Illinois Severe Thunderstorm Warning | Effective 05/04/2026 17:13

Headline: 
Severe Thunderstorm Warning issued May 4 at 7:13PM CDT until May 4 at 8:00PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 4, 2026 - 5:13pm
Expires: 
May 4, 2026 - 6:00pm
Description: 
SVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Southern Kendall County in northeastern Illinois... Northeastern La Salle County in north central Illinois... Grundy County in northeastern Illinois... * Until 800 PM CDT. * At 713 PM CDT, a severe thunderstorm was located near Ottawa, moving east at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Joliet, Ottawa, Morris, Channahon, Minooka, Coal City, Marseilles, Diamond, Seneca, Serena, Mazon, Braceville, Naplate, Godley, Dayton, Carbon Hill, Lisbon, Plattville, Wedron, and Norway.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Grundy, IL; Kendall, IL; La Salle, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov