Severe Thunderstorm Warning Issued for Henry and Mercer Counties in Illinois
This alert is no longer in effect.
NOAA issued it on May 13, 2026, 3 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).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Severe Thunderstorm Warning is in effect for Henry and Mercer Counties in Illinois until 6:30 PM CDT, with hazards including 60 mph wind gusts and quarter-sized hail.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northwestern Illinois
- Issued
- May 13, 2026
- Issuing authority
- NWS Quad Cities IA 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 3 months ago; use the issuing agency's live warning service for current conditions in Northwestern Illinois.
Severe Thunderstorm Warning in Northwestern Illinois
Alert Details
The National Weather Service in Quad Cities has issued a Severe Thunderstorm Warning. It is effective from 5:42 PM CDT until 6:30 PM CDT on May 4, 2026.
Affected Areas
The warning affects Henry County and Mercer County in northwestern Illinois. Specific locations include Kewanee, Cambridge, Geneseo, Colona, Galva, Orion, Atkinson, Annawan, Andover, Hooppole, Warner, Lynn Center, Cable, Osco, Bishop Hill, Henry County Fairgrounds, Ophiem, German Corner, Sunny Hill, and Nekoma. It also includes Interstate 80 in Illinois between mile markers 9 and 35, and Interstate 74 in Illinois between mile markers 13 and 29.
What You Should Do
For your protection, move to an interior room on the lowest floor of a sturdy building.
Expected Conditions
Hazards include 60 mph wind gusts and quarter size hail (1.00 inch).
Timeline
The alert is effective from 5:42 PM CDT on May 4, 2026, and expires at 6:30 PM CDT on the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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 (1,010 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 13, 2026.
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