Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | Eastern Glacier, Western Toole, and Central Pondera; Eastern Pondera and Eastern Teton; Cascade County below 5000ft; Judith Basin County and Judith Gap |
| Effective: | 2025-12-05 @ 9:27 pm |
| Onset: | 2025-12-05 @ 9:27 pm -> 2025-12-06 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-05 @ 9:27 pm |
| Headline: | Special Weather Statement issued December 5 at 8:27PM MST by NWS Great Falls MT |
| Description: |
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. |
| Alert: | Winter Weather Advisory |
| Area(s): | East Glacier Park Region; Southern Rocky Mountain Front |
| Effective: | 2025-12-05 @ 6:18 pm -> 2025-12-06 @ 10:00 pm |
| Onset: | 2025-12-05 @ 6:18 pm -> 2025-12-06 @ 7:15 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-05 @ 6:18 pm |
| Headline: | Winter Weather Advisory issued December 5 at 5:18PM MST until December 6 at 9:00PM MST by NWS Great Falls MT |
| Description: |
* 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. |
| Alert: | Winter Weather Advisory |
| Area(s): | Eastern Toole and Liberty; Hill County; Northern Blaine County; Western and Central Chouteau County; Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft; Snowy and Judith Mountains |
| Effective: | 2025-12-05 @ 6:18 pm -> 2025-12-06 @ 12:00 pm |
| Onset: | 2025-12-05 @ 8:00 pm -> 2025-12-06 @ 7:15 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-05 @ 6:18 pm |
| Headline: | Winter Weather Advisory issued December 5 at 5:18PM MST until December 6 at 11:00AM MST by NWS Great Falls MT |
| Description: |
* 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. |
| Alert: | Winter Weather Advisory |
| Area(s): | Upper Blackfoot and MacDonald Pass |
| Effective: | 2025-12-05 @ 6:18 pm -> 2025-12-06 @ 12:00 pm |
| Onset: | 2025-12-05 @ 6:18 pm -> 2025-12-06 @ 7:15 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-05 @ 6:18 pm |
| Headline: | Winter Weather Advisory issued December 5 at 5:18PM MST until December 6 at 11:00AM MST by NWS Great Falls MT |
| Description: |
* 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. |
| Alert: | Winter Weather Advisory |
| Area(s): | Elkhorn and Boulder Mountains |
| Effective: | 2025-12-05 @ 6:18 pm -> 2025-12-06 @ 12:00 pm |
| Onset: | 2025-12-05 @ 6:18 pm -> 2025-12-06 @ 7:15 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-05 @ 6:18 pm |
| Headline: | Winter Weather Advisory issued December 5 at 5:18PM MST until December 6 at 11:00AM MST by NWS Great Falls MT |
| Description: |
* 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. |
| Alert: | Winter Storm Warning |
| Area(s): | Little Belt and Highwood Mountains; Big Belt, Bridger and Castle Mountains; Gallatin and Madison County Mountains and Centennial Mountains |
| Effective: | 2025-12-05 @ 6:18 pm -> 2025-12-06 @ 3:00 pm |
| Onset: | 2025-12-05 @ 6:18 pm -> 2025-12-06 @ 7:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-05 @ 6:18 pm |
| Headline: | Winter Storm Warning issued December 5 at 5:18PM MST until December 6 at 2:00PM MST by NWS Great Falls MT |
| Description: |
* 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. |
| Alert: | Winter Storm Warning |
| Area(s): | Northwest Beaverhead County |
| Effective: | 2025-12-05 @ 6:18 pm -> 2025-12-06 @ 6:00 pm |
| Onset: | 2025-12-05 @ 6:18 pm -> 2025-12-06 @ 7:15 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-05 @ 6:18 pm |
| Headline: | Winter Storm Warning issued December 5 at 5:18PM MST until December 6 at 5:00PM MST by NWS Great Falls MT |
| Description: |
* 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. |
| Alert: | Winter Weather Advisory |
| Area(s): | Flathead/Mission Valleys |
| Effective: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 12:00 am |
| Onset: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-05 @ 5:02 pm |
| Headline: | Winter Weather Advisory issued December 5 at 4:02PM MST until December 5 at 11:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Wet snow. There is a likelihood of developing or ongoing moderate winter weather impacts. Periods of heavy snow will quickly accumulated and cause rapidly changing conditions. Additional snow accumulations of 1 to 5 inches. * WHERE...Mission Valley, Flathead Valley, Polson, and Flathead Lake. * WHEN...Until 11 PM MST this evening. * 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 Friday evening commute, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | West Glacier Region |
