Illinois Severe Severe Thunderstorm Warning | Effective 08/09/2026 21:22

Headline: 
Severe Thunderstorm Warning issued August 9 at 11:22PM CDT until August 10 at 12:00AM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 9, 2026 - 9:22pm
Expires: 
August 9, 2026 - 10:00pm
Description: 
SVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... South central Lake County in northeastern Illinois... Northwestern Cook County in northeastern Illinois... * Until midnight CDT. * At 1121 PM CDT, a severe thunderstorm was located over Inverness, or near Barrington, moving east at 15 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. * Locations impacted include... Arlington Heights, Schaumburg, Palatine, Des Plaines, Mount Prospect, Hoffman Estates, Glenview, Buffalo Grove, Streamwood, Wheeling, Park Ridge, Elk Grove Village, Mundelein, Niles, Vernon Hills, Lake Zurich, Barrington, Rolling Meadows, Prospect Heights, Long Grove, Hawthorn Woods, Inverness, Lincolnshire, Barrington Hills, and Kildeer.
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.
Area Description: 
Cook, IL; Lake, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov