Weather Warnings for Montana

Issued by the National Weather Service

Current watches, warnings, and advisories for Montana
Alerts Updated: April 3, 2026, 12:00 pm  UTC


Winter Storm Warning issued April 3 at 5:40AM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Heavy snow. Additional snow accumulations up to 2 inches. Winds gusting as high as 30 mph. * WHERE...Big Belt, Bridger and Castle Mountains. * WHEN...Until noon MDT today. * IMPACTS...Plan on slushy and slippery road conditions. Blowing snow may reduce visibility. The wet and heavy nature of the snow may result in a few power outages. Tire chains may be required over passes.
Severity:  Severe    Effective:  April 3, 2026, 5:40 am      Expires:  April 3, 2026, 12:00 pm
Area:  Big Belt, Bridger and Castle Mountains


Winter Weather Advisory issued April 3 at 5:40AM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Snow. Additional snow accumulations up to 2 inches. * WHERE...Gallatin Valley. * WHEN...Until noon MDT today. * IMPACTS...Plan on slushy and slippery road conditions. The hazardous conditions could impact the Friday morning commute.
Severity:  Moderate    Effective:  April 3, 2026, 5:40 am      Expires:  April 3, 2026, 12:00 pm
Area:  Gallatin Valley


Winter Weather Advisory issued April 3 at 5:40AM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Snow. Additional snow accumulations up to 2 inches. * WHERE...Snowy and Judith Mountains, Cascade County below 5000ft, Fergus County below 4500ft, and Judith Basin County and Judith Gap. * WHEN...Until noon MDT today. * IMPACTS...Plan on slushy and slippery road conditions. Blowing snow could reduce visibility. The hazardous conditions could impact the Friday morning commute. The heavy and wet nature of the snow may result in additional power outages.
Severity:  Moderate    Effective:  April 3, 2026, 5:40 am      Expires:  April 3, 2026, 12:00 pm
Area:  Cascade County below 5000ft; Judith Basin County and Judith Gap; Fergus County below 4500ft; Snowy and Judith Mountains


Winter Storm Warning issued April 3 at 5:40AM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Heavy snow. Additional snow accumulations up to 2 inches inches. Winds gusting as high as 30 mph. * WHERE...Little Belt and Highwood Mountains and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until noon MDT today. * IMPACTS...Travel could be very difficult. Areas of blowing snow could reduce visibility. A few power outages from the wet and heavy snow will be possible. Tire chains may be required over passes.
Severity:  Severe    Effective:  April 3, 2026, 5:40 am      Expires:  April 3, 2026, 12:00 pm
Area:  Little Belt and Highwood Mountains; Gallatin and Madison County Mountains and Centennial Mountains


Winter Weather Advisory issued April 3 at 5:40AM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Elkhorn and Boulder Mountains and Upper Blackfoot and MacDonald Pass. * WHEN...Until noon MDT today. * IMPACTS...Plan on slushy and slippery road conditions. Blowing snow may reduce visibility. The wet and heavy nature of the snow may result in a few power outages. Tire chains may be required over passes.
Severity:  Moderate    Effective:  April 3, 2026, 5:40 am      Expires:  April 3, 2026, 12:00 pm
Area:  Upper Blackfoot and MacDonald Pass; Elkhorn and Boulder Mountains


Winter Weather Advisory issued April 3 at 5:28AM MDT until April 3 at 12:00PM MDT by NWS Missoula MT

Summary: * WHAT...Snow. There is a likelihood of developing or ongoing minor winter weather impacts. Additional snow accumulations up to one inch. * WHERE...Highway 83 Seeley Lake to Condon, Highway 200 Bonner to Greenough, and I-90 East Missoula to Bearmouth. * WHEN...Until noon MDT today. * IMPACTS...Winter traveling conditions. For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Friday morning commute, especially over higher passes.
Severity:  Moderate    Effective:  April 3, 2026, 5:28 am      Expires:  April 3, 2026, 12:00 pm
Area:  Potomac/Seeley Lake Region


Winter Weather Advisory issued April 3 at 5:28AM MDT until April 3 at 12:00PM MDT by NWS Missoula MT

Summary: * WHAT...Snow. There is a likelihood of developing or ongoing minor to moderate winter weather impacts. Additional snow accumulations up to two inch. * WHERE...Butte, MacDonald Pass, Highway 12 Garrison to Elliston, Georgetown Lake, and Homestake Pass. * WHEN...Until noon MDT today. * IMPACTS...Winter traveling conditions. For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Friday morning commute, especially over higher passes. * ADDITIONAL DETAILS...MacDonald and Homestake Passes will continue to have winter weather impacts through this morning.
Severity:  Moderate    Effective:  April 3, 2026, 5:28 am      Expires:  April 3, 2026, 12:00 pm
Area:  Butte/Blackfoot Region


