Severe · Flood WarningActive alert
Flood Warning issued October 1 at 1:14PM CDT until October 1 at
Affecting Henry, IL; Mercer, IL; Rock Island, IL; Whiteside, IL
In effect until: Oct 2, 2026, 12:15 AM
Henry, IL; Mercer, IL; Rock Island, IL; Whiteside, IL
Likely impact across 4 counties in IL; effects through 12:15 AM.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Read the original bulletin (official text)
* WHAT...Urban areas and small streams flooding caused by excessive rainfall is expected. * WHERE...Northwestern Henry IL County in northwestern Illinois... Mercer County in northwestern Illinois... Rock Island County in northwestern Illinois... Whiteside County in northwestern Illinois... * WHEN...Until 715 PM CDT Thursday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable. Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS... - At 114 PM CDT, Doppler radar indicated heavy rain. Flooding is ongoing or expected to begin shortly in the warned area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™