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Tornado Warning — Warned Area, IA — May 18, 2026

NWS DMX · ETN 37 · National Weather Service warning
Radar-indicated position & projected track

Event Summary

The National Weather Service office DMX issued a tornado warning at 02:08 UTC on May 18, 2026. The warning was in effect for 52 minutes, ending at May 18, 2026 03:00 UTC. At the last radar check, the storm was located near 42.87, -94.58, moving east-northeast at about 62 mph.

Timeline

Issued
Last updated
Ended

Counties Affected

Storm Reports

TimeLocationCounty / StateEFRemarks
2 NW Terril Dickinson, IA UNK Viewed on social media. (FSD)
Graettinger Palo Alto, IA UNK Reports of power pole and tree damage in town. Time estimated by radar. (DMX)
Moorland Webster, IA UNK Multiple trees down upwards of 8 inches in diameter. Time estimated via radar. (DMX)
3 SSW Armstrong Emmet, IA UNK Confirmed tornado estimated via webcam. (DMX)
2 S Wesley Kossuth, IA UNK Confirmed tornado via Emergency Management. (DMX)
4 N Crystal Lake Winnebago, IA UNK Reports of power line sparking/flashing. (DMX)

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

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