Severe Severe Storm ● Closed

Severe Thunderstorm Warning issued September 6 at 2:50PM CDT until September 6 at 3:15PM CDT by NWS Sioux Falls SD, United States of America

Event time: Last updated: Sep 15, 2026 United States
Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

At 250 PM CDT, a severe thunderstorm was located near Galva, or 8
miles southwest of Storm Lake, moving northeast at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.

Locations impacted include...
Storm Lake, Alta and Lakeside.

Measurements

Coordinates42.5130, -95.3550
RegionBuena Vista, IA; Cherokee, IA; Ida, IA
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyImmediate
Cap CertaintyObserved
Cap Expires2026-09-06T15:15:00-05:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 43 days ago (Sep 6, 2026 19:51 UTC) · we last heard from WMO Alert Hub (national weather services) 52 seconds ago

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Official authorities in United States

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Earlier severe storm events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Severe Thunderstorm Warning — Broome, NY; Susquehanna, PA Severe Severe Storm United States closed via NWS Aug 7, 2026 Severe Thunderstorm Warning — Adams, OH; Brown, OH; Highland, OH Severe Severe Storm United States closed via NWS Aug 7, 2026 Severe Thunderstorm Warning — Warren, NJ; Berks, PA; Carbon, PA; Lehigh, PA; Monroe, PA; Northampton, PA Severe Severe Storm United States closed via NWS Aug 7, 2026 Severe Thunderstorm Warning — Chickasaw, IA; Floyd, IA; Howard, IA; Mitchell, IA Severe Severe Storm United States closed via NWS Aug 7, 2026

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Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.