Illinois Severe Thunderstorm Warning - Severe | Effective 06/11/2026 20:45

Headline: 
Severe Thunderstorm Warning issued June 11 at 10:45PM CDT until June 11 at 11:30PM CDT by NWS Lincoln IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 11, 2026 - 8:45pm
Expires: 
June 11, 2026 - 9:30pm
Description: 
SVRILX The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Northwestern Clay County in south central Illinois... Effingham County in south central Illinois... * Until 1130 PM CDT. * At 1045 PM CDT, a severe thunderstorm was located over Altamont, or 10 miles southwest of Effingham, moving east at 30 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Effingham, Watson, and Heartville around 1055 PM CDT. Other locations in the path of this severe thunderstorm include Teutopolis and Dieterich. This includes the following highways... Interstate 57 between mile markers 142 and 165. Interstate 70 between mile markers 79 and 104.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Clay, IL; Effingham, IL
Forcast Office: 
NWS Lincoln IL
Sender: 
w-nws.webmaster@noaa.gov