Tornado Warning Issued for Boone and Winnebago Counties in Illinois
This alert is no longer in effect.
NOAA issued it on April 25, 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).
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 Tornado Warning is in effect for Boone and Winnebago Counties in Illinois until 6:15 PM CDT, with a confirmed tornado moving east at 35 mph and baseball-sized hail.
Read this weather record in 30 seconds
- Record type
- Tornado Warning
- Affected area
- Northern Illinois
- Issued
- April 25, 2026
- Issuing authority
- NWS Chicago IL
Tornado warnings are short-window notices for the named area. The issuing office is the authority on whether the warning remains active or has been replaced.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Northern Illinois.
Tornado Warning in Illinois
Alert Details
The National Weather Service in Chicago has issued a Tornado Warning, effective from 5:07 PM CDT until 6:15 PM CDT.
Affected Areas
The warning affects Northeastern Winnebago County and Northern Boone County in north central Illinois, including the areas of Rockton, Machesney Park, Roscoe, and South Beloit.
What You Should Do
Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.
Expected Conditions
A confirmed tornado is moving east at 35 mph, with hazards including damaging tornado and baseball-sized hail measuring 2.75 inches.
Timeline
The alert is effective from 5:07 PM CDT and expires at 6:15 PM CDT.
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 (853 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 25, 2026.
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