Illinois Severe Thunderstorm Warning | Effective 04/27/2026 10:36

Headline: 
Severe Thunderstorm Warning issued April 27 at 12:36PM CDT until April 27 at 1:00PM CDT by NWS Lincoln IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 27, 2026 - 10:36am
Expires: 
April 27, 2026 - 11:00am
Description: 
SVRILX The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Effingham County in south central Illinois... * Until 100 PM CDT. * At 1236 PM CDT, a severe thunderstorm was located over Altamont, or 9 miles west of Effingham, moving east at 40 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... Effingham around 1240 PM CDT. Heartville around 1245 PM CDT. Teutopolis around 1250 PM CDT. Dieterich around 1255 PM CDT. This includes the following highways... Interstate 57 between mile markers 146 and 168. Interstate 70 between mile markers 79 and 104.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Effingham, IL
Forcast Office: 
NWS Lincoln IL