Tornado Warning — Warned Area, WI — Apr 17, 2026
NWS MKX · ETN 32 · National Weather Service warning
Event Summary
The National Weather Service office MKX issued a tornado warning at 21:03 UTC on Apr 17, 2026. The warning was in effect for 42 minutes, ending at Apr 17, 2026 21:45 UTC. At the last radar check, the storm was located near 42.46, -89.65, moving east-northeast at about 33 mph.
Timeline
- Issued
- Last updated
- Ended
Counties Affected
Storm Reports
| Time | Location | County / State | EF | Remarks |
|---|---|---|---|---|
| 3 N Pecatonica | Winnebago, IL | Unrated | Video shows possible brief tornado north of Pecatonica. No known damage. Relayed via social media. (LOT) | |
| 3 SSE Shirland | Winnebago, IL | Unrated | Trained spotter reports tornado on the ground just southeast of Harrison. (LOT) | |
| 4 S Shirland | Winnebago, IL | EF1° | An NWS damage survey confirmed than a high-end EF-1 tornado with peak winds of 110 mph... path length of 3.74 miles... and maximum width of 125 yards damaged trees and (LOT) | |
| 3 ESE Shirland | Winnebago, IL | Unrated | Multiple photos and videos shared via social media show tornado on the ground between Harrison and Rockton. (LOT) |
Preliminary local storm reports (SPC) within the warned area window — subject to revision after NWS surveys. ° = rating parsed from the NWS damage-survey text quoted in the SPC report narrative (derived, not an official F-scale entry).