Headline:
Flood Warning issued April 27 at 10:41PM CDT until May 2 at 1:00PM CDT by NWS St Louis MO
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 27, 2026 - 8:41pm
Expires:
April 29, 2026 - 8:45am
Description:
...The Flood Warning is extended for the following rivers in
Illinois...Missouri...
Illinois River at Valley City.
Mississippi River at Grafton.
Mississippi River at Saverton.
Mississippi River at Chester.
Meramec River near Arnold.
...The Flood Warning continues for the following rivers in
Illinois...Missouri...
Mississippi River at Canton.
Mississippi River at Clarksville.
Mississippi River at Louisiana.
Kaskaskia River at Vandalia.
Missouri River near Chamois.
Missouri River at Hermann.
Mississippi River at Lock & Dam 21.
Illinois River at Hardin.
Mississippi River at Winfield.
Mississippi River at Hannibal.
Mississippi River at Quincy.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
* WHAT...Major flooding is forecast.
* WHERE...Kaskaskia River at Vandalia.
* WHEN...Until Saturday afternoon.
* IMPACTS...At 26.0 feet, The Dively and Vandalia Levees begin to be
overtopped.
* ADDITIONAL DETAILS...
- At 10:00 PM CDT Monday the stage was 16.6 feet.
- Forecast...The river is expected to rise above flood stage just
after midnight tonight to a crest of 26.0 feet early Wednesday
afternoon. It will then fall below flood stage Friday morning.
- Flood stage is 18.0 feet.
- Flood History...This crest compares to a previous crest of 26.0
feet on 04/21/1970.
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive cars
through flooded areas.
Rainfall heavier than forecast could cause river levels to rise even
higher than predicted. The National Weather Service will monitor this
developing situation and issue follow up statements as conditions
change.
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