Watches, Warnings & Advisories



One product issued by NWS for: Champ MO

Flood Warning

Flood Statement
National Weather Service St Louis MO
103 PM CDT Mon Apr 20 2026

...The Flood Warning is extended for the following rivers in
Missouri...

  Meramec River near Arnold.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

MOC099-189-220615-
/O.EXT.KLSX.FL.W.0035.260421T0224Z-260424T1800Z/
/ARNM7.1.ER.260421T0224Z.260422T0000Z.260423T1200Z.NO/
103 PM CDT Mon Apr 20 2026

...FLOOD WARNING NOW IN EFFECT FROM THIS EVENING TO FRIDAY
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Meramec River near Arnold.

* WHEN...From this evening to Friday afternoon.

* IMPACTS...At 25.1 feet, St. Louis County closes the following roads
  at this height:  Butler Hill west of Summerhedge Place, Meramec
  Bottom Road between Hagemann Road and Highway 21, Hawkins Road
  south of Meramec Bottom Road, and Old Telegraph Road at Earl Widman
  County Park.

* ADDITIONAL DETAILS...
  - At 12:30 PM CDT Monday the stage was 23.3 feet.
  - Forecast...The river is expected to rise above flood stage late
    this evening to a crest of 25.3 feet tomorrow evening. It will
    then fall below flood stage Thursday morning.
  - Flood stage is 24.0 feet.



&&


All Times CDT Fld   Observed  Forecasts (7:00 am)
Location      Stg     Stage   Tue   Wed   Thu   Fri   Sat

Meramec River
 Arnold       24.0    23.3    24.8  25.3  24.0  22.8  21.5



&&

LAT...LON 3847 9044 3847 9032 3840 9033 3837 9036
      3841 9036 3842 9037 3843 9036 3845 9036
      3845 9041


$$

Fuchs