Tornado Warning — Lyon, IA — Sep 2, 2026

Event Summary

The National Weather Service office FSD issued a tornado warning at 03:27 UTC on Sep 2, 2026 covering Lyon, IA; O'Brien, IA; Osceola, IA; Sioux, IA. The warning was in effect for 5 minutes, ending at Sep 2, 2026 03:32 UTC. At the last radar check, the storm was located near 43.28, -95.75, moving east-northeast at about 44 mph.

Timeline

Issued

Sep 2, 2026 03:27 UTC

Last updated

Sep 2, 2026 03:29 UTC

Ended

Sep 2, 2026 03:32 UTC

Counties Affected

Storm Reports

No tornado reports have been filed for this warning yet — SPC reports typically arrive within hours; this page updates automatically.

More on Vortex

• Lyon, IA warnings
• O'Brien, IA warnings
• Osceola, IA warnings
• Sioux, IA warnings
• Tornado history: Iowa
• Recent tornadoes across the US