Severe Thunderstorm Warning Issued for Monroe, Randolph, and St. Clair Counties in Illinois
This alert is no longer in effect.
NOAA issued it on April 3, 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.
The National Weather Service has issued a Severe Thunderstorm Warning for southwestern Illinois until 6:15 PM CDT, with 60 mph wind gusts expected.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Southwestern Illinois
- Issued
- April 3, 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.
Alert Details
The National Weather Service in St Louis has issued a Severe Thunderstorm Warning for southern Monroe County, Randolph County, and southeastern Saint Clair County in southwestern Illinois. This alert is effective until 6:15 PM CDT on March 15, 2026.
Affected Areas
The warning impacts several communities in southwestern Illinois, including:
- Prairie Du Rocher
- Chester
- Evansville
- Red Bud
- Steeleville
- New Athens
- Marissa
- Sparta
- Coulterville
- Additional locations include Prairie, Preston, Bremen, Baldwin, Blair, Lenzburg, Eden, Tilden, and St. Libory.
What You Should Do
Residents in the warning area should seek shelter inside a well-built structure and stay away from windows immediately. This storm is capable of producing damaging winds. Because tornadoes can develop quickly from severe thunderstorms, the NWS advises seeking shelter in an interior room on the lowest floor of a well-built structure. A Tornado Watch also remains in effect for a portion of southwest Illinois until 8:00 PM CDT.
Expected Conditions
At 5:28 PM CDT, a severe thunderstorm was located 5 miles northeast of Bloomsdale, or 10 miles northwest of Ste. Genevieve, moving northeast at 50 mph. The primary hazard identified is 60 mph wind gusts, which were radar-indicated. Residents should expect damage to roofs, siding, and trees.
Timeline
The warning was issued at 5:28 PM CDT and is scheduled to expire at 6:15 PM CDT. The broader Tornado Watch for the region is currently set to expire at 8:00 PM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Frequently Asked Questions
Common questions about this NWS weather alert.