Severe Thunderstorm Warning — Kane County, Illinois
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 9 at 2:18PM CDT until August 9 at 2:30PM CDT by NWS Chicago IL
At 218 PM CDT, a severe thunderstorm was located over Westmont, or over Downers Grove, moving east at 30 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Aurora, Naperville, Bolingbrook, Wheaton, Downers Grove, Lombard, Romeoville, Woodridge, Oswego, Glen Ellyn, Hinsdale, Lemont, Burr Ridge, Oak Brook, Westmont, Lisle, Darien, Montgomery, Warrenville, Willowbrook, Clarendon Hills, Boulder Hill, Willow Springs, Oakbrook Terrace, and York Center.
Effective August 9, 2026 at 3:18 PM ET · Expires August 9, 2026 at 3:30 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Chicago IL
Expires
August 9, 2026 at 3:30 PM ET
Last Checked
42 minutes ago
What To Do
📋 Official NWS Guidance
For your protection move to an interior room on the lowest floor of a building.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Illinois
Flood Advisory
Severe Thunderstorm Watch
Flood Advisory
Severe Thunderstorm Watch
Flood Advisory
Severe Thunderstorm Warning
Get Severe Thunderstorm Warning Alerts for Kane County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Kane County, Illinois?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (42 minutes ago). It's set to expire August 9, 2026 at 3:30 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Kane County?
Download StormCast free on Google Play and set Kane County, Illinois as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Warning is also in effect for Kendall County.