Illinois Severe Flood Warning | Effective 08/15/2026 08:43

Headline: 
Flood Warning issued August 15 at 10:43AM CDT until August 15 at 6:00PM CDT by NWS Lincoln IL
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
August 15, 2026 - 8:43am
Expires: 
August 15, 2026 - 4:00pm
Description: 
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of central Illinois, including the following county, McLean. * WHEN...Until 600 PM CDT Saturday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. Streams continue to rise due to excess runoff from earlier rainfall. Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS... - At 1042 AM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Flooding is already occurring in the warned area. Between 2 and 4 inches of rain have fallen. - Some locations that will experience flooding include... Colfax, Saybrook, Bellflower, Arrowsmith, Cropsey and Anchor. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
McLean, IL
Forcast Office: 
NWS Lincoln IL
Sender: 
w-nws.webmaster@noaa.gov