Weather Warnings for Montana

Issued by the National Weather Service

Current watches, warnings, and advisories for Montana
Alerts Updated: April 2, 2026, 9:23 am  UTC


Winter Storm Warning issued April 2 at 3:23AM MDT until April 4 at 6:00AM MDT by NWS Billings MT

Summary: * WHAT...Heavy snow expected. Total snow accumulations between 4 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, 3:23 am      Expires:  April 3, 2026, 3:30 am
Area:  Fallon; Powder River; Carter


Winter Weather Advisory issued April 2 at 3:23AM 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, Southwestern Yellowstone, Treasure, and Northern Rosebud. * WHEN...From 6 PM this evening to 6 PM MDT Friday. * IMPACTS...Travel could be difficult due to snow, localized blowing snow and poor visibility. This includes I-90 from Billings 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, 3:23 am      Expires:  April 3, 2026, 3:30 am
Area:  Treasure; Northern Rosebud; Northern Big Horn; Northeastern Yellowstone; Southwestern Yellowstone


Winter Storm Warning issued April 2 at 3:23AM MDT until April 3 at 6:00PM MDT by NWS Billings MT

Summary: * WHAT...Heavy snow accumulations of 10 to 18 inches expected. Winds could gust as high as 45 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...From noon today to 6 PM MDT Friday. * IMPACTS...Recreation in the high country will become difficult and hazardous. * ADDITIONAL DETAILS...The heaviest snow is expected Thursday night and Friday morning.
Severity:  Severe    Effective:  April 2, 2026, 3:23 am      Expires:  April 3, 2026, 3:30 am
Area:  Absaroka/Beartooth Mountains; Crazy Mountains


Winter Storm Warning issued April 2 at 3:23AM MDT until April 3 at 6:00PM MDT by NWS Billings MT

Summary: * WHAT...Heavy snow accumulations of 10 to 20 inches expected. Winds could gust as high as 50 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From 6 PM this evening to 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. * ADDITIONAL DETAILS...The heaviest snow is expected Thursday night through midday Friday.
Severity:  Severe    Effective:  April 2, 2026, 3:23 am      Expires:  April 3, 2026, 3:30 am
Area:  Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains


Winter Storm Warning issued April 2 at 3:23AM MDT until April 4 at 12:00AM MDT by NWS Billings MT

Summary: * WHAT...Periods of moderate to heavy snow expected. Total snow accumulations between 3 and 8 inches, greatest over the higher hills. Winds gusting as high as 45 mph. * WHERE...In Montana, Bighorn Canyon, Southern Big Horn, and Southern Rosebud. In Wyoming, Sheridan Foothills. * WHEN...From 9 PM this evening to 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 this afternoon and evening will change to snow tonight.
Severity:  Severe    Effective:  April 2, 2026, 3:23 am      Expires:  April 3, 2026, 3:30 am
Area:  Southern Rosebud; Southern Big Horn; Bighorn Canyon; Sheridan Foothills


Winter Weather Advisory issued April 2 at 3:23AM MDT until April 4 at 12:00AM MDT by NWS Billings MT

Summary: * WHAT...Periods of snow expected. Total snow accumulations between 3 and 5 inches, greatest over the higher hills. Winds gusting as high as 30 mph. * WHERE...Custer. * WHEN...From 9 PM this evening to 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, 3:23 am      Expires:  April 3, 2026, 3:30 am
Area:  Custer


Winter Weather Advisory issued April 2 at 3:23AM MDT until April 3 at 12:00PM MDT by NWS Billings MT

Summary: * WHAT...Periods of snow expected. Total snow accumulations between 2 and 4 inches. Locally higher amounts along the western slopes of the Absaroka Mountains. * WHERE...Paradise Valley. * WHEN...From 6 PM this evening to 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, 3:23 am      Expires:  April 3, 2026, 3:30 am
Area:  Paradise Valley


Winter Weather Advisory issued April 2 at 3:23AM 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...From 6 PM this evening to 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, 3:23 am      Expires:  April 3, 2026, 3:30 am
Area:  Judith Gap


Winter Weather Advisory issued April 2 at 2:59AM MDT until April 4 at 12:00AM MDT by NWS Glasgow MT

Summary: * WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. Winds gusting as high as 35 mph. * WHERE...Dawson and Prairie Counties. * WHEN...From 6 PM this evening to midnight MDT Friday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning and evening commutes.
Severity:  Moderate    Effective:  April 2, 2026, 2:59 am      Expires:  April 2, 2026, 4:00 pm
Area:  Dawson; Prairie


Winter Weather Advisory issued April 2 at 2:59AM MDT until April 3 at 6:00PM MDT by NWS Glasgow MT