Winter Weather Advisory issued April 3 at 4:09AM MDT until April 3 at 6:00PM MDT by NWS Glasgow MT

Summary: * WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...A portion of northeast Montana. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning and evening commutes.
Severity:  Moderate    Effective:  April 3, 2026, 4:09 am      Expires:  April 3, 2026, 12:00 pm
Area:  Central and Southern Valley; Daniels; Sheridan; Western Roosevelt; Garfield; McCone; Northern Valley; Eastern Roosevelt


Winter Weather Advisory issued April 3 at 4:09AM MDT until April 3 at 12:00PM MDT by NWS Glasgow MT

Summary: * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Phillips County. * WHEN...Until noon MDT today. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute.
Severity:  Moderate    Effective:  April 3, 2026, 4:09 am      Expires:  April 3, 2026, 12:00 pm
Area:  Central and Southeast Phillips; Northern Phillips; Southwest Phillips


Winter Weather Advisory issued April 3 at 4:09AM MDT until April 4 at 12:00AM MDT by NWS Glasgow MT

Summary: * WHAT...Snow. Additional snow accumulations between 2 and 4 inches. * WHERE...Dawson and Prairie Counties. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning and evening commutes.
Severity:  Moderate    Effective:  April 3, 2026, 4:09 am      Expires:  April 3, 2026, 12:00 pm
Area:  Dawson; Prairie


Winter Weather Advisory issued April 3 at 4:09AM MDT until April 4 at 12:00AM MDT by NWS Glasgow MT

Summary: * WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...Richland County. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning and evening commutes.
Severity:  Moderate    Effective:  April 3, 2026, 4:09 am      Expires:  April 3, 2026, 12:00 pm
Area:  Richland


Winter Storm Warning issued April 3 at 4:09AM MDT until April 4 at 6:00AM MDT by NWS Glasgow MT

Summary: * WHAT...Heavy snow. Additional snow accumulations between 2 and 4 inches. * WHERE...Wibaux County. * WHEN...Until 6 AM MDT Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning and evening commutes.
Severity:  Severe    Effective:  April 3, 2026, 4:09 am      Expires:  April 3, 2026, 12:00 pm
Area:  Wibaux


Winter Storm Warning issued April 2 at 7:41PM MDT until April 3 at 6:00PM MDT by NWS Billings MT

Summary: * WHAT...Heavy snow accumulations of 1 to 2 feet expected, greatest on north and west facing aspects. Winds gusting as high as 45 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 6 PM MDT Friday. * IMPACTS...Recreation in the high country will become difficult and hazardous. Avalanche danger will increase. * ADDITIONAL DETAILS...The heaviest snow is expected tonight into Friday morning. Snowfall for north and west facing slopes could exceed 2 feet on the highest peaks.
Severity:  Severe    Effective:  April 2, 2026, 7:41 pm      Expires:  April 3, 2026, 6:00 pm
Area:  Absaroka/Beartooth Mountains; Crazy Mountains


Winter Storm Warning issued April 2 at 7:41PM MDT until April 4 at 12:00AM MDT by NWS Billings MT

Summary: * WHAT...Heavy snow expected. Total snow accumulations between 3 and 8 inches. Locally higher snowfall up to 12 inches possible for the higher hills and Wolf Mountains. Winds gusting as high as 45 mph. * WHERE...In Montana, Bighorn Canyon, Southern Big Horn, and Southern Rosebud. In Wyoming, Sheridan Foothills. * WHEN...Until midnight MDT Friday Night. * IMPACTS...Travel could be very difficult on I-90 from Lodge Grass to Sheridan, and US-212 over Lame Deer Divide, due to snow, areas of blowing snow and poor visibility. Cool, wet and windy conditions will be hazardous for young livestock. * ADDITIONAL DETAILS...Rain showers will change over to snow tonight.
Severity:  Severe    Effective:  April 2, 2026, 7:41 pm      Expires:  April 3, 2026, 7:45 pm
Area:  Southern Rosebud; Southern Big Horn; Bighorn Canyon; Sheridan Foothills


Winter Weather Advisory issued April 2 at 7:41PM MDT until April 3 at 6:00PM MDT by NWS Billings MT

