The Rock And Pecatonica Rivers. River Forecasts Include Past Precipitation And Forecast Rainfall For The Next 48 Hours. ...flood Warning Now In Effect Until Saturday... The Flood Warning Continues For The Rock River At Como. ...Read More.
Effective: February 21, 2018 at 7:31pmExpires: February 26, 2018 at 12:00amTarget Area: Whiteside

Flood Warning
.here Is Update River Flood Forecasts For The Rock And Pecatonica Rivers. River Forecasts Include Past Precipitation And Forecast Rainfall For The Next 48 Hours. ...flood Warning Now In Effect Until Tuesday Morning... The Flood Warning Continues For The Pecatonica River At Freeport. ...Read More.
Effective: February 21, 2018 at 7:31pmExpires: February 28, 2018 at 3:36pmTarget Area: Stephenson

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Kishwaukee River At Belvidere Affecting Boone County Kishwaukee River Near Perryville Affecting Winnebago County The Flood Warning Continues For The Kishwaukee River At Belvidere. ...Read More.
Effective: February 21, 2018 at 7:25pmExpires: February 22, 2018 at 6:00pmTarget Area: Boone

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Kishwaukee River At Belvidere Affecting Boone County Kishwaukee River Near Perryville Affecting Winnebago County The Flood Warning Continues For The Kishwaukee River Near Perryville. ...Read More.
Effective: February 21, 2018 at 7:25pmExpires: February 23, 2018 at 6:00amTarget Area: Winnebago

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Pecatonica River Near Shirland Affecting Winnebago County The Flood Warning Continues For The Pecatonica River Near Shirland. * Until Further Notice. ...Read More.
Effective: February 21, 2018 at 7:23pmExpires: February 22, 2018 at 9:23amTarget Area: Winnebago

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Rock River At Rockton Affecting Winnebago County Rock River At Latham Park Affecting Winnebago County Rock River At Byron Affecting Ogle County ...the Flood Warning Continues For The Following Rivers In ...Read More.
Effective: February 21, 2018 at 7:20pmExpires: February 23, 2018 at 12:00pmTarget Area: Lee

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Rock River At Rockton Affecting Winnebago County Rock River At Latham Park Affecting Winnebago County Rock River At Byron Affecting Ogle County ...the Flood Warning Continues For The Following Rivers In ...Read More.
Effective: February 21, 2018 at 7:20pmExpires: February 23, 2018 at 10:30pmTarget Area: Ogle

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Rock River At Rockton Affecting Winnebago County Rock River At Latham Park Affecting Winnebago County Rock River At Byron Affecting Ogle County ...the Flood Warning Continues For The Following Rivers In ...Read More.
Effective: February 21, 2018 at 7:20pmExpires: February 26, 2018 at 3:00amTarget Area: Winnebago

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Rock River At Rockton Affecting Winnebago County Rock River At Latham Park Affecting Winnebago County Rock River At Byron Affecting Ogle County ...the Flood Warning Continues For The Following Rivers In ...Read More.
Effective: February 21, 2018 at 7:20pmExpires: February 26, 2018 at 12:00pmTarget Area: Winnebago

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Thorn Creek At Thornton Affecting Cook County The Flood Warning Continues For The Thorn Creek At Thornton. * Until Friday Morning. ...Read More.
Effective: February 21, 2018 at 6:44pmExpires: February 23, 2018 at 6:00amTarget Area: Cook

Flood Warning
...the Flood Warning Continues For The Following Rivers In Indiana... Illinois... Little Calumet River At Munster Affecting Lake County Little Calumet River At South Holland Affecting Cook County The Flood Warning Continues For The Little Calumet River At South Holland. ...Read More.
Effective: February 21, 2018 at 6:43pmExpires: February 23, 2018 at 11:00amTarget Area: Cook

Flood Warning
...the Flood Warning Continues For The Following Rivers In Wisconsin. Rock River At Afton Affecting Rock County East Branch Pecatonica River Near Blanchardville Affecting Lafayette County Fox River Near New Munster Affecting Lake And Kenosha Counties ...Read More.
Effective: February 21, 2018 at 4:39pmExpires: February 27, 2018 at 9:00pmTarget Area: Lake

Flood Warning
The National Weather Service In Lincoln Has Issued A * Flood Warning For... Vermilion County In East Central Illinois... * Until 100 Am Cst Thursday * At 105 Pm Cst, Emergency Management Reported Flooding Across Rural Vermilion County...particularly North Of An Allerton To Georgetown ...Read More.
Effective: February 21, 2018 at 7:57pmExpires: February 23, 2018 at 2:00pmTarget Area: Vermilion

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Illinois River At Morris Affecting Grundy County Illinois River At Ottawa Affecting La Salle County Illinois River At La Salle Affecting Bureau...la Salle And Putnam Counties ...Read More.
Effective: February 21, 2018 at 12:02pmExpires: February 22, 2018 at 2:01amTarget Area: Bureau; La Salle; Putnam

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Illinois River At Morris Affecting Grundy County Illinois River At Ottawa Affecting La Salle County Illinois River At La Salle Affecting Bureau...la Salle And Putnam Counties ...Read More.
Effective: February 21, 2018 at 12:02pmExpires: February 22, 2018 at 2:01amTarget Area: La Salle

Flood Warning
...the Flood Warning Continues For The Following Rivers In Illinois... Illinois River At Morris Affecting Grundy County Illinois River At Ottawa Affecting La Salle County Illinois River At La Salle Affecting Bureau...la Salle And Putnam Counties ...Read More.
Effective: February 21, 2018 at 12:02pmExpires: February 26, 2018 at 11:00amTarget Area: Grundy

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Download the Plow Snow Glossary of Terms

Anti-Icing

Anti-icing is the application of chemicals and/or rock salt not only for de-icing, but also to remain on a surface and continue to delay the reformation of ice for a certain period of time, or prevent adhesion of ice to make mechanical removal easier.

Blizzard

A blizzard means that the following conditions are expected to prevail for a period of 3 hours or longer (one of both of listed conditions):

  • Sustained wind or frequent gusts to 35 miles an hour or greater
  • Considerable falling and/or blowing snow (i.e., reducing visibility frequently to less than a ¼ mile)

Blizzard Warning

Issued for winter storms with sustained or frequent winds of 35 mph or higher with considerable falling and/or blowing snow that frequently reduces visibility to 1/4 of a mile or less. These conditions are expected to prevail for a minimum of 3 hours.

Blowing Snow

Blowing snow is wind-driven snow that reduces surface visibility. Blowing snow can be falling snow or snow that has already accumulated but is picked up and blown by strong winds. Blowing snow is usually accompanied by drifting snow.

Blowing Snow Advisory

Issued when wind driven snow reduces surface visibility, possibly hampering traveling. Blowing snow may be falling snow, or snow that has already accumulated but is picked up and blown by strong winds.

Blustery

Same as Breezy; 15 to 25 mph winds.

Box Plow

A Box Plow is similar to a standard plow (see plow definition) but has sides on either side of the flat or curved piece of metal that boxes in snow while plowing.

Breezy

15 to 25 mph winds

Brooming

Mechanically sweeping snow and ice from an area using a large vehicle attachment.

Clear Ice

A thin coating of ice on terrestrial objects, caused by rain that freezes on impact. The ice is relatively transparent, as opposed to rime ice, because of large drop size, rapid accretion of liquid water, or slow dissipation of latent heat of fusion.

Commercial Properties

Any property having to do with business, i.e. office, industrial, manufacturing, medical, etc.

Deicer

Liquid or granular products that remove ice from roads, walkways and sidewalks when applied.

Density of Snow

In hydrologic terms, the ratio, expressed as a percentage, of the volume which a given quantity of snow would occupy if it were reduced to water, to the volume of the snow. When a snow sampler is used, it is the ratio expressed as percentage of the scale reading on the sampler to the length of the snow core or sample.

