Illinois Severe Thunderstorm Warning | Effective 04/27/2026 15:27

Headline: 
Severe Thunderstorm Warning issued April 27 at 5:27PM CDT until April 27 at 6:00PM CDT by NWS St Louis MO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 27, 2026 - 3:27pm
Expires: 
April 27, 2026 - 4:00pm
Description: 
SVRLSX The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... North Central Calhoun County in southwestern Illinois... West Central Greene County in southwestern Illinois... * Until 600 PM CDT. * At 527 PM CDT, a severe thunderstorm was located 8 miles south of Clarksville, or 8 miles northwest of Elsberry, moving east at 55 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... Belleview, Mozier, Hamburg, Michael, Kampsville, Eldred and Haypress.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. This storm is 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. A Tornado Watch remains in effect until 900 PM CDT for a portion of southwest Illinois.
Area Description: 
Calhoun, IL; Greene, IL
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov