Severe Thunderstorm Warning for Southern Illinois Counties
This alert is no longer in effect.
NOAA issued it on May 9, 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 Clinton, Monroe, Randolph, St. Clair, and Washington counties in Illinois until 9:00 PM CDT, with hazards including 60 mph wind gusts and quarter-sized hail.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Southern Illinois
- Issued
- May 9, 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 Southern Illinois.
Alert Details
A Severe Thunderstorm Warning has been issued by the National Weather Service (NWS) St Louis MO. This alert is effective from 7:56 PM CDT on April 27, 2026, until 9:00 PM CDT on the same day.
Affected Areas
The warning affects Clinton County, Southern Monroe County, Northern Randolph County, Eastern Saint Clair County, and Washington County in Illinois. Specific locations impacted include Red Bud, New Athens, New Baden, Trenton, Albers, Aviston, Marissa, Germantown, Okawville, Breese, Sparta, Lively Grove, Beckemeyer, Tilden, Carlyle, Coulterville, Nashville, Wamac, and Irvington. This includes portions of Interstate 64 in Illinois between exits 27 and 61.
What You Should Do
Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds and large hail. Tornadoes can develop quickly from severe thunderstorms, so seek shelter immediately in an interior room on the lowest floor of a well-built structure.
Expected Conditions
Hazards include 60 mph wind gusts and quarter size hail (1.00 inch). These conditions are radar indicated and could cause hail damage to vehicles and wind damage to roofs, siding, and trees.
Timeline
The alert is effective from 7:56 PM CDT on April 27, 2026, and expires at 9:00 PM CDT on April 27, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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 (1,333 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 9, 2026.
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