Severe · Flood WatchThis alert has expired. It is kept for reference.
Flood Watch issued September 20 at 10:17AM CDT until September 20 at
Affecting Ogle; Lee; De Kalb; Kane; DuPage; La Salle; Kendall; Grundy; Kankakee; Northern Cook; Central Cook; Southern Cook; Northern Will; Southern Will; Eastern Will; Lake; Porter
In effect until: Sep 20, 2026, 6:00 PM
Ogle; Lee; De Kalb; Kane; DuPage; La Salle; Kendall; Grundy; Kankakee; Northern Cook; Central Cook; Southern Cook; Northern Will; Southern Will; Eastern Will; Lake; Porter
Possible impact zone; conditions develop through 6:00 PM.
Avoid flooded areas. Move to higher ground if water is rising near you.
Read the original bulletin (official text)
* 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
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™