Active Weather Alerts
Flood Watch
Issued: 1:44 AM Apr. 16, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 1 AM CDT THURSDAY... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Boone, Central Cook, De Kalb, DuPage, Eastern Will, Grundy, Kane, Kankakee, Kendall, La Salle, Lake IL, Lee, Livingston, McHenry, Northern Cook, Northern Will, Ogle, Southern Cook, Southern Will and Winnebago and northwest Indiana, including the following areas, Jasper, Lake IN, Newton and Porter. * WHEN...Until 1 AM CDT Thursday. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - Additional rounds of showers and thunderstorms are expected through this evening. Elevated soil moisture due to recent rainfall is expected to increase the susceptibility to flash flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop. &&
Severe Thunderstorm Watch
Issued: 12:56 AM Apr. 16, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 125 IN EFFECT UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 12 COUNTIES IN NORTH CENTRAL ILLINOIS BOONE DE KALB LA SALLE LEE OGLE WINNEBAGO IN NORTHEAST ILLINOIS COOK DUPAGE KANE KENDALL LAKE IL MCHENRY THIS INCLUDES THE CITIES OF ALGONQUIN, AURORA, BELVIDERE, BUFFALO GROVE, BYRON, CAROL STREAM, CHICAGO, CRYSTAL LAKE, DEKALB, DIXON, DOWNERS GROVE, ELGIN, EVANSTON, GURNEE, LA SALLE, LEMONT, LOMBARD, MARSEILLES, MCHENRY, MENDOTA, MUNDELEIN, NAPERVILLE, OAK LAWN, OREGON, ORLAND PARK, OSWEGO, OTTAWA, PARK FOREST, PLANO, ROCHELLE, ROCKFORD, SCHAUMBURG, STREATOR, SYCAMORE, WAUKEGAN, WHEATON, WOODSTOCK, AND YORKVILLE.
Severe Thunderstorm Watch
Issued: 12:56 AM Apr. 16, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 125 IN EFFECT UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS WINTHROP HARBOR TO WILMETTE HARBOR IL WILMETTE HARBOR TO NORTHERLY ISLAND IL NORTHERLY ISLAND TO CALUMET HARBOR IL
River Flood Warning
Issued: 3:32 PM Apr. 15, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM THIS MORNING UNTIL FURTHER NOTICE... ...REPLACES RIVER FLOOD WATCH... * WHAT...Moderate flooding is forecast. * WHERE...Des Plaines River from Palatine Road in Prospect Heights downstream to Irving Park Road in Chicago, including the Des Plaines gauge. * WHEN...From this morning until further notice. * IMPACTS...At 18.5 feet, Big Bend Road threatened in Des Plaines. * ADDITIONAL DETAILS... - At 9:45 AM CDT Wednesday the stage was 14.9 feet. - Forecast...The river is expected to rise above flood stage late this morning and approach moderate flood stage tomorrow. - Flood stage is 15.0 feet. - Flood History...This crest compares to a previous crest of 19.0 feet on 07/04/1938. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 3:32 PM Apr. 15, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM THIS EVENING UNTIL FURTHER NOTICE... ...REPLACES RIVER FLOOD WATCH... * WHAT...Moderate flooding is forecast. * WHERE...Des Plaines River from Townline Road in Libertyville downstream to Palatine Road in Prospect Heights, including the Lincolnshire gauge. * WHEN...From this evening until further notice. * IMPACTS...At 15.0 feet, Structures threatened along IL-22 (Half-Day Road) just east of the river. Multiple structures threatened near and west of US-45 (Milwaukee Avenue) and Deerfield Road. Deerfield Road threatened near the river. Multiple trails inundated in Half-Day Forest Preserve. * ADDITIONAL DETAILS... - At 9:45 AM CDT Wednesday the stage was 11.5 feet. - Forecast...The river is expected to rise above flood stage this evening and approach flood stage tomorrow morning. - Flood stage is 12.5 feet. - Flood History...This crest compares to a previous crest of 15.1 feet on 09/14/2019. - http://www.weather.gov/safety/flood &&
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