Illinois Severe Severe Thunderstorm Warning | Effective 06/17/2026 20:14

Headline: 
Severe Thunderstorm Warning issued June 17 at 10:14PM CDT until June 17 at 11:00PM CDT by NWS Lincoln IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 17, 2026 - 8:14pm
Expires: 
June 17, 2026 - 9:00pm
Description: 
SVRILX The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Northwestern Clay County in south central Illinois... Southern Effingham County in south central Illinois... * Until 1100 PM CDT. * At 1013 PM CDT, a severe thunderstorm was located near St. Elmo, or 15 miles southwest of Effingham, moving east at 50 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. * This severe thunderstorm will be near... Edgewood and Mason around 1020 PM CDT. This includes the following highways... Interstate 57 between mile markers 142 and 154. Interstate 70 between mile markers 79 and 83.
Instruction: 
Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until midnight CDT for south central and southeastern Illinois.
Area Description: 
Clay, IL; Effingham, IL
Forcast Office: 
NWS Lincoln IL