Illinois Severe Severe Thunderstorm Warning | Effective 08/09/2026 12:03

Headline: 
Severe Thunderstorm Warning issued August 9 at 2:03PM CDT until August 9 at 2:30PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 9, 2026 - 12:03pm
Expires: 
August 9, 2026 - 12:30pm
Description: 
At 202 PM CDT, a severe thunderstorm was located over Naperville, moving east at 30 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Aurora, Naperville, Bolingbrook, Wheaton, Downers Grove, Lombard, Romeoville, Woodridge, Oswego, Glen Ellyn, West Chicago, Hinsdale, Lemont, Burr Ridge, Oak Brook, Westmont, Lisle, Darien, Montgomery, North Aurora, Warrenville, Winfield, Willowbrook, Clarendon Hills, and Boulder Hill.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
DuPage, IL; Kane, IL; Kendall, IL; Will, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov