Illinois Severe Thunderstorm Warning | Effective 05/18/2026 05:38

Headline: 
Severe Thunderstorm Warning issued May 18 at 7:38AM CDT until May 18 at 8:00AM CDT by NWS St Louis MO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 18, 2026 - 5:38am
Expires: 
May 18, 2026 - 6:00am
Description: 
At 738 AM CDT, a severe thunderstorm was located near Hardin, or 9 miles east of Elsberry, moving east at 45 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Mozier, Hamburg, Michael, Hardin, Kampsville, Eldred and Woody.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure.
Area Description: 
Calhoun, IL; Greene, IL; Jersey, IL
Forcast Office: 
NWS St Louis MO