Illinois, Missouri Severe Flood Watch | Effective 08/06/2026 00:44

Headline: 
Flood Watch issued August 6 at 2:44AM CDT until August 6 at 1:00PM CDT by NWS St Louis MO
Event: 
Flood Watch
Urgency: 
Future
Effective: 
August 6, 2026 - 12:44am
Expires: 
August 6, 2026 - 11:00am
Description: 
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Calhoun IL, Greene IL, Jersey IL, Madison IL, Monroe IL, Pike IL and Saint Clair IL and Missouri, including the following areas, Franklin MO, Jefferson MO, Lincoln MO, Pike MO, Saint Charles MO, Saint Louis City MO, Saint Louis MO, Warren MO and Washington MO. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Widespread showers and thunderstorms may yield isolated instances of flash flooding through early this afternoon.
Instruction: 
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Area Description: 
Greene; Pike; Calhoun; Jersey; Madison; St. Clair; Monroe; Pike; Lincoln; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Washington
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov