NWS St Louis MOFL.W 0120October 4, 2026
Flood Warning: Calhoun and Pike, IL and MO
The National Weather Service office in St Louis issued a flood warning for Calhoun and Pike in Illinois, Missouri, in force until 7:00 p.m. local time on October 6. It was the 120th river flood warning the NWS office in St Louis issued in 2026. Illinois had 7 flood warnings in October 2026, against 13 in an average October of 2008-2025 (Illinois's flood warnings by year).
Warning
In force for 44.5 hours
The notice
- Issued by
- National Weather Service, St Louis MO
- Area
- Calhoun and Pike
- State
- Illinois
- Level
- Warning
- Issued
- 10:30 p.m. CDT, October 4, 2026
- Expires
- 7:00 p.m. CDT, October 6, 2026
- CAP severity, certainty, urgency
- Severe, Observed, Immediate
- VTEC event
- KLSX FL.W 0120
- 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 Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Louisiana. Mississippi River at Clarksville. River forecasts are based on observed precipitation and forecast precipitation for the next 48 hours. * WHAT...Minor flooding is occurring and forecast. * WHERE...Mississippi River at Clarksville. * WHEN...Until Tuesday evening. * IMPACTS...At 25.3 feet, The road to Port Marmac, a riverside community of about 13 homes just south of Clarksville, begins flooding. * ADDITIONAL DETAILS... - At 10:00 PM CDT Sunday the stage was 25.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 PM CDT Sunday was 25.2 feet. - Forecast...The river is expected to fall below flood stage early tomorrow afternoon and continue falling to 21.3 feet Sunday, October 11. - Flood stage is 25.0 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.