Severe Thunderstorm Warning Issued for Parts of Southwestern Illinois and Eastern Missouri
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Severe Thunderstorm Warning is in effect until 5:15 AM CDT for several counties in Illinois and Missouri as a storm with 60 mph wind gusts moves through the region.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Southwestern Illinois and Eastern Missouri
- Issued
- April 6, 2026
- Issuing authority
- NWS St Louis
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Southwestern Illinois and Eastern Missouri.
Alert Details
The National Weather Service in St. Louis has issued a Severe Thunderstorm Warning effective until 5:15 AM CDT on March 11, 2026. The warning was issued following radar-indicated severe weather moving through the area.
Affected Areas
The following regions are included in the warning area:
- Southwestern Illinois: Southern Monroe County, Northern Randolph County, and Southeastern Saint Clair County.
- Missouri: Southeastern Jefferson County, Northwestern Sainte Genevieve County, and North Central Saint Francois County.
Specific locations impacted include Bonne Terre, Olympian Village, Bloomsdale, Fults, Maeystown, Prairie Du Rocher, Ames, Ruma, Evansville, Red Bud, Prairie, Hecker, Preston, Baldwin, New Athens, Houston, Marissa, Sparta, and Lenzburg. This warning also covers Interstate 55 in Missouri between exits 154 and 170.
Expected Conditions
As of 4:35 AM CDT, a severe thunderstorm was located 10 miles south of Olympian Village, or 9 miles northeast of Bonne Terre, moving east at 55 mph. The primary hazard identified is wind gusts of up to 60 mph. Residents should expect damage to roofs, siding, and trees.
What You Should Do
Residents in the warning area should seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. Additionally, because tornadoes can develop quickly from severe thunderstorms, the National Weather Service advises seeking shelter immediately in an interior room on the lowest floor of a sturdy building.
Timeline
The alert is effective immediately as of 4:35 AM CDT and is expected to remain in effect until 5:15 AM CDT on March 11, 2026.
Original source: NOAA Official Notice ↗
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