Alerts from NWS Great Falls MT (UNOFFICIAL)
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Alerts from NWS Great Falls MT (UNOFFICIAL)
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Special Weather Statement issued December 6 at 7:07AM MST by NWS Great Falls MT
Additional Details Here.
Locally dense fog will affect portions of Cascade and Teton county through this morning. Visibility will below a quarter of a mile at times with improvement by around 10 AM MST. Those traveling early this morning should be alert for areas of poor visibility because of the dense fog. In addition roads are locally icy from recent precipitation and subfreezing temperatures.
December 6, 2025 at 2:15 PM
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Special Weather Statement issued December 6 at 4:46AM MST by NWS Great Falls MT
Additional Details Here.
Areas of dense fog will affect areas around Dutton and Great Falls through this morning. Visibility will below a quarter of a mile at times. Those traveling early this morning should be alert for areas of poor visibility because of the dense fog.
December 6, 2025 at 12:00 PM
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🚨 Winter Storm Warning issued December 6 at 3:46AM MST until December 6 at 9:00PM MST by NWS Great Falls MT 🚨
Additional Details Here.(2/2)
* WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Portions of central and north central Montana. * WHEN...Until 11 AM MST this morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * WHAT...Snow. Additional snow accumulations 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...Elkhorn and Boulder Mountains and Upper Blackfoot and MacDonald Pass. * WHEN...Until 11 AM MST this morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
December 6, 2025 at 11:00 AM
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🚨 Winter Storm Warning issued December 6 at 3:46AM MST until December 6 at 9:00PM MST by NWS Great Falls MT 🚨
Additional Details Here.
(1/2)
* WHAT...Heavy snow. Additional snow accumulations 3 to 6 inches. Winds gusting as high as 45 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 9 PM MST this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * WHAT...Heavy snow. Additional snow accumulations 3 to 6 inches. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Little Belt and Highwood Mountains. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * WHAT...Heavy snow. Additional snow accumulations 4 to 9 inches. Winds gusting as high as 50 mph. * WHERE...Northwest Beaverhead County. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * WHAT...Snow. Additional snow accumulations 3 to 7 inches. Winds gusting as high as 55 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 9 PM MST this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
December 6, 2025 at 11:00 AM
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Special Weather Statement issued December 5 at 8:27PM MST by NWS Great Falls MT
Additional Details Here.
A band of primarily light snow has developed across portions of the plains this evening. While this band is forecast to shift eastward later this evening and into the overnight, light accumulations will be possible in areas along I-15 on the plains and across the MT-200 corridor east of Great Falls into Judith Basin County through the remainder of the evening. Those with travel plans in these areas should be prepared for winter driving conditions.
December 6, 2025 at 3:30 AM
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🚨 Winter Storm Warning issued December 5 at 5:18PM MST until December 6 at 2:00PM MST by NWS Great Falls MT 🚨
Additional Details Here.(2/2)
* WHAT...Snow expected. Total snow accumulations between 3 and 8 inches. Winds gusting as high as 45 mph. * WHERE...Elkhorn and Boulder Mountains. * WHEN...Until 11 AM MST Saturday. * IMPACTS...Travel could be very difficult. Blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * WHAT...Snow expected. Total snow accumulations 1 to 4 inches at lower elevations and up to 8 inches in the mountains. * WHERE...Portions of central and north central Montana. * WHEN...Until 11 AM MST Saturday. * IMPACTS...Plan on slippery road conditions.
December 6, 2025 at 12:30 AM
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🚨 Winter Storm Warning issued December 5 at 5:18PM MST until December 6 at 2:00PM MST by NWS Great Falls MT 🚨
Additional Details Here.
(1/2)
* WHAT...Heavy snow. Additional snow accumulations between 4 and 11 inches. Isolated higher amounts. Winds gusting as high as 45 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 2 PM MST Saturday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Significant travel impacts to the Friday evening commute are possible for Bozeman Pass and along Highway 191 south of Bozeman. * WHAT...Heavy snow. Additional snow accumulations between 5 and 13 inches. Isolated higher amounts. Winds gusting as high as 50 mph. * WHERE...Northwest Beaverhead County. * WHEN...Until 5 PM MST Saturday. * 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. Blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * WHAT...Snow expected. Total snow accumulations between 3 and 7 inches, with higher amounts above pass level. Winds gusting as high as 45 mph. * WHERE...Upper Blackfoot and MacDonald Pass. * WHEN...Until 11 AM MST Saturday. * IMPACTS...Travel could be very difficult. Blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * WHAT...Snow expected. Total snow accumulations of 4 to 9 inches. Isolated higher amounts. Winds gusting as high as 55 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 9 PM MST Saturday. * 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. Blowing snow could significantly reduce visibility. Strong winds could cause tree damage.
December 6, 2025 at 12:30 AM
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🚨 Winter Storm Warning issued December 5 at 1:10PM MST until December 6 at 2:00PM MST by NWS Great Falls MT 🚨
Additional Details Here.(2/2)
* WHAT...Snow expected. Total snow accumulations 1 to 3 inches at lower elevations and up to 8 inches in the mountains. * WHERE...Portions of central and north central Montana. * WHEN...From 7 PM this evening to 11 AM MST Saturday. * IMPACTS...Plan on slippery road conditions.
December 5, 2025 at 8:15 PM
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🚨 Winter Storm Warning issued December 5 at 1:10PM MST until December 6 at 2:00PM MST by NWS Great Falls MT 🚨
Additional Details Here.
(1/2)
* WHAT...Heavy snow. Additional snow accumulations between 4 and 11 inches. Isolated higher amounts. Winds gusting as high as 45 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 2 PM MST Saturday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Significant travel impacts to the Friday evening commute are possible for Bozeman Pass and along Highway 191 south of Bozeman. * WHAT...Heavy snow. Additional snow accumulations between 5 and 13 inches. Isolated higher amounts. Winds gusting as high as 50 mph. * WHERE...Northwest Beaverhead County. * WHEN...Until 5 PM MST Saturday. * 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. Blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * WHAT...Snow expected. Total snow accumulations of 4 to 9 inches. Isolated higher amounts. Winds gusting as high as 60 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From 5 PM this afternoon to 9 PM MST Saturday. * 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. Blowing snow could significantly reduce visibility. Strong winds could cause tree damage. * WHAT...Snow expected. Total snow accumulations between 3 and 8 inches. Winds gusting as high as 45 mph. * WHERE...Elkhorn and Boulder Mountains. * WHEN...From 4 PM this afternoon to 11 AM MST Saturday. * IMPACTS...Travel could be very difficult. Blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches.
December 5, 2025 at 8:15 PM
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🚨 Winter Storm Warning issued December 5 at 7:52AM MST until December 6 at 2:00PM MST by NWS Great Falls MT 🚨
Additional Details Here.(1/2)
* WHAT...Heavy snow. Additional snow accumulations between 6 and 12 inches. Isolated higher amounts. Winds gusting as high as 45 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 2 PM MST Saturday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Widespread blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Significant travel impacts to the Friday commutes are possible for Bozeman Pass and along Highway 191 south of Bozeman. * WHAT...Heavy snow. Additional snow accumulations between 8 and 16 inches. Isolated higher amounts. Winds gusting as high as 50 mph. * WHERE...Northwest Beaverhead County. * WHEN...Until 5 PM MST Saturday. * 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. Widespread blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * WHAT...Snow expected. Total snow accumulations 1 to 3 inches at lower elevations and up to 8 inches in the mountains. * WHERE...Portions of central and north central Montana. * WHEN...From 8 PM this evening to 5 AM MST Saturday. * IMPACTS...Plan on slippery road conditions. * WHAT...Heavy snow possible. Total snow accumulations 8 to 15 inches possible. Winds could gust as high as 60 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From 5 PM MST this afternoon through Sunday morning. * 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. Widespread blowing snow could significantly reduce visibility. Strong winds could cause tree damage.
December 5, 2025 at 3:00 PM
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Special Weather Statement issued December 5 at 5:32AM MST by NWS Great Falls MT
Additional Details Here.
A band of snow is expected to move from east to west across the area early this evening. This band of snow should arrive along the Rocky Mountain Front between 4 and 5 PM, then move eastward across the Dillon, Boulder, Helena, Great Falls, Bozeman and Cut Bank areas between 5 PM and 11 PM this evening. Expect a quick burst of snow and gusty winds as this band of snow moves through. There is the potential that if the snow is heavy enough and arrives early this evening, that snow squall warnings could be issued. Do expect winds gusting over 40 mph for a short time when the snow moves through, which will also reduce visibility. Those that have outdoor plans this evening or plan to travel, should check later forecasts for updated timing of when this band of snowfall will move through.
December 5, 2025 at 12:45 PM
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🚨 Winter Storm Warning issued December 5 at 3:44AM MST until December 6 at 2:00PM MST by NWS Great Falls MT 🚨
Additional Details Here.(2/2)
* WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Gallatin Valley. * WHEN...Until 11 AM MST this morning. * IMPACTS...Plan on slippery road conditions. * WHAT...Heavy snow possible. Total snow accumulations 8 to 15 inches possible. Winds could gust as high as 60 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From this afternoon through Sunday morning. * 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. Widespread blowing snow could significantly reduce visibility. Strong winds could cause tree damage.
December 5, 2025 at 11:00 AM
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🚨 Winter Storm Warning issued December 5 at 3:44AM MST until December 6 at 2:00PM MST by NWS Great Falls MT 🚨
Additional Details Here.
(1/2)
* WHAT...Heavy snow. Additional snow accumulations between 6 and 12 inches. Isolated higher amounts. Winds gusting as high as 45 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 2 PM MST Saturday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Widespread blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * WHAT...Heavy snow. Additional snow accumulations between 10 and 18 inches. Isolated higher amounts. Winds gusting as high as 50 mph. * WHERE...Northwest Beaverhead County. * WHEN...Until 5 PM MST Saturday. * 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. Widespread blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * WHAT...Snow expected. Total snow accumulations 1 to 3 inches at lower elevations and up to 8 inches in the mountains. * WHERE...Portions of central and north central Montana. * WHEN...From 8 PM this evening to 5 AM MST Saturday. * IMPACTS...Plan on slippery road conditions. * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Elkhorn and Boulder Mountains. * WHEN...Until 11 AM MST this morning. * IMPACTS...Plan on slippery road conditions.
December 5, 2025 at 11:00 AM
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🚨 Winter Storm Warning issued December 4 at 1:46PM MST until December 6 at 5:00PM MST by NWS Great Falls MT 🚨
Additional Details Here.(2/2)
...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES THROUGH THE SATURDAY... .The first round of heavy snow is expected to last through early Friday morning and will primarily focus on the mountains of central and southwest Montana with 4 to 8 inches possible along the mountain passes including Bozeman and Kings Hill Pass. A period of lighter snowfall is expected Friday morning and afternoon. The second and more widespread round of heavier snowfall is expected to arrive Friday evening and continue into Saturday evening with an additional 6 to 12 inches possible over the passes and higher amounts above pass level. * WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 55 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From Friday afternoon through Sunday morning. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Strong winds could cause tree damage.
December 4, 2025 at 9:00 PM
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🚨 Winter Storm Warning issued December 4 at 1:46PM MST until December 6 at 5:00PM MST by NWS Great Falls MT 🚨
Additional Details Here.
(1/2)
...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES THROUGH THE SATURDAY... .The first round of heavy snow is expected to last through early Friday morning and will primarily focus on the mountains of central and southwest Montana with 4 to 8 inches possible along the mountain passes including Bozeman and Kings Hill Pass. A period of lighter snowfall is expected Friday morning and afternoon. The second and more widespread round of heavier snowfall is expected to arrive Friday evening and continue into Saturday evening with an additional 6 to 12 inches possible over the passes and higher amounts above pass level. * WHAT...Heavy snow expected. Snowfall totals between 2 and 6 inches in the Big Hole Valley and between 8 and 15 inches at pass level. Winds gusting as high as 40 mph. * WHERE...Northwest Beaverhead County. * WHEN...From 5 PM this afternoon to 5 PM MST Saturday. * 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. Gusty winds could bring down tree branches. ...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES THROUGH THE SATURDAY... .The first round of heavy snow is expected to last through early Friday morning and will primarily focus on the mountains of central and southwest Montana with 4 to 8 inches possible along the mountain passes including Bozeman and Kings Hill Pass. A period of lighter snowfall is expected Friday morning and afternoon. The second and more widespread round of heavier snowfall is expected to arrive Friday evening and continue into Saturday evening with an additional 6 to 12 inches possible over the passes and higher amounts above pass level. * WHAT...Heavy snow expected. Snowfall totals between 8 and 12 inches at pass level and up to 24 inches above pass level. Winds gusting as high as 45 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 2 PM MST Saturday. * 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...Significant travel impacts to the Thursday and Friday commutes are possible for Bozeman Pass and along Highway 191 south of Bozeman. ...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES THROUGH THE SATURDAY... .The first round of heavy snow is expected to last through early Friday morning and will primarily focus on the mountains of central and southwest Montana with 4 to 8 inches possible along the mountain passes including Bozeman and Kings Hill Pass. A period of lighter snowfall is expected Friday morning and afternoon. The second and more widespread round of heavier snowfall is expected to arrive Friday evening and continue into Saturday evening with an additional 6 to 12 inches possible over the passes and higher amounts above pass level. * WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. * WHERE...Gallatin Valley. * WHEN...From 4 PM this afternoon to 11 AM MST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes. * ADDITIONAL DETAILS...There will be a lull in the snow Friday afternoon with another round of snow expected Friday evening into Saturday afternoon. ...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES THROUGH THE SATURDAY... .The first round of heavy snow is expected to last through early Friday morning and will primarily focus on the mountains of central and southwest Montana with 4 to 8 inches possible along the mountain passes including Bozeman and Kings Hill Pass. A period of lighter snowfall is expected Friday morning and afternoon. The second and more widespread round of heavier snowfall is expected to arrive Friday evening and continue into Saturday evening with an additional 6 to 12 inches possible over the passes and higher amounts above pass level. * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches. * WHERE...Elkhorn and Boulder Mountains. * WHEN...From 5 PM this afternoon to 11 AM MST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes.
