Tornado Warning Issued for Jo Daviess and Stephenson Counties in Illinois
This alert is no longer in effect.
NOAA issued it on April 15, 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 Jo Daviess and Stephenson Counties in Illinois until 6:45 PM CDT on April 15, 2026, due to a severe thunderstorm capable of producing a tornado and quarter-size hail.
Read this weather record in 30 seconds
- Record type
- Tornado Warning
- Affected area
- Northwestern Illinois
- Issued
- April 15, 2026
- Issuing authority
- NWS Quad Cities IA 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 Northwestern Illinois.
Tornado Warning in Northwestern Illinois
Alert Details
The National Weather Service in Quad Cities has issued a Tornado Warning, effective from 6:05 PM CDT on April 15, 2026, until 6:45 PM CDT. This alert is based on radar-indicated rotation and is categorized as extreme urgency.
Affected Areas
This warning affects Jo Daviess County and Stephenson County in northwestern Illinois. Specific locations include areas near Stockton, Warren, Nora, Apple River Canyon State Park, Jo Daviess County Fairgrounds, and Waddams Grove.
What You Should Do
Take cover now. 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
Hazards include a tornado and quarter size hail (1.00 inch). The storm may cause flying debris, damage to mobile homes, roofs, windows, vehicles, and trees.
Timeline
The warning is effective from 6:05 PM CDT to 6:45 PM CDT on April 15, 2026.
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 (1,077 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 15, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.