Illinois Severe Flood Watch | Effective 09/16/2026 10:39

Headline: 
Flood Watch issued September 16 at 12:39PM CDT until September 17 at 10:00AM CDT by NWS Lincoln IL
Event: 
Flood Watch
Urgency: 
Future
Effective: 
September 16, 2026 - 10:39am
Expires: 
September 16, 2026 - 8:00pm
Description: 
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Knox, Marshall and Stark Counties. * WHEN...From 10 PM CDT this evening through Thursday morning. * IMPACTS...Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS... - Heavy rain of 1 to 4 inches fell over portions of this area Tuesday night. While the heaviest rain tonight is more favored to fall near the I-80 corridor, an additional 1 to 3 inches may occur over Knox, Stark and Marshall Counties. This may lead to localized flooding, especially if it falls over the same areas as Tuesday night.
Instruction: 
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Area Description: 
Knox; Stark; Marshall
Forcast Office: 
NWS Lincoln IL
Sender: 
w-nws.webmaster@noaa.gov