Severe · Flood WatchActive alert
Flood Watch issued October 1 at 9:33AM CDT until October 1 at
Affecting Lake; Lee; De Kalb; Kane; DuPage; La Salle; Kendall; Grundy; Northern Cook; Central Cook; Southern Cook; Northern Will; Southern Will; Eastern Will; Lake
In effect until: Oct 1, 2026, 10:45 PM
Lake; Lee; De Kalb; Kane; DuPage; La Salle; Kendall; Grundy; Northern Cook; Central Cook; Southern Cook; Northern Will; Southern Will; Eastern Will; Lake
Possible impact zone; conditions develop through 10:45 PM.
A Flood Watch means flooding is possible, but not yet certain, based upon the latest forecasts. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop.
Read the original bulletin (official text)
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following counties in Illinois, Cook, De Kalb, DuPage, Will, Grundy, Kane, Kendall, La Salle, Lake, and Lee, as well as Lake County in Indiana. * WHEN...Through this evening. * IMPACTS...Creeks and streams may rise out of their banks. Flooding of low lying and flood prone area. * ADDITIONAL DETAILS... - Rain, heavy at times, is expected this afternoon into early this evening. Rainfall totals of 2 inches or more in just a few hours could occur within the more intense rainfall corridors. This heavy rain, falling on already saturated soils, would likely result in flooding, particularly in low lying and flood prone areas. - http://www.weather.gov/safety/flood
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™