Tornado Warning Issued for Stephenson County, Illinois
This alert is no longer in effect.
NOAA issued it on April 16, 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 southeastern Stephenson County in northwestern Illinois until 8:30 PM CDT, with hazards including tornadoes and quarter-sized hail detected by radar.
Read this weather record in 30 seconds
- Record type
- Tornado Warning
- Affected area
- Northwestern Illinois
- Issued
- April 16, 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 Stephenson County, Illinois
Alert Details
A Tornado Warning has been issued by the NWS Quad Cities IA IL. This alert is effective from 7:59 PM CDT on April 15, 2026.
Affected Areas
The warning affects southeastern Stephenson County in northwestern Illinois, including areas such as Adeline and German Valley.
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 is capable of producing flying debris, damage to mobile homes, roofs, windows, vehicles, and trees, based on radar indicated rotation.
Timeline
The warning is effective from 7:59 PM CDT on April 15, 2026, and ends at 8:30 PM CDT on the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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 (954 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 16, 2026.
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Common questions about this NWS weather alert.