Diamond Dust

A fall of non-branched (snow crystals are branched) ice crystals in the form of needles, columns, or plates.

Drifting Snow

Drifting snow is an uneven distribution of snowfall/snow depth caused by strong surface winds. Drifting snow may occur during or after a snowfall. Drifting snow is usually associated with blowing snow.

Duration of Ice Cover

In hydrologic terms, the time from freeze-up to break-up of an ice cover.

Flurries

Snow flurries are an intermittent light snowfall of short duration (generally light snow showers) with no measurable accumulation.

Freeze

A freeze is when the surface air temperature is expected to be 32°F or below over a widespread area for a climatologically significant period of time. Use of the term is usually restricted to situations or to occasions when wind or other conditions prevent frost.

Freeze Warning

Issued during the growing season when surface temperatures are expected to drop below freezing over a large area for an extended period of time, regardless whether or not frost develops.

Freezing Drizzle

A drizzle that falls as a liquid but freezes into glaze or rime upon contact with the cold ground or surface structures.

Freezing Drizzle Advisory

Issued when freezing rain or freezing drizzle is forecast but a significant accumulation is not expected. However, even small amounts of freezing rain or freezing drizzle may cause significant travel problems.

Freezing Fog

A fog the droplets of which freeze upon contact with exposed objects and form a coating of rime and/or glaze.

Freezing Rain

Rain that falls as a liquid but freezes into glaze upon contact with the ground.

Freezing Rain Advisory

Issued when freezing rain or freezing drizzle is forecast but a significant accumulation is not expected. However, even small amounts of freezing rain or freezing drizzle may cause significant travel problems.

Freezing Spray

An accumulation of freezing water droplets on a vessel caused by some appropriate combination of cold water, wind, cold air temperature, and vessel movement.

Freezing Spray Advisory

An advisory for an accumulation of freezing water droplets at a rate of less than 2 centimeters (cm) per hour caused by some appropriate combination of cold water, wind, cold air temperature, and vessel movement.

Frost

Frost describes the formation of thin ice crystals on the ground or other surfaces in the form of scales, needles, feathers, or fans. Frost develops under conditions similar to dew, except the temperatures of the Earth’s surface and earthbound objects falls below 32°F. As with the term “freeze,” this condition is primarily significant during the growing season. If a frost period is sufficiently severe to end the growing season or delay its beginning, it is commonly referred to as a “killing frost.” Because frost is primarily an event that occurs as the result of radiational cooling, it frequently occurs with a thermometer level temperature in the mid-30s.

Frost Advisory

Issued during the growing season when widespread frost formation is expected over an extensive area. Surface temperatures are usually in the mid 30s Fahrenheit.

Frostbite

Human tissue damage caused by exposure to intense cold.

Frozen Dew

When liquid dew changes into tiny beads of ice. This occurs when dew forms and temperatures later drop below freezing.

Ground Blizzard Warning

When blizzard conditions are solely caused by blowing and drifting snow.

Hail

Showery precipitation in the form of irregular pellets or balls of ice more than 5 mm in diameter, falling from a cumulonimbus cloud.

Heavy Snow

This generally means…

  • snowfall accumulating to 4″ or more in depth in 12 hours or less; or
  • snowfall accumulating to 6″ or more in depth in 24 hours or less

In forecasts, snowfall amounts are expressed as a range of values, e.g., “8 to 12 inches.” However, in heavy snow situations where there is considerable uncertainty concerning the range of values, more appropriate phrases are used, such as “…up to 12 inches…” or alternatively “…8 inches or more…”.

Heavy Snow Warning

Issued by the National Weather Service when snowfall of 6 inches (15 cm) or more in 12 hours or 8 inches (20 cm) or more in 24 hours is imminent or occurring. These criteria are specific for the Midwest and may vary regionally.

