Illinois Severe Severe Thunderstorm Warning | Effective 08/09/2026 21:35

Headline: 
Severe Thunderstorm Warning issued August 9 at 11:35PM CDT until August 10 at 12:45AM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 9, 2026 - 9:35pm
Expires: 
August 9, 2026 - 10:45pm
Description: 
SVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Northern Livingston County in central Illinois... Southeastern La Salle County in north central Illinois... Southern Grundy County in northeastern Illinois... * Until 1245 AM CDT. * At 1134 PM CDT, severe thunderstorms were located along a line extending from near Seneca to near South Streator, moving east at 25 mph. HAZARD...70 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Streator, Coal City, Marseilles, Dwight, Diamond, Seneca, Gardner, Odell, Mazon, South Streator, Braceville, Cullom, Cornell, Saunemin, South Wilmington, Godley, Ransom, Kangley, Long Point, Verona, Campus, Reddick, Emington, East Brooklyn, and Kinsman.
Instruction: 
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. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Grundy, IL; La Salle, IL; Livingston, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov