Illinois Flood Warning | Effective 04/30/2026 09:43

Headline: 
Flood Warning issued April 30 at 11:43AM CDT until May 2 at 5:26PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 30, 2026 - 9:43am
Expires: 
May 1, 2026 - 9:45pm
Description: 
...The Flood Warning continues for the following rivers in Illinois... Kaskaskia River at Vandalia. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Kaskaskia River at Vandalia. * WHEN...Until Saturday afternoon. * ADDITIONAL DETAILS... - At 11:30 AM CDT Thursday the stage was 24.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:30 AM CDT Thursday was 26.1 feet. - Forecast...The river is expected to fall below flood stage late tomorrow morning and continue falling to 9.1 feet Thursday, May 07. - Flood stage is 18.0 feet. - Flood History...This crest compares to a previous crest of 24.6 feet on 03/28/1948.
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Area Description: 
Fayette, IL
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov