Active Weather Alerts
Severe Thunderstorm Watch
Issued: 3:53 PM Aug. 11, 2026 – National Weather Service
IL . ILLINOIS COUNTIES INCLUDED ARE BOONE BUREAU CARROLL CHAMPAIGN COOK DE KALB DUPAGE FORD GRUNDY HENDERSON HENRY IROQUOIS JO DAVIESS KANE KANKAKEE KENDALL KNOX LAKE LA SALLE LEE LIVINGSTON MCHENRY MCLEAN MARSHALL MERCER OGLE PEORIA PUTNAM ROCK ISLAND STARK STEPHENSON TAZEWELL VERMILION WARREN WHITESIDE WILL WINNEBAGO WOODFORD
Flood Advisory
Issued: 2:32 PM Aug. 11, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 130 PM CDT THIS AFTERNOON... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Boone County in north central Illinois... De Kalb County in north central Illinois... Northern La Salle County in north central Illinois... Lee County in north central Illinois... Ogle County in north central Illinois... Southern Winnebago County in north central Illinois... * WHEN...Until 130 PM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 931 AM CDT, Doppler radar and automated rain gauges indicated a line of intense thunderstorms with rainfall rates of 2 to 3 inches per hour moving through the area. Localized flooding of roadways and poor drainage areas will occur shortly after the onset of rainfall. - Some locations that will experience flooding include... Rockford, DeKalb, Belvidere, Loves Park, Machesney Park, Ottawa, Sycamore, Dixon, Rochelle, Sandwich, Mendota, Poplar Grove, Genoa, Byron, Oregon, Mount Morris, Amboy, Polo and Sheridan. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. &&
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