December 4, 2025 at 9:00 PM
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🚨 Winter Storm Warning issued December 4 at 9:07AM MST until December 6 at 2:00PM MST by NWS Great Falls MT 🚨
Additional Details Here.
...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES THROUGH THE SATURDAY... .A series of winter storms will begin to push into North Central and Southwestern Montana today, with snow beginning over the higher terrain early this afternoon. Today's snowfall will focus on the Mountains of Central and South-Central Montana, with 4 to 8 inches over both Kings Hill and Bozeman Passes today, with higher amounts above pass level. A period of lighter snowfall is expected Friday morning and afternoon, with more widespread heavy snow returning to the area around sunset Friday. Snow will continue across the area Friday night into Saturday evening, with an additional 6 to 12 inches expected over the passes and higher amounts above pass level. * WHAT...Heavy snow expected. Snowfall totals of 4 to 8 inches at pass level through tonight with an additional 5 to 12 inches at and above pass level Friday and Saturday. Total snow accumulations between 10 and 20 inches. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 2 PM MST Saturday. * 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...Significant travel impacts to the Thursday and Friday commutes are possible for Bozeman Pass and along Highway 191 south of Bozeman. ...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES THROUGH THE SATURDAY... .A series of winter storms will begin to push into North Central and Southwestern Montana today, with snow beginning over the higher terrain early this afternoon. Today's snowfall will focus on the Mountains of Central and South-Central Montana, with 4 to 8 inches over both Kings Hill and Bozeman Passes today, with higher amounts above pass level. A period of lighter snowfall is expected Friday morning and afternoon, with more widespread heavy snow returning to the area around sunset Friday. Snow will continue across the area Friday night into Saturday evening, with an additional 6 to 12 inches expected over the passes and higher amounts above pass level. * WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, and Northwest Beaverhead County. * WHEN...From late tonight through Saturday afternoon. * 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.
December 4, 2025 at 4:15 PM
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🚨 Winter Storm Warning issued December 4 at 2:19AM MST until December 6 at 5:00AM MST by NWS Great Falls MT 🚨
Additional Details Here.
...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES THROUGH THE SATURDAY... .A series of winter storms will begin to push into North Central and Southwestern Montana today, with snow beginning over the higher terrain early this afternoon. Today's snowfall will focus on the Mountains of Central and South-Central Montana, with 4 to 8 inches over both Kings Hill and Bozeman Passes today, with higher amounts above pass level. A period of lighter snowfall is expected Friday morning and afternoon, with more widespread heavy snow returning to the area around sunset Friday. Snow will continue across the area Friday night into Saturday evening, with an additional 6 to 12 inches expected over the passes and higher amounts above pass level. * WHAT...Heavy snow expected. Snowfall totals of 4 to 8 inches at pass level through tonight with an additional 5 to 12 inches at and above pass level Friday and Saturday. Total snow accumulations between 10 and 20 inches. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 11 AM this morning to 5 AM MST Saturday. * 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...Significant travel impacts to the Thursday and Friday commutes are possible for Bozeman Pass and along Highway 191 south of Bozeman. ...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES THROUGH THE SATURDAY... .A series of winter storms will begin to push into North Central and Southwestern Montana today, with snow beginning over the higher terrain early this afternoon. Today's snowfall will focus on the Mountains of Central and South-Central Montana, with 4 to 8 inches over both Kings Hill and Bozeman Passes today, with higher amounts above pass level. A period of lighter snowfall is expected Friday morning and afternoon, with more widespread heavy snow returning to the area around sunset Friday. Snow will continue across the area Friday night into Saturday evening, with an additional 6 to 12 inches expected over the passes and higher amounts above pass level. * WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, and Northwest Beaverhead County. * WHEN...From late tonight through Saturday afternoon. * 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.
December 4, 2025 at 9:30 AM
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Special Weather Statement issued December 3 at 5:46PM MST by NWS Great Falls MT
Additional Details Here.
