Illinois Severe Thunderstorm Warning | Effective 05/18/2026 06:42

Headline: 
Severe Thunderstorm Warning issued May 18 at 8:42AM CDT until May 18 at 9:15AM CDT by NWS Lincoln IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 18, 2026 - 6:42am
Expires: 
May 18, 2026 - 7:15am
Description: 
At 842 AM CDT, severe thunderstorms were located along a line extending from Peoria International Airport to near Green Valley to near San Jose, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Peoria, Pekin, East Peoria, Bartonville, Creve Coeur, Marquette Heights, Delavan, South Pekin, Green Valley, and San Jose around 845 AM CDT. Tremont and Emden around 850 AM CDT. Morton and Hopedale around 855 AM CDT. Other locations impacted by these severe thunderstorms include Powerton, North Pekin, Groveland, and Dillon. This includes the following highways... Interstate 155 between mile markers 9 and 31. Interstate 474 between mile markers 7 and 14. Interstate 74 between mile markers 95 and 101.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Logan, IL; Mason, IL; Peoria, IL; Tazewell, IL
Forcast Office: 
NWS Lincoln IL
Sender: 
w-nws.webmaster@noaa.gov