Severe Thunderstorm Warning Issued for Northern Lee County, IL
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NWS Chicago has issued a Severe Thunderstorm Warning for Northern Lee County until 9:45 PM CDT due to half dollar size hail and 50 mph winds.
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- Record type
- Severe Thunderstorm Warning
- Affected area
- Northern Lee County, Illinois
- Issued
- August 10, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Severe Thunderstorm Warning issued by NWS Chicago IL. Effective from August 9 at 8:41 PM CDT until August 9 at 9:45 PM CDT. Alert type code: SVR.
Affected Areas
Northern Lee County in north central Illinois. Locations impacted include Dixon, Franklin Grove, Ashton, Lee, Steward, Eldena, and Nachusa.
What You Should Do
For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Expected Conditions
At 8:41 PM CDT, severe thunderstorms were located along a line extending from Dixon to Franklin Grove, moving east at 15 mph. Hazard includes half dollar size hail (1.25 inches). Radar indicated. Max wind gust up to 50 MPH. Damage to vehicles is expected.
Timeline
Alert effective August 9, 2026 at 8:41 PM CDT and expires August 9, 2026 at 9:45 PM CDT.
Original source: NOAA Official Notice ↗
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