Summary: * WHAT...Snow expected. Total snow accumulations between 1 and 3 inches. * WHERE...Valley, Daniels, Sheridan, Roosevelt, Garfield, and McCone Counties. * WHEN...From 6 PM this evening to 6 PM MDT Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning and evening commutes.
Severity:  Moderate    Effective:  April 2, 2026, 2:59 am      Expires:  April 2, 2026, 4:00 pm
Area:  Central and Southern Valley; Daniels; Sheridan; Western Roosevelt; Garfield; McCone; Northern Valley; Eastern Roosevelt


Winter Weather Advisory issued April 2 at 2:59AM MDT until April 4 at 12:00AM MDT by NWS Glasgow MT

Summary: * WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. * WHERE...Richland County. * WHEN...From 6 PM this evening to midnight MDT Friday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning and evening commutes.
Severity:  Moderate    Effective:  April 2, 2026, 2:59 am      Expires:  April 2, 2026, 4:00 pm
Area:  Richland


Winter Weather Advisory issued April 2 at 2:59AM MDT until April 3 at 12:00PM MDT by NWS Glasgow MT

Summary: * WHAT...Snow expected. Total snow accumulations up to 3 inches. * WHERE...Southwest Phillips County. * WHEN...From 6 PM this evening to noon MDT Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning commute.
Severity:  Moderate    Effective:  April 2, 2026, 2:59 am      Expires:  April 2, 2026, 4:00 pm
Area:  Southwest Phillips


Winter Storm Warning issued April 2 at 2:59AM MDT until April 4 at 6:00AM MDT by NWS Glasgow MT

Summary: * WHAT...Heavy snow expected. Total snow accumulations between 4 and 6 inches. * WHERE...Wibaux County. * WHEN...From 6 PM this evening to 6 AM MDT Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes.
Severity:  Severe    Effective:  April 2, 2026, 2:59 am      Expires:  April 2, 2026, 4:00 pm
Area:  Wibaux


Lake Wind Advisory issued April 2 at 2:08AM MDT until April 3 at 12:00AM MDT by NWS Glasgow MT

Summary: * WHAT...East winds 15 to 25 mph with gusts up to 35 mph. * WHERE...Fort Peck Lake * WHEN...Until midnight MDT tonight. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Waves up to 4 feet are expected today.
Severity:  Moderate    Effective:  April 2, 2026, 2:08 am      Expires:  April 2, 2026, 4:00 pm
Area:  Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone


Winter Storm Warning issued April 2 at 12:05AM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Heavy snow expected. Total snow accumulations between 6 and 10 inches over Bozeman and Battle Ridge Passes. Winds gusting as high as 40 mph will create areas of blowing snow Thursday evening and overnight. * WHERE...Big Belt, Bridger and Castle Mountains. * WHEN...From 9 AM Thursday to noon MDT Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. * ADDITIONAL DETAILS...Snow accumulation on road surfaces may be limited through Thursday afternoon with increasing chances for travel impacts from snow accumulation and wind Thursday evening.
Severity:  Severe    Effective:  April 2, 2026, 12:05 am      Expires:  April 2, 2026, 3:30 pm
Area:  Big Belt, Bridger and Castle Mountains


Winter Weather Advisory issued April 2 at 12:05AM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Snow expected. Total snow accumulations 1 to 4 inches with highest amounts in areas adjacent to the Bridger and Gallatin Ranges. * WHERE...Gallatin Valley. * WHEN...From 3 PM Thursday to noon MDT Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes. * ADDITIONAL DETAILS...Initially wet or slushy road surfaces will become icy Thursday evening as temperatures cool below freezing.
Severity:  Moderate    Effective:  April 2, 2026, 12:05 am      Expires:  April 2, 2026, 3:30 pm
Area:  Gallatin Valley


Winter Storm Warning issued April 2 at 12:05AM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches with locally higher amounts above 7000 ft. Winds gusting as high as 35 mph will create areas of blowing and drifting snow Thursday night. * WHERE...Little Belt and Highwood Mountains and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 9 AM Thursday to noon MDT Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. * ADDITIONAL DETAILS...Snow accumulation on road surfaces may be limited through Thursday afternoon with increasing chances for travel impacts from snow accumulation and wind Thursday evening.
Severity:  Severe    Effective:  April 2, 2026, 12:05 am      Expires:  April 2, 2026, 3:30 pm
Area:  Little Belt and Highwood Mountains; Gallatin and Madison County Mountains and Centennial Mountains


