High Wind Watch Triggers Statewide Alerts Across Montana as 95 MPH Gusts Loom
A punishing storm system is bearing down on Montana Thursday, with high wind watches and warnings blanketing most of the state — forecasters warn it could be the most severe wind event since a December 2025 storm that shredded trees and knocked out power to thousands.
High Wind Watch Covers Dozens of Montana Communities
The National Weather Service has issued layered alerts covering nearly every corner of the state. A High Wind Warning is in effect from midnight Wednesday night until 6 PM Thursday for portions of central, north-central, and southwest Montana, with southwest winds forecast at 35 to 55 mph and gusts up to 75 mph — with isolated gusts up to 85 mph possible over the plains.
Along the Rocky Mountain Front and East Glacier Park Region, that High Wind Warning runs from 6 PM Wednesday through 6 PM Thursday, with gusts potentially topping 95 mph. That's not a forecast to take lightly — winds at that threshold can overturn vehicles and strip roofs.
A High Wind Watch is also in effect for the Livingston Area and Beartooth Foothills, where west and southwest gusts of 60 to 80 mph are possible through Thursday evening.
Atmospheric River Driving the Threat
This isn't a routine spring windstorm. The National Weather Service in Missoula is characterizing the system as a "long-duration, high-intensity atmospheric river," warning residents across the state to prepare for blizzard conditions, downed trees, power outages, and rockslides.
NWS meteorologist James Brusda in Great Falls said north-central Montana could see 75 mph gusts with sustained winds as high as 55 mph in some locations. "That's starting to be a dangerous situation if you have winds gusting over 75, to be outside," Brusda said.
He added a secondary concern: with much of the state currently bare of snow, grassfires could become a real threat.
Power Grid on High Alert
NorthWestern Energy has pre-positioned additional crews, equipment, and supplies statewide in anticipation of widespread outages. The utility is urging customers to stay away from downed or low-hanging power lines and report any damaged lines immediately.
The company's caution is grounded in recent history. The March 8 windstorm — just days ago — ripped part of the roof off Lincoln Elementary School in Great Falls and triggered intermittent power outages affecting thousands across the region. Thursday's system is forecast to rival or surpass that event.
Travel Disruptions Expected Statewide
Peak wind speeds Thursday are expected between 6 AM and 11 AM ET, with the High Wind Warning for Helena-area Montana running until 6 PM. Officials warn that travel will be difficult or dangerous, especially for high-profile and lightweight vehicles, with reduced visibility from blowing dust and snow.
The high country faces a compounded hazard. Winter Storm Warnings are in effect for Lolo Pass, Lost Trail Pass, Marias Pass, and Rogers Pass, where 2 to 5 feet of snow is forecast and blizzard conditions are possible.
Eastern Idaho Also Under High Wind Watch
Montana isn't alone. The National Weather Service office in Pocatello issued a high wind watch for eastern Idaho Thursday, covering Teton Valley, the Arco/Mud Lake Desert, the Southern Hills and Albion Mountains, and the Upper Snake River Plain — forecasting winds of 30 to 40 mph with gusts up to 60 mph from 9 AM to 9 PM.
Officials there flagged risks to trucks, trailers, and RVs, and warned of possible damage to power lines, signs, and small outbuildings. Drivers operating large vehicles were advised to delay travel until winds subside Thursday evening.
NorthWestern Energy's outage map is being updated in real time as conditions develop across Montana.
