Severe Severe Storm ● Closed

Severe Thunderstorm Warning issued September 13 at 9:07PM MDT until September 13 at 9:45PM MDT by NWS Great Falls MT, United States of America

Event time: Last updated: Sep 23, 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 906 PM MDT, a severe thunderstorm was located 8 miles east of
Geraldine, or 30 miles southeast of Fort Benton, moving northeast at
35 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Judith Landing and Iliad.

Measurements

Coordinates47.6520, -109.9380
RegionChouteau, MT; Fergus, MT
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyImmediate
Cap CertaintyObserved
Cap Expires2026-09-13T21:45:00-06:00

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

Also reported by: NWS NWS NWS NWS NWS NWS WMO NWS NWS

This event as JSON · API and licence

Source updated 35 days ago (Sep 14, 2026 03:08 UTC) · we last heard from WMO Alert Hub (national weather services) 8 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.

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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.