Tornado Warning — Warned Area, IL — Apr 18, 2026

NWS LOT · ETN 17 · National Weather Service warning

Radar-indicated position & projected track

Event Summary

The National Weather Service office LOT issued a tornado warning at 00:09 UTC on Apr 18, 2026. The warning was in effect for 36 minutes, ending at Apr 18, 2026 00:45 UTC. At the last radar check, the storm was located near 42.41, -89.07, moving east at about 53 mph.

Timeline

Issued: Apr 18, 2026 00:09 UTC
Last updated: Apr 19, 2026 11:15 UTC
Ended: Apr 18, 2026 00:45 UTC

Counties Affected

Boone, IL Winnebago, IL

Towns in the Path

Machesney Park, IL

Storm Reports

Time	Location	County / State	EF	Remarks
Apr 18, 2026 00:15 UTC	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.