Winter Weather Advisory issued April 2 at 12:05AM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Snow expected. Total snow accumulations between 1 and 4 inches with up to 6 inches from Belt to Raynesford and over the Lewistown Divide and Snowies. Winds gusting as high as 35 mph may create areas of blowing and drifting snow Thursday evening and overnight. * WHERE...Snowy and Judith Mountains, Cascade County below 5000ft, Fergus County below 4500ft, and Judith Basin County and Judith Gap. * WHEN...From 3 PM Thursday to noon MDT Friday. * IMPACTS...Initially wet or slushy road surfaces will become icy Thursday evening as temperatures cool below freezing. The hazardous conditions could impact the Thursday evening and Friday morning commutes.
Severity:  Moderate    Effective:  April 2, 2026, 12:05 am      Expires:  April 2, 2026, 3:30 pm
Area:  Cascade County below 5000ft; Judith Basin County and Judith Gap; Fergus County below 4500ft; Snowy and Judith Mountains


Winter Weather Advisory issued April 2 at 12:05AM MDT until April 3 at 6:00AM MDT by NWS Great Falls MT

Summary: * WHAT...Snow expected. Total snow accumulations between 3 and 6 inches with locally higher amounts above 7000 feet. Winds gusting as high as 40 mph may create areas of blowing and drifting snow Thursday evening. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, Elkhorn and Boulder Mountains, and Beaverhead County Mountains. * WHEN...From 6 AM Thursday to 6 AM MDT Friday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes.
Severity:  Moderate    Effective:  April 2, 2026, 12:05 am      Expires:  April 2, 2026, 3:30 pm
Area:  East Glacier Park Region; Southern Rocky Mountain Front; Upper Blackfoot and MacDonald Pass; Elkhorn and Boulder Mountains; Northwest Beaverhead County; Ruby Mountains and Southern Beaverhead Mountains


Winter Weather Advisory issued April 1 at 12:27PM MDT until April 3 at 12:00PM MDT by NWS Missoula MT

Summary: * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations between 2 and 4 inches for valleys. * WHERE...Highway 200 Bonner to Greenough, I-90 East Missoula to Bearmouth, and Highway 83 Seeley Lake to Condon. * WHEN...From 6 AM Thursday to noon MDT Friday. * 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. The hazardous conditions could impact the Thursday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...Heavy, wet snow may cause localized power outages and tree damage.
Severity:  Moderate    Effective:  April 1, 2026, 12:27 pm      Expires:  April 3, 2026, 6:00 am
Area:  Potomac/Seeley Lake Region


Winter Weather Advisory issued April 1 at 12:27PM MDT until April 3 at 12:00PM MDT by NWS Missoula MT

Summary: * WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations of 2 to 6 inches in the valleys. 5 to 10 inches between Essex and Marias Pass on Highway 2. * WHERE...Highway 83 Bigfork to Swan Lake, Polebridge, Essex, Glacier National Park, Marias Pass, and Bad Rock Canyon. * WHEN...From 6 AM Thursday to noon MDT Friday. * 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. * ADDITIONAL DETAILS...Localized heavier snowfall amounts are anticipated along Highway 83 between Ferndale and Swan Lake. Heavy, wet snow may cause localized power outages and tree damage.
Severity:  Moderate    Effective:  April 1, 2026, 12:27 pm      Expires:  April 3, 2026, 6:00 am
Area:  West Glacier Region


Winter Weather Advisory issued April 1 at 12:27PM MDT until April 3 at 6:00AM MDT by NWS Missoula MT

Summary: * WHAT...Snow expected. There is a likelihood of moderate weather impacts. Total snow accumulations between 5 and 10 inches above 4000 feet. 1 to 4 inches possible down to 3000 feet. * WHERE...Elk City, Dixie, Lolo Pass, Highway 93 Sula to Lost Trail Pass, and Highway 12 Lowell to Lolo Pass. * WHEN...From midnight MDT /11 PM PDT/ tonight to 6 AM MDT /5 AM PDT/ Friday. * 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. * ADDITIONAL DETAILS...Heavy, wet snow may cause localized power outages and tree damage.
Severity:  Moderate    Effective:  April 1, 2026, 12:27 pm      Expires:  April 3, 2026, 6:00 am
Area:  Southern Clearwater Mountains; Bitterroot/Sapphire Mountains


Winter Weather Advisory issued April 1 at 12:27PM MDT until April 3 at 6:00AM MDT by NWS Missoula MT

Summary: * WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations between 4 and 7 inches for Butte, Georgetown Lake, Homestake Pass and MacDonald Pass. 1 to 3 inches for the lower valleys. Winds gusting as high as 35 mph. * WHERE...Highway 12 Garrison to Elliston, Butte, MacDonald Pass, Homestake Pass, and Georgetown Lake. * WHEN...From 6 AM Thursday to 6 AM MDT Friday. * 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. The hazardous conditions could impact the Thursday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...Heavy snow showers may occur mid morning on Thursday, causing low visibility and quickly changing road conditions.
Severity:  Moderate    Effective:  April 1, 2026, 12:27 pm      Expires:  April 3, 2026, 6:00 am
Area:  Butte/Blackfoot Region