Severe Thunderstorm Warning — Teton 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 3:59PM MDT until September 2 at 5:00PM MDT by NWS Great Falls MT
SVRTFX The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... East central Lewis and Clark County in west central Montana... Eastern Pondera County in north central Montana... Teton County in north central Montana... West central Chouteau County in north central Montana... Cascade County in central Montana... * Until 500 PM MDT. * At 358 PM MDT, severe thunderstorms were located along a line extending from 15 miles north of Choteau to 15 miles south of Cascade, moving northeast at 30 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Blowing dust will reduce visibility and create hazardous driving conditions. * Locations impacted include... Great Falls, Conrad, Choteau, Cascade, Fairfield, Dutton, Brady, Black Eagle, Fort Shaw, Power, Augusta, Dupuyer, Pishkun Reservoir, Eden, Stockett, First Peoples Buffalo Jump State Park, Ulm, Si
Effective September 2, 2026 at 5:59 PM ET · Expires September 2, 2026 at 7:00 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Great Falls MT
Expires
September 2, 2026 at 7:00 PM ET
Last Checked
just now
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 Warning
Severe Thunderstorm Watch
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Get Severe Thunderstorm Warning Alerts for Teton County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Teton 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 (just now). It's set to expire September 2, 2026 at 7:00 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Teton County?
Download StormCast free on Google Play and set Teton 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 Chouteau County, Lewis and Clark County, Cascade County, Pondera County.