Active Weather Alerts
Flood Watch
Issued: 3:17 PM Sep. 20, 2026 – National Weather Service
...FLOOD WATCH REMAINS 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, Central Cook, De Kalb, DuPage, Eastern Will, Grundy, Kane, Kankakee, Kendall, La Salle, Lee, Northern Cook, Northern Will, Ogle, Southern Cook and Southern Will 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. * ADDITIONAL DETAILS... - The threat for widespread heavy rainfall is ending. However, continued moderate to isolated heavy rainfall may lead to a continued localized flood threat. - 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: 2:28 PM Sep. 20, 2026 – National Weather Service
...FLOOD WATCH NOW IN EFFECT FROM LATE THIS AFTERNOON TO MONDAY EVENING... * WHAT...Flooding is possible. * WHERE...Du Page River from IL-59 in Plainfield downstream to confluence with Des Plaines River, including the Shorewood gauge. * WHEN...From late this afternoon to Monday evening. * IMPACTS...At 16.0 feet, Clark Drive threatened in Shorewood. * ADDITIONAL DETAILS... - At 8:45 AM CDT Sunday the stage was 13.8 feet. - Forecast...Flood stage may be reached based on the latest forecast information. - Flood stage is 15.5 feet. - http://www.weather.gov/safety/flood &&
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