Tornado Warning — Warned Area, WI — Apr 17, 2026
NWS MKX · ETN 39 · National Weather Service warning
Event Summary
The National Weather Service office MKX issued a tornado warning at 23:30 UTC on Apr 17, 2026. The warning was in effect for 14 minutes, ending at Apr 17, 2026 23:44 UTC. At the last radar check, the storm was located near 42.67, -88.83, moving east-northeast at about 31 mph.
Timeline
- Issued
- Last updated
- Ended
Counties Affected
Storm Reports
| Time | Location | County / State | EF | Remarks |
|---|---|---|---|---|
| 3 NNW Darien | Walworth, WI | UNK | NWS Storm Survey concludes an EF-1 tornado occurred with estimated peak winds of 100 mph. The tornado started just north of School Section Road... traveled along State (MKX) | |
| 3 WNW Delavan | Walworth, WI | UNK | NWS Damage Survey concludes an EF-1 tornado occurred with estimated peak winds of 100 mph. The tornado started near Turtle Creek by Klug Road... lifting northeastward t (MKX) | |
| 3 SE Shirland | Winnebago, IL | UNK | An NWS Damage survey confirmed an EF-1 tornado with peak winds of 95 mph... path length of 11.2 miles... and maximum width of 350 yards damaged trees and buildings incl (LOT) | |
| 2 ESE Roscoe | Winnebago, IL | UNK | Tornado on the ground visible from IL-173 and Belvidere Road looking north. Relayed by amateur radio. (LOT) |
Preliminary local storm reports (SPC) within the warned area window — subject to revision after NWS surveys.