Fog, locally dense in low lying areas, has developed across portions of Toole, Liberty, and Pondera Counties; including portions of the I-15 and US Hwy 2 corridors. Travelers can generally expect visibilities of between one to three miles across the aforementioned areas, with localized reductions to one quarter of a mile. Additionally, with temperatures below freezing elevated surfaces like bridges and overpasses are likely to become slippery. Travelers should be prepared for rapidly changing conditions. Slow down, allow extra spacing between vehicles, and use low beam headlights when driving through fog.
December 4, 2025 at 1:00 AM
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🚨 Winter Storm Watch issued December 3 at 1:33PM MST until December 6 at 5:00AM MST by NWS Great Falls MT 🚨
Additional Details Here.
* WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From Thursday afternoon through late Friday night. * 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...Significant travel impacts to the Thursday and Friday commutes are possible for Bozeman Pass and along Highway 191 south of Bozeman. * WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, and Northwest Beaverhead County. * WHEN...From late Thursday night through Saturday afternoon. * 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.
December 3, 2025 at 8:45 PM
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Special Weather Statement issued December 3 at 7:40AM MST by NWS Great Falls MT
Additional Details Here.
Patchy dense freezing fog is possible across portions of north- central Montana this morning. Reduced visibility, in combination with icy roads, may make travel difficult at times. Motorists should be prepared for sudden changes in visibility and road conditions.
December 3, 2025 at 2:45 PM
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🚨 Winter Storm Warning issued December 3 at 2:25AM MST until December 3 at 5:00AM MST by NWS Great Falls MT 🚨
Additional Details Here.
* WHAT...Heavy snow. Additional snow accumulations up to one inch. * WHERE...Fergus County below 4500ft. * WHEN...Until 5 AM MST early this morning. * IMPACTS...Plan on slippery road conditions. * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Portions of central and north central Montana. * WHEN...Until 5 AM MST early this morning. * IMPACTS...Plan on slippery road conditions. * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...The Highwood, Little Belt, Judith, and Snowy Mountains, Big Belt, Bridger and Castle Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 5 AM MST early this morning. * IMPACTS...Plan on slippery road conditions.
December 3, 2025 at 9:30 AM
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🚨 Winter Storm Warning issued December 2 at 6:56PM MST until December 3 at 5:00AM MST by NWS Great Falls MT 🚨
Additional Details Here.(2/2)
* WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Northwest Beaverhead County. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Wet road surfaces will quickly refreeze.
December 3, 2025 at 2:00 AM
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🚨 Winter Storm Warning issued December 2 at 12:25PM MST until December 3 at 5:00AM MST by NWS Great Falls MT 🚨
Additional Details Here.(2/2)
* WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...Northwest Beaverhead County. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions.
December 2, 2025 at 7:30 PM
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🚨 Winter Storm Warning issued December 2 at 12:25PM MST until December 3 at 5:00AM MST by NWS Great Falls MT 🚨
Additional Details Here.
(1/2)
* WHAT...Heavy snow. Additional snow accumulations up to four inches. * WHERE...Fergus County below 4500ft. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Roads will be snow packed and icy with significant visibility reductions. * ADDITIONAL DETAILS...5 inches of snow have already fallen. The hazardous conditions will impact the Tuesday evening commute. * WHAT...Snow. Additional snow accumulations between 1 and 3 inches at and below pass level, with higher amounts in the higher terrain of the backcountry. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions. * WHAT...Snow. Additional snow accumulations up to 4 inches. * WHERE...Portions of central and north central Montana. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening commute. * WHAT...Snow. Additional snow accumulations between 2 and 4 inches for most passes, but 5 to 8 inches at Kings Hill Pass. * WHERE...The Highwood, Little Belt, Judith, and Snowy Mountains, Big Belt, Bridger and Castle Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions and periods of lower visibility.
December 2, 2025 at 7:30 PM
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Winter Weather Advisory issued December 2 at 12:07PM MST until December 2 at 11:00PM MST by NWS Great Falls MT
Additional Details Here.(1/2)
* WHAT...Snow. Additional snow accumulations between 1 and 3 inches at and below pass level, with higher amounts in the higher terrain of the backcountry. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions. * WHAT...Snow. Additional snow accumulations up to 3 inches. * WHERE...Portions of central and north central Montana. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions, particularly on Interstate 15 between Boulder and Helena. * WHAT...Snow. Additional snow accumulations between 2 and 4 inches for most passes, but 5 to 8 inches at Kings Hill Pass. * WHERE...The Highwood, Little Belt, Judith, and Snowy Mountains, Big Belt, Bridger and Castle Mountains, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions and periods of lower visibility. * WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...Northwest Beaverhead County. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions.
December 2, 2025 at 7:15 PM