| Effective: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 6:00 pm |
| Onset: | 2025-12-05 @ 6:00 pm -> 2025-12-06 @ 5:15 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-05 @ 5:02 pm |
| Headline: | Winter Weather Advisory issued December 5 at 4:02PM MST until December 6 at 5:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of moderate to isolated major winter weather impacts. Total snow accumulations 1 to 3 inches in the valleys and 5 to 8 inches in the higher terrain including Marias Pass. * WHERE...Essex, Marias Pass, Polebridge, Highway 83 Bigfork to Swan Lake, Glacier National Park, and Bad Rock Canyon. * WHEN...Until 5 PM MST Saturday. * 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 Friday evening commute, especially over higher passes. |
| Alert: | Winter Storm Warning |
| Area(s): | Potomac/Seeley Lake Region |
| Effective: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 6:00 pm |
| Onset: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 5:15 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-05 @ 5:02 pm |
| Headline: | Winter Storm Warning issued December 5 at 4:02PM MST until December 6 at 5:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Heavy snow. There is a likelihood of developing or ongoing major winter weather impacts to isolated extreme winter storm impacts. Additional snow accumulations of 5 to 10 inches. Winds gusting as high as 35 mph. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 5 PM MST Saturday. * IMPACTS...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. For EXTREME winter storm impacts, expect substantial disruptions to normal activities. Extremely dangerous or impossible traveling conditions. Travel in the impacted areas is not advised. Extensive and widespread closures and disruptions to infrastructure may occur. Life saving actions may be needed. The hazardous conditions could impact the Friday evening commute, especially over higher passes. |
| Alert: | Winter Storm Warning |
| Area(s): | Bitterroot/Sapphire Mountains |
| Effective: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 6:00 pm |
| Onset: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 5:15 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-05 @ 5:02 pm |
| Headline: | Winter Storm Warning issued December 5 at 4:02PM MST until December 6 at 5:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Heavy snow expected. There is a likelihood of major winter storm impacts. Total snow accumulations 1 to 5 inches in the valleys and 8 to 15 inches in the higher terrain including Lolo and Lost Trail Passes. Winds gusting as high as 40 mph on Friday. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * WHEN...Until 5 PM MST Saturday. * IMPACTS...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 Friday evening commute, especially over higher passes. Gusty winds could bring down tree branches. |
| Alert: | Winter Storm Warning |
| Area(s): | Lower Clark Fork Region |
| Effective: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 6:00 pm |
| Onset: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 5:15 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-05 @ 5:02 pm |
| Headline: | Winter Storm Warning issued December 5 at 4:02PM MST until December 6 at 5:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Heavy snow. There is a likelihood of developing or ongoing major winter weather impacts to isolated extreme winter storm impacts. Additional snow accumulations of 5 to 11 inches Taft to Lookout Pass and 2 to 5 inches in the valleys. Winds gusting as high as 35 mph. * WHERE...Evaro Hill, Highway 200 Trout Creek to Heron, I-90 Lookout Pass to Haugan, and Highway 200 Thompson Falls to Plains. * WHEN...Until 5 PM MST Saturday. * IMPACTS...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 Friday evening commute, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Kootenai/Cabinet Region |
| Effective: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 12:00 am |
| Onset: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-05 @ 5:02 pm |