Summary: * WHAT...Snow expected. Total snow accumulations of 1 to 4 inches, greatest over the hills south of the Yellowstone River. Winds gusting as high as 35 mph. * WHERE...Northeastern Yellowstone, Northern Big Horn, Treasure, and Northern Rosebud. * WHEN...Until 6 PM MDT Friday. * IMPACTS...Travel could be difficult due to snow, localized blowing snow and poor visibility. This includes I-90 east of Arrow Creek Hill to Hardin and I-94 to Hysham and Forsyth. Cool, wet, and breezy conditions will be hazardous for young livestock. * ADDITIONAL DETAILS...The heaviest snow is expected tonight into Friday morning.
Severity:  Moderate    Effective:  April 2, 2026, 7:41 pm      Expires:  April 3, 2026, 6:00 pm
Area:  Treasure; Northern Rosebud; Northern Big Horn; Northeastern Yellowstone


Winter Storm Warning issued April 2 at 7:41PM MDT until April 3 at 6:00PM MDT by NWS Billings MT

Summary: * WHAT...Heavy snow accumulations of 1 to 2 feet expected. Winds could gust as high as 50 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...Until 6 PM MDT Friday. * IMPACTS...Travel on Highway 14 through Burgess Junction could become nearly impossible, due to snow, blowing and drifting snow, and poor visibility. Recreation in the high country will become very difficult and hazardous. Avalanche danger will increase. * ADDITIONAL DETAILS...The heaviest snow is expected tonight through midday Friday. The highest peaks of the northern Bighorns and Pryors could see snow totals in excess of 24 inches.
Severity:  Severe    Effective:  April 2, 2026, 7:41 pm      Expires:  April 3, 2026, 6:00 pm
Area:  Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains


Winter Weather Advisory issued April 2 at 7:41PM MDT until April 4 at 12:00AM MDT by NWS Billings MT

Summary: * WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. Winds gusting as high as 30 mph. * WHERE...Custer. * WHEN...Until midnight MDT Friday Night. * IMPACTS...Travel will impacted by snow and poor visibility. This includes I-94 through Miles City and US-12 east of Miles City over Government Hill. Cool, wet and windy conditions will be hazardous for young livestock. * ADDITIONAL DETAILS...Heaviest snow is expected late tonight through Friday morning.
Severity:  Moderate    Effective:  April 2, 2026, 7:41 pm      Expires:  April 3, 2026, 7:45 pm
Area:  Custer


Winter Weather Advisory issued April 2 at 7:41PM MDT until April 3 at 12:00PM MDT by NWS Billings MT

Summary: * WHAT...Snow and gusty north winds expected. Total snow accumulations of 1 to 4 inches. Winds gusting as high as 50 mph. * WHERE...Judith Gap. * WHEN...Until noon MDT Friday. * IMPACTS...Travel on US-191 through Judith Gap will impacted by snow, periodic blowing snow and poor visibility. Cool, wet and windy conditions will be hazardous for young livestock. * ADDITIONAL DETAILS...Heaviest snow is expected tonight through early Friday morning.
Severity:  Moderate    Effective:  April 2, 2026, 7:41 pm      Expires:  April 3, 2026, 12:00 pm
Area:  Judith Gap


Winter Weather Advisory issued April 2 at 7:41PM MDT until April 3 at 12:00PM MDT by NWS Billings MT

Summary: * WHAT...Snow occurring. Total snow accumulations between 2 and 4 inches. Locally greater amounts on higher west-facing slopes of the Paradise Valley. * WHERE...Paradise Valley. * WHEN...Until noon MDT Friday. * IMPACTS...Travel on US-89 through the Paradise Valley will impacted by snow and poor visibility. Cool, wet and windy conditions will be hazardous for young livestock.
Severity:  Moderate    Effective:  April 2, 2026, 7:41 pm      Expires:  April 3, 2026, 12:00 pm
Area:  Paradise Valley


Winter Storm Warning issued April 2 at 7:41PM MDT until April 4 at 6:00AM MDT by NWS Billings MT

Summary: * WHAT...Heavy snow expected. Total snow accumulations between 3 and 8 inches. Winds gusting as high as 30 mph. * WHERE...Carter, Fallon, and Powder River. * WHEN...From midnight tonight to 6 AM MDT Saturday. * IMPACTS...Travel will be difficult due to snow, areas of blowing snow and poor visibility, especially over the higher hills. This includes Highway 12 from Miles City to Baker, and US-212 from Broadus to Alzada. Cool, wet, and windy conditions will be hazardous for young livestock. * ADDITIONAL DETAILS...The heaviest snow is expected late tonight through Friday.
Severity:  Severe    Effective:  April 2, 2026, 7:41 pm      Expires:  April 3, 2026, 7:45 pm
Area:  Fallon; Powder River; Carter