Tornado Warning — Warned Area, IL — Apr 27, 2026

NWS LSX · ETN 49 · National Weather Service warning

Radar-indicated position & projected track

Event Summary

The National Weather Service office LSX issued a tornado warning at 23:41 UTC on Apr 27, 2026. The warning was in effect for 32 minutes, ending at Apr 28, 2026 00:13 UTC. At the last radar check, the storm was located near 38.84, -90.38, moving east-northeast at about 36 mph.

Timeline

Issued: Apr 27, 2026 23:41 UTC
Last updated: Apr 28, 2026 11:15 UTC
Ended: Apr 28, 2026 00:13 UTC

Counties Affected

Calhoun, IL Jersey, IL Madison, IL St. Charles, MO St. Louis, MO

Towns in the Path

Hazelwood, MO Saint Charles, MO Spanish Lake, MO Florissant, MO Saint Peters, MO Edwardsville, IL Old Jamestown, MO Alton, IL Upper Alton, IL Godfrey, IL

Storm Reports

Time	Location	County / State	EF	Remarks
Apr 27, 2026 23:49 UTC	2 NE West Alton	St. Charles, MO	UNK	A video from Alton showed the vortex of a waterspout tornado dissipating as it approached the Lincoln Shields Recreation Area. A NWS damage survey was unable to find an (LSX)
Apr 28, 2026 00:53 UTC	3 ENE Scott Afb	St. Clair, IL	UNK	NWS Damage Survey found that an EF1 tornado formed along IL Highway 4 north of Interstate 64... moving northeastward... dissipating southeast of Trenton. (LSX)
Apr 28, 2026 01:06 UTC	2 WSW Germantown	Clinton, IL	UNK	NWS Damage Survey found that an EF1 tornado formed southwest of Germantown and tracked northeastward to just south of Carlyle. (LSX)

Preliminary local storm reports (SPC) within the warned area window — subject to revision after NWS surveys.