Illinois Severe Thunderstorm Warning | Effective 04/27/2026 17:59

Headline: 
Severe Thunderstorm Warning issued April 27 at 7:59PM CDT until April 27 at 8:15PM CDT by NWS St Louis MO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 27, 2026 - 5:59pm
Expires: 
April 27, 2026 - 6:15pm
Description: 
At 759 PM CDT, severe thunderstorms were located along a line from near Smithton to near New Design, or along a line from 7 miles southwest of Freeburg to near Red Bud, moving east at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Valmeyer, Harrisonville, Foster Pond, Monroe City, Waterloo, Madonnaville, Chalfin Bridge, Wartburg, Maeystown, Fults, Burksville, New Design, Renault, Hecker and Ames.
Instruction: 
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. Seek shelter immediately in an interior room on the lowest floor of a well-built structure.
Area Description: 
Monroe, IL
Forcast Office: 
NWS St Louis MO