Ice Crystals

A barely visible crystalline form of ice that has the shape of needles, columns or plates. Ice crystals are so small that they seem to be suspended in air. Ice crystals occur at very low temperatures in a stable atmosphere.

Ice Fog

A type of fog, composed of suspended particles of ice; partly ice crystals 20 to 100 micron in diameter, but chiefly (especially when dense) ice particles about 12-20 micron in diameter, formed by direct freezing of supercooled water droplets with little growth directly from the vapor. It occurs at very low temperatures, and usually in clear, calm weather in high latitudes.

Ice Pellets

Same as Sleet; defined as pellets of ice composed of frozen or mostly frozen raindrops or refrozen partially melted snowflakes. These pellets of ice usually bounce after hitting the ground or other hard surfaces. A Winter Storm Warning is issued for sleet or a combination of sleet and snow based on total accumulation which is locally defined by area.

Ice Storm

An ice storm is used to describe occasions when damaging accumulations of ice are expected during freezing rain situations. Significant accumulations of ice pull down trees and utility lines resulting in loss of power and communication. These accumulations of ice make walking and driving extremely dangerous. Significant ice accumulations are usually accumulations of ¼” or greater.

Ice Storm Warning

This product is issued by the National Weather Service when freezing rain produces a significant and possibly damaging accumulation of ice. The criteria for this warning varies from state to state, but typically will be issued any time more than 1/4″ of ice is expected to accumulate in an area.

Icing

A coating of ice on a solid object.

Lake Effect Snow

Snow showers that are created when cold, dry air passes over a large warmer lake, such as one of the Great Lakes, and picks up moisture and heat.

Lake Effect Snow Advisory

This product is issued by the National Weather Service when pure lake effect snow (this is where the snow is a direct result of lake effect snow and not because of a low pressure system) may pose a hazard or it is life threatening. The criteria for this advisory varies from area to area.

Lake Effect Snow Squall

A local, intense, narrow band of moderate to heavy snow squall that can extend long distances inland. It may persist for many hours. It may also be accompanied by strong, gusty, surface winds and possibly lightning. Accumulations can be 6 inches or more in 12 hours.

Lake Effect Snow Warning

This product is issued by the National Weather Service when pure lake effect snow (this is where the snow is a direct result of lake effect snow and not because of a synoptic storm or low pressure system) may pose a hazard or it is life threatening.

Lake Effect Storm

A fall or winter storm that produces heavy but localized precipitation as a result of temperature differences between the air over snow-covered ground and the air over the open waters of a lake.

Liquid Deicer Trucks

Specially designed tankers or straight trucks that spray liquid deicer on roadways and parking areas.

Mixed Precipitation

Any of the following combinations of freezing and frozen precipitation: snow and sleet, snow and freezing rain, or sleet alone. Rain may also be present.

Mostly Clear

When the 1/8th to 2/8ths of the sky is covered by with opaque (not transparent) clouds. Sometimes referred to as Mostly Sunny if this condition is present during daylight hours.

Mostly Cloudy

When the 6/8th to 7/8ths of the sky is covered by with opaque (not transparent) clouds. Same as Considerable Cloudiness.

Mostly Sunny

When the 1/8th to 2/8ths of the sky is covered by with opaque (not transparent) clouds Same as Mostly Clear, except only applicable during daylight hours.

Parking Deck

A multilevel structure designed for parking cars or other vehicles. The floors inside are connected by ramps, or may be sloped themselves forming a continuous interconnection between levels.

Plow

A flat or curved piece of metal that is attached to the front of a vehicle and used for clearing snow from a road, driveway, etc.

Plow Truck

a truck that has a snowplow attached

Powder Snow

Dry, loose, unconsolidated snow.

Power Broom

Large attachment for a Skid Steer that helps to remove snow utilizing rotating stiff metal bristles.

Road Grader

A large construction machine with a long blade used to clear snow and ice from large areas quickly.

