Weather Warnings for Montana

Issued by the National Weather Service

Current watches, warnings, and advisories for Montana
Alerts Updated: March 31, 2026, 10:19 pm  UTC


Winter Weather Advisory issued March 31 at 4:19PM MDT until April 1 at 12:00AM MDT by NWS Billings MT

Summary: * WHAT...Snow occurring. Additional snow accumulations up to two inches. * WHERE...Golden Valley, Northern Carbon, and Northern Stillwater. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions on bridges and overpasses. The hazardous conditions will impact the Tuesday evening commute. * ADDITIONAL DETAILS...Poorest travel conditions will be over the higher hills.
Severity:  Moderate    Effective:  March 31, 2026, 4:19 pm      Expires:  April 1, 2026, 12:00 am
Area:  Northern Stillwater; Golden Valley; Northern Carbon


Winter Weather Advisory issued March 31 at 4:19PM MDT until April 1 at 12:00AM MDT by NWS Billings MT

Summary: * WHAT...Snow occurring. Additional snow accumulations up to two inches. * WHERE...Beartooth Foothills and Red Lodge Foothills. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions on bridges and overpasses. The hazardous conditions will impact the Tuesday evening commute. * ADDITIONAL DETAILS...Poorest travel conditions will be over the higher hills.
Severity:  Moderate    Effective:  March 31, 2026, 4:19 pm      Expires:  April 1, 2026, 12:00 am
Area:  Red Lodge Foothills; Beartooth Foothills


Winter Weather Advisory issued March 31 at 4:19PM MDT until April 1 at 12:00AM MDT by NWS Billings MT

Summary: * WHAT...Snow occurring. Additional snow accumulations up to two inches. * WHERE...Southern Wheatland, Livingston Area, Melville Foothills, and Northern Sweet Grass. * WHEN...Until midnight MDT tonight. * IMPACTS...Travel will be difficult due to the snow and poor visibility. Roads during the day should remain wet, but icy or slushy spots are possible this evening. This includes I-90 from Big Timber to Livingston and Bozeman Pass, and US-191 from Big Timber to Harlowton. * ADDITIONAL DETAILS...Poorest travel conditions will be over the higher elevations.
Severity:  Moderate    Effective:  March 31, 2026, 4:19 pm      Expires:  April 1, 2026, 12:00 am
Area:  Livingston Area; Northern Sweet Grass; Melville Foothills; Southern Wheatland


Winter Storm Watch issued March 31 at 4:19PM MDT until April 3 at 6:00PM MDT by NWS Billings MT

Summary: * WHAT...Heavy snow accumulations of greater than 12 inches are possible. Winds could gust as high as 40 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From Thursday evening through Friday afternoon. * IMPACTS...Travel on Highway 14 could be impacted. The hazardous conditions could impact the Thursday evening and Friday morning commutes. * ADDITIONAL DETAILS...The heaviest snow is expected Thursday night into Friday morning.
Severity:  Severe    Effective:  March 31, 2026, 4:19 pm      Expires:  April 1, 2026, 4:30 pm
Area:  Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains


Winter Storm Watch issued March 31 at 4:19PM MDT until April 3 at 6:00PM MDT by NWS Billings MT

Summary: * WHAT...Heavy snow accumulations of greater than 12 inches are possible. Winds could gust as high as 40 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...From Thursday afternoon through Friday afternoon. * IMPACTS...Recreation in the high country may be negatively impacted. * ADDITIONAL DETAILS...The heaviest snow is expected Thursday night into Friday morning.
Severity:  Severe    Effective:  March 31, 2026, 4:19 pm      Expires:  April 1, 2026, 4:30 pm
Area:  Absaroka/Beartooth Mountains; Crazy Mountains


Winter Storm Watch issued March 31 at 12:51PM MDT until April 3 at 6:00AM MDT by NWS Great Falls MT

Summary: * WHAT...Heavy, wet snow possible. Total snow accumulations between 7 and 14 inches possible at and above pass level with 3 to 7 inches at lower elevations. Winds could gust as high as 40 mph. * WHERE...Elkhorn and Boulder Mountains, Upper Blackfoot and MacDonald Pass, Southern Rocky Mountain Front, and Northwest Beaverhead County. * WHEN...From Thursday morning through late Thursday night. * IMPACTS...Slushy snow covered roads and significantly reduced visibility at times may make travel very difficult. Tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. * ADDITIONAL DETAILS...The combination of heavy, wet snow and winds may cause power outages and tree damage.
Severity:  Severe    Effective:  March 31, 2026, 12:51 pm      Expires:  April 1, 2026, 6:15 am
Area:  Southern Rocky Mountain Front; Upper Blackfoot and MacDonald Pass; Elkhorn and Boulder Mountains; Northwest Beaverhead County


Winter Storm Watch issued March 31 at 12:51PM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Heavy, wet snow possible. Total snow accumulations between 4 and 8 inches possible at elevations below 5,000 feet and 8 to 16 inches possible above 5,000 feet. Winds could gust as high as 40 mph. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...From Thursday afternoon through Friday morning. * IMPACTS...Slushy snow covered roads and significantly reduced visibility at times may make travel very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes. Those in the backcountry should ensure they are prepared for dangerous conditions. * ADDITIONAL DETAILS...The combination of heavy, wet snow and winds may cause power outages and tree damage.
Severity:  Severe    Effective:  March 31, 2026, 12:51 pm      Expires:  April 1, 2026, 6:15 am
Area:  Cascade County below 5000ft; Judith Basin County and Judith Gap; Fergus County below 4500ft; Little Belt and Highwood Mountains; Snowy and Judith Mountains; Big Belt, Bridger and Castle Mountains; Gallatin and Madison County Mountains and Centennial Mountains


Lake Wind Advisory issued March 31 at 12:25PM MDT until April 1 at 10:00AM MDT by NWS Glasgow MT

Summary: * WHAT...East southeast winds 15 to 25 mph with gusts up to 35 mph expected. * WHERE...Fort Peck Lake. * WHEN...From 10 PM this evening to 10 AM MDT Wednesday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft.
Severity:  Moderate    Effective:  March 31, 2026, 12:25 pm      Expires:  April 1, 2026, 4:45 am
Area:  Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone


Winter Storm Watch issued March 31 at 10:34AM MDT until April 3 at 6:00AM MDT by NWS Missoula MT

Summary: * WHAT...Heavy snow possible. There is a chance of moderate to major winter weather impacts. Total snow accumulations between 6 and 12 inches possible for terrain above 5500 feet, including MacDonald Pass, Homestake Pass, Lost Trail Pass and Lolo Pass. 2 to 6 inches possible down to 3000 feet, including Butte, Seeley Lake and Anaconda. Winds could gust as high as 35 mph. * WHERE...Butte, Highway 12 Garrison to Elliston, I-90 East Missoula to Bearmouth, Georgetown Lake, Highway 93 Sula to Lost Trail Pass, Highway 83 Seeley Lake to Condon, Lolo Pass, MacDonald Pass, Homestake Pass, and Highway 200 Bonner to Greenough. * WHEN...From Thursday morning through late Thursday night. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Thursday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...Heavy, wet snow may cause power outages and tree damage.
Severity:  Severe    Effective:  March 31, 2026, 10:34 am      Expires:  April 1, 2026, 3:45 pm
Area:  Bitterroot/Sapphire Mountains; Butte/Blackfoot Region; Potomac/Seeley Lake Region