NWS St Louis MOFL.W 0113September 20, 2026
Flood Warning: Pike and Marion, IL and MO
The National Weather Service office in St Louis issued a flood warning for Pike and Marion in Illinois, Missouri, which was in force until 1:00 p.m. local time on September 27. It was the 113th river flood warning the NWS office in St Louis issued in 2026. Illinois had 20 flood warnings in September 2026, against 17 in an average September of 2008-2025 (Illinois's flood warnings by year).
ExpiredWarning
In force for 4 days; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, St Louis MO
- Area
- Pike and Marion
- State
- Illinois
- Level
- Warning
- Issued
- 11:48 a.m. CDT, September 20, 2026
- In force from
- 9:24 p.m. CDT, September 23, 2026
- Expires
- 1:00 p.m. CDT, September 27, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KLSX FL.W 0113
- Official source
- National Weather Service: the notice at its source
Flood Warnings in Illinois since 2008Every warning type in Illinois
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Missouri...Illinois... Mississippi River at Canton. Mississippi River at Clarksville. Mississippi River at Saverton. Mississippi River at LaGrange. Mississippi River at Hannibal. Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...From Wednesday evening to Sunday afternoon. * IMPACTS...At 18.0 feet, The northern end of Southside Recreation #2 Park along Bear Creek begins flooding at this height. Gate wells are shut down to prevent the sewers from backing up. Also at this level pumps are set to standby. * ADDITIONAL DETAILS... - At 11:15 AM CDT Sunday the stage was 11.6 feet. - Forecast...The river is expected to rise above flood stage late Wednesday evening to a crest of 18.2 feet early Friday morning. It will then fall below flood stage Saturday morning. - Flood stage is 17.0 feet.
What the agency told people to do
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
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.