Headline:
Flood Warning issued April 29 at 11:54AM CDT until May 4 at 4:00AM CDT by NWS St Louis MO
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 29, 2026 - 9:54am
Expires:
April 30, 2026 - 10:00pm
Description:
...The Flood Warning is extended for the following rivers in
Illinois...Missouri...
Mississippi River at Mel Price LD.
Mississippi River at Alton.
...The Flood Warning continues for the following rivers in
Illinois...Missouri...
Mississippi River at Chester.
Mississippi River near Herculaneum.
Mississippi River at St. Louis.
Mississippi River at Grafton.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
* WHAT...Minor flooding is forecast.
* WHERE...Mississippi River near Herculaneum.
* WHEN...From this evening to late Sunday night.
* IMPACTS...At 28.3 feet, Near this height, the walking trail
(extension of Station Road) at Bates Memorial Park begins flooding.
* ADDITIONAL DETAILS...
- At 11:00 AM CDT Wednesday the stage was 24.8 feet.
- Forecast...The river is expected to rise above flood stage late
this evening to a crest of 27.8 feet early Friday morning. It
will then fall below flood stage late Saturday evening.
- Flood stage is 26.0 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:
Monroe, IL; Jefferson, MO
Forcast Office:
NWS St Louis MO
Sender:
w-nws.webmaster@noaa.gov