Illinois Severe Severe Thunderstorm Warning | Effective 06/21/2026 15:04

Headline: 
Severe Thunderstorm Warning issued June 21 at 5:04PM CDT until June 21 at 5:45PM CDT by NWS Lincoln IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 21, 2026 - 3:04pm
Expires: 
June 21, 2026 - 3:45pm
Description: 
At 504 PM CDT, a severe thunderstorm was located near Mason, or 14 miles south of Effingham, moving east at 35 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 storm will be near... Bible Grove around 510 PM CDT. Other locations impacted by this severe thunderstorm include Hord and Iola. This includes Interstate 57 between mile markers 142 and 148.
Instruction: 
A Tornado Watch remains in effect until 900 PM CDT for south central and southeastern Illinois. 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.
Area Description: 
Clay, IL; Effingham, IL; Jasper, IL
Forcast Office: 
NWS Lincoln IL