Illinois Severe Thunderstorm Warning | Effective 05/18/2026 05:37

Headline: 
Severe Thunderstorm Warning issued May 18 at 7:37AM CDT until May 18 at 8:15AM CDT by NWS St Louis MO
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 18, 2026 - 5:37am
Expires: 
May 18, 2026 - 6:15am
Description: 
SVRLSX The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... North Central Calhoun County in southwestern Illinois... Central Greene County in southwestern Illinois... Southeastern Pike County in west central Illinois... * Until 815 AM CDT. * At 737 AM CDT, a severe thunderstorm was located 6 miles east of Belleview, or 15 miles west of White Hall, moving northeast at 35 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Belleview, Mozier, Nebo, Beecreek, Pearl, Haypress, Bedford, Hillview, Walkersville, Montezuma, Carrollton, Patterson, Belltown, Berdan, White Hall, Barrow and Roodhouse.
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; Pike, IL
Forcast Office: 
NWS St Louis MO