Rock Salt

Salt that is in the form of large pieces or crystals – used to melt snow and keep roadways clear in the winter

Salt Truck

A specially designed truck with a large load capacity that spreads rock salt on the roads and parking areas in the winter time.

Semi-Trailer Truck

This is a combination of a truck with a semi-trailer designed to carry freight.

Skid Steer

A Skid Steer is a small, rigid-frame, engine-powered machine with lift arms used to attach a wide variety of labor-saving tools or attachments.

Snow

Precipitation in the form of ice crystals, mainly of intricately branched, hexagonal form and often agglomerated into snowflakes, formed directly from the freezing [deposition] of the water vapor in the air.

Snow Advisory

This product is issued by the National Weather Service when a low pressure system produces snow that may cause significant inconveniences, but do not meet warning criteria and if caution is not exercised could lead to life threatening situations. The advisory criteria varies from area to area. If the forecaster feels that it is warranted, he or she can issued it for amounts less than the minimum criteria. For example, it may be issued for the first snow of the season or when snow has not fallen in long while.

Snow Density

The mass of snow per unit volume which is equal to the water content of the snow divided by its depth.

Snow Depth

The combined total depth of both the old and new snow on the ground.

Snow Flurries

Snow flurries are an intermittent light snowfall of short duration (generally light snow showers) with no measurable accumulation (trace category).

Snow Grains

Precipitation consisting of white, opaque ice particles usually less than 1 mm in diameter.

Snow Pack

Same as Snowcover; the combined layers of snow and ice on the ground at any one time.

Snow Pellets

Precipitation, usually of brief duration, consisting of crisp, white, opaque ice particles, round or conical in shape and about 2 to 5 mm in diameter. Same as small hail.

Snow Shower

A snow shower is a short duration of moderate snowfall. Some accumulation is possible.

Snow Squall

A snow squall is an intense, but limited duration, period of moderate to heavy snowfall, accompanied by strong, gusty surface winds and possibly lightning (generally moderate to heavy snow showers). Snow accumulation may be significant.

Snowcover

Also known as Snow Pack; the combined layers of snow and ice on the ground at any one time.

Snowflake

An agglomeration of snow crystals falling as a unit.

Squall

A strong wind characterized by a sudden onset in which the wind speed increases at least 16 knots and is sustained at 22 knots or more for at least one minute. 2. In nautical use, a severe local storm considered as a whole, that is, winds and cloud mass and (if any) precipitation, thunder and lightning.

Wheel Loader

The Wheel Loader is heavy equipment for pushing, lifting and loading massive quantities of snow from large areas utilizing a bucket or a large box plow.

Wind Chill

Reference to the Wind Chill Factor; increased wind speeds accelerate heat loss from exposed skin, and the wind chill is a measure of this effect. No specific rules exist for determining when wind chill becomes dangerous. As a general rule, the threshold for potentially dangerous wind chill conditions is about -20°F.

Wind Chill Advisory

The National Weather Service issues this product when the wind chill could be life threatening if action is not taken. The criteria for this warning varies from state to state.

Wind Chill Factor

Increased wind speeds accelerate heat loss from exposed skin. No specific rules exist for determining when wind chill becomes dangerous. As a general rule, the threshold for potentially dangerous wind chill conditions is about -20°F.

Wind Chill Warning

The National Weather Service issues this product when the wind chill is life threatening. The criteria for this warning varies from state to state.

Winter Storm Warning

This product is issued by the National Weather Service when a winter storm is producing or is forecast to produce heavy snow or significant ice accumulations. The criteria for this warning can vary from place to place.

Winter Storm Watch

This product is issued by the National Weather Service when there is a potential for heavy snow or significant ice accumulations, usually at least 24 to 36 hours in advance. The criteria for this watch can vary from place to place.

Winter Weather Advisory

This product is issued by the National Weather Service when a low pressure system produces a combination of winter weather (snow, freezing rain, sleet, etc.) that present a hazard, but does not meet warning criteria.

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