Severe Thunderstorm Warning Issued for Cook, DuPage, and Will Counties in Illinois
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months 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).
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The National Weather Service has issued a Severe Thunderstorm Warning for parts of northeastern Illinois, including Aurora and Naperville, effective until 9:00 PM CDT.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northeastern Illinois
- Issued
- April 6, 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 4 months ago; use the issuing agency's live warning service for current conditions in Northeastern Illinois.
Alert Details
The National Weather Service in Chicago IL has issued a Severe Thunderstorm Warning for portions of northeastern Illinois. This alert is based on radar-indicated severe thunderstorms moving through the region.
Affected Areas
The warning covers the following geographic regions in northeastern Illinois:
- DuPage County
- Northwestern Will County
- South central Cook County
Impacted locations include Aurora, Joliet, Naperville, Bolingbrook, Orland Park, Wheaton, Downers Grove, Elmhurst, Lombard, Carol Stream, Romeoville, Plainfield, Addison, Glendale Heights, Woodridge, Glen Ellyn, West Chicago, Lockport, New Lenox, Homer Glen, Mokena, Franklin Park, Frankfort, Hinsdale, and Lemont.
What You Should Do
For your protection, move to an interior room on the lowest floor of a building immediately. Residents should seek shelter to avoid potential injury from flying debris or falling trees.
Expected Conditions
At 8:32 PM CDT, severe thunderstorms were located along a line extending from Warrenville to Shorewood, moving northeast at 50 mph. Hazards include:
- Wind: Gusts up to 60 mph, which may cause damage to roofs, siding, and trees.
- Hail: Quarter size hail (1.00 inch), which is expected to cause damage to vehicles.
Timeline
The warning is effective immediately as of 8:32 PM CDT and is currently scheduled to expire at 9:00 PM CDT on March 10, 2026.
Original source: NOAA Official Notice ↗
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