Severe Thunderstorm Warning for DuPage, Kane, Kendall, Will Counties IL
This alert is no longer in effect.
NOAA issued it on August 9, 2026, 2 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Chicago has issued a Severe Thunderstorm Warning for parts of northeastern Illinois until 2:30 PM CDT on August 9, 2026.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northeastern Illinois
- Issued
- August 9, 2026
- Issuing authority
- NWS Chicago IL
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 2 weeks ago; use the issuing agency's live warning service for current conditions in Northeastern Illinois.
Alert Details
Severe Thunderstorm Warning issued by NWS Chicago IL. Effective from August 9, 2026 at 1:36 PM CDT until August 9, 2026 at 2:30 PM CDT. The alert is classified as Severe with Immediate urgency and Observed certainty.
Affected Areas
Northeastern Kendall County, Northwestern Will County, Southeastern Kane County, and Southern DuPage County in northeastern Illinois. Impacted locations include Aurora, Naperville, Bolingbrook, Wheaton, Downers Grove, Lombard, Romeoville, Plainfield, Woodridge, Oswego, Glen Ellyn, West Chicago, Batavia, Geneva, Yorkville, Hinsdale, Lemont, Burr Ridge, Oak Brook, Westmont, Lisle, Darien, Montgomery, North Aurora, and Warrenville.
What You Should Do
For your protection move to an interior room on the lowest floor of a building.
Expected Conditions
At 1:36 PM CDT, a severe thunderstorm was located over North Aurora or near Aurora, moving east at 25 mph. Hazards include 60 mph wind gusts and quarter size hail (1.00 inch). Radar indicated. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
Timeline
The warning is in effect until 2:30 PM CDT on August 9, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,170 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 9, 2026.
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