Active Weather Alerts
Flood Watch
Issued: 6:33 AM Sep. 20, 2026 – National Weather Service
...FLOOD WATCH NOW IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * 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, McHenry, Northern Cook, Northern Will, Ogle, Southern Cook, Southern Will and Winnebago and northwest Indiana, including the following areas, Lake IN and Porter. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded. Basement flooding may occur. * ADDITIONAL DETAILS... - Periods of showers and thunderstorms are expected through midday. Swaths of torrential rain with 2 inch per hour rainfall rates, or higher are likely to occur within the watch area and may result in areas of flash flooding and cause rapid rises on area rivers, creeks, and streams. - 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. &&
River Flood Watch
Issued: 5:27 PM Sep. 19, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM LATE TONIGHT TO TUESDAY EVENING... * WHAT...Flooding is possible. * WHERE...Sugar River at Brodhead. * WHEN...From late tonight to Tuesday evening. * ADDITIONAL DETAILS... - At 12:00 PM CDT Saturday the stage was 1.7 feet. - Forecast...Flood stage may be reached late tonight. - Flood stage is 5.0 feet. - http://www.weather.gov/safety/flood &&
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