Severe Thunderstorm Warning — Glacier County, Montana
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued September 2 at 4:26PM MDT until September 2 at 5:45PM MDT by NWS Great Falls MT
SVRTFX The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... Northeastern Pondera County in north central Montana... Liberty County in north central Montana... Eastern Glacier County in north central Montana... Toole County in north central Montana... Hill County in north central Montana... North central Chouteau County in north central Montana... * Until 545 PM MDT. * At 426 PM MDT, severe thunderstorms were located along a line extending from 10 miles northwest of Valier to 7 miles south of Beaver Creek, moving north at 30 mph. HAZARD...70 mph wind gusts. SOURCE...Recent observations of 70 to 80 mph winds with this line of storms. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Havre, Shelby, Cut Bank, Conrad, Chester, Valier, Sunburst, Kevin, Beaver Creek, Lothair, Joplin, Inverness, Gildford, Box Elder, Azure, Boneau, Sangrey, Sweet Grass, Hingham, an
Effective September 2, 2026 at 6:26 PM ET · Expires September 2, 2026 at 7:45 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Great Falls MT
Expires
September 2, 2026 at 7:45 PM ET
Last Checked
2 minutes ago
What To Do
📋 Official NWS Guidance
For your protection move to an interior room on the lowest floor of a building.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Montana
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Get Severe Thunderstorm Warning Alerts for Glacier County
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Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Glacier County, Montana?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (2 minutes ago). It's set to expire September 2, 2026 at 7:45 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Glacier County?
Download StormCast free on Google Play and set Glacier County, Montana as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Warning is also in effect for Hill County, Pondera County, Toole County, Chouteau County, Liberty County.