Severe Severe Storm ● Closed
Severe Thunderstorm Watch issued September 6 at 5:53PM MDT until September 7 at 1:00AM MDT by NWS Great Falls MT, United States of America
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THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
662 IN EFFECT UNTIL 1 AM MDT MONDAY FOR THE FOLLOWING AREAS
IN MONTANA THIS WATCH INCLUDES 10 COUNTIES
IN CENTRAL MONTANA
CASCADE FERGUS JUDITH BASIN
MEAGHER
IN NORTH CENTRAL MONTANA
BLAINE CHOUTEAU HILL
LIBERTY
IN SOUTHWEST MONTANA
BROADWATER
IN WEST CENTRAL MONTANA
LEWIS AND CLARK
THIS INCLUDES THE CITIES OF AUGUSTA, BELT, BIG SANDY, CARTER,
CASCADE, CHESTER, CHINOOK, DEEP CREEK PASS, FLESHER PASS,
FORT BENTON, GRASS RANGE, GREAT FALLS, HARLEM, HAVRE, HAYS,
HELENA, HOBSON, KINGS HILL PASS, LEWISTOWN, LEWISTOWN DIVIDE,
LINCOLN, MACDONALD PASS, MARTINSDALE, RAYNESFORD, ROCKY BOY,
ROGERS PASS, RUDYARD, STANFORD, TOSTON, TOWNSEND,
WHITE SULPHUR SPRINGS, WHITLASH, WINIFRED, AND WINSTON.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Blaine, MT; Broadwater, MT; Cascade, MT; Chouteau, MT; Fergus, MT; Hill, MT; Judith Basin, MT; Lewis and Clark, MT; Liberty, MT; Meagher, MT |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-09-07T01:00:00-06:00 |
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 reportAlso reported by: WMO WMO
This event as JSON · API and licence
Source updated 42 days ago (Sep 6, 2026 23:56 UTC) · we last heard from WMO Alert Hub (national weather services) 48 seconds ago
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About this location
The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.
Area as the agency stated it: Blaine, MT; Broadwater, MT; Cascade, MT; Chouteau, MT; Fergus, MT; Hill, MT; Judith Basin, MT; Lewis and Clark, MT; Liberty, MT; Meagher, MT
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for United States →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.
Nearby & related events
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