Illinois, Missouri Flood Warning - Severe | Effective 06/15/2026 11:02

Headline: 
Flood Warning issued June 15 at 1:02PM CDT until June 21 at 6:00AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 15, 2026 - 11:02am
Expires: 
June 16, 2026 - 11:15pm
Description: 
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Chester. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Chester. * WHEN...Until Sunday morning. * IMPACTS...At 28.0 feet, Unleveed islands near Chester and the prison farm floods. * ADDITIONAL DETAILS... - At 12:30 PM CDT Monday the stage was 27.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:30 PM CDT Monday was 27.2 feet. - Forecast...The river is expected to rise to a crest of 29.0 feet early Thursday afternoon. It will then fall below flood stage early Saturday morning. - Flood stage is 27.0 feet.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Area Description: 
Jackson, IL; Randolph, IL; Perry, MO; Ste. Genevieve, MO
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov