Severe Thunderstorm Warning Issued for Clinton, Marion, and Washington Counties in Illinois
This alert is no longer in effect.
NOAA issued it on May 6, 2026, 3 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 northeastern Clinton, Marion, and northeastern Washington counties in south central Illinois until 8:00 AM CDT, with risks of large hail and strong winds.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- South Central Illinois
- Issued
- May 6, 2026
- Issuing authority
- NWS St Louis MO
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 3 months ago; use the issuing agency's live warning service for current conditions in South Central Illinois.
Severe Thunderstorm Warning
Alert Details
A Severe Thunderstorm Warning has been issued by the National Weather Service in St Louis, MO. It is effective from 7:03 AM CDT until 8:00 AM CDT on April 27, 2026.
Affected Areas
The warning affects northeastern Clinton County, Marion County, and northeastern Washington County in south central Illinois. Specific locations impacted include Boulder, Shattuc, Wamac, Centralia, Central City, Junction City, Sandoval, Fairman, Walnut Hill, Odin, Selmaville, Tonti, Salem, Kell, Alma, Iuka, Omega, Stephen Forbes Station, and Helm.
What You Should Do
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.
Expected Conditions
Hazards include ping pong ball size hail measuring 1.50 inches and wind gusts up to 60 mph.
Timeline
The alert is effective from 7:03 AM CDT on April 27, 2026, and ends at 8:00 AM CDT on the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (970 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 6, 2026.
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