| Headline: | Winter Weather Advisory issued December 5 at 4:02PM MST until December 5 at 11:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow. There is a likelihood of developing or ongoing moderate winter weather impacts. Periods of heavy snow will quickly accumulated and cause rapidly changing conditions. Additional snow accumulations of 1 to 5 inches. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 93 Eureka to Whitefish, and Highway 56 Bull Lake Road. * WHEN...Until 11 PM MST this evening. * 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 Friday evening commute, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Missoula/Bitterroot Valleys |
| Effective: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 12:00 am |
| Onset: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-05 @ 5:02 pm |
| Headline: | Winter Weather Advisory issued December 5 at 4:02PM MST until December 5 at 11:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Wet snow. There is a likelihood of ongoing moderate winter weather impacts. Periods of heavy snow will quickly accumulated and cause rapidly changing conditions. Additional snow accumulations of 1 to 5 inches. Gusty winds are also possible in the Bitterroot Valley later in the evening. * WHERE...Missoula and Bitterroot Valley. * WHEN...Until 11 PM MST this evening. * 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 Friday evening commute, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Butte/Blackfoot Region |
| Effective: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 12:00 am |
| Onset: | 2025-12-05 @ 5:02 pm -> 2025-12-06 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-05 @ 5:02 pm |
| Headline: | Winter Weather Advisory issued December 5 at 4:02PM MST until December 5 at 11:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow. There is a likelihood of developing or ongoing moderate to isolated major winter weather impacts. Additional snow accumulations of 2 to 6 inches. Winds gusting as high as 40 mph. * WHERE...Highway 12 Garrison to Elliston, MacDonald Pass, Butte, Homestake Pass, and Georgetown Lake. * WHEN...Until 11 PM MST this evening. * 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 Friday evening commute, especially over higher passes. * ADDITIONAL DETAILS...Rapidly changing conditions are expected through the evening with periods of heavy snow. |
| Alert: | Winter Storm Warning |
| Area(s): | Absaroka/Beartooth Mountains; Crazy Mountains |
| Effective: | 2025-12-05 @ 3:29 pm -> 2025-12-06 @ 3:00 pm |
| Onset: | 2025-12-05 @ 3:29 pm -> 2025-12-06 @ 3:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-05 @ 3:29 pm |
| Headline: | Winter Storm Warning issued December 5 at 2:29PM MST until December 6 at 2:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Periods of moderate to heavy snowfall, strong winds, and blowing snow. Additional snow accumulations between 6 and 14 inches. Winds gusting as high as 75 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 2 PM MST Saturday. * IMPACTS...Mountain recreation will be impacted by heavy accumulating snow and blowing snow. Whiteout conditions are expected at times. * ADDITIONAL DETAILS...The heaviest snowfall will occur on west and northwest facing slopes. The mountains around Red Lodge and Nye will see much less snowfall, 2 to 6 inches. |
| Alert: | Winter Weather Advisory |
| Area(s): | Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains |
| Effective: | 2025-12-05 @ 3:29 pm -> 2025-12-06 @ 3:00 pm |
| Onset: | 2025-12-05 @ 3:29 pm -> 2025-12-06 @ 3:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-05 @ 3:29 pm |
| Headline: | Winter Weather Advisory issued December 5 at 2:29PM MST until December 6 at 2:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Periods of light to moderate snow and blowing snow. Additional snow accumulations between 4 and 8 inches. Winds gusting as high as 45 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...Until 2 PM MST Saturday. * IMPACTS...The heaviest snowfall is expected late this evening through Saturday morning. Outdoor recreation could be very difficult. Whiteout conditions are expected at times due to snow and blowing snow. |
| Alert: | Winter Weather Advisory |
| Area(s): | Central and Southeast Phillips; Central and Southern Valley; Daniels; Western Roosevelt; Petroleum; Garfield; McCone; Richland; Dawson; Prairie; Wibaux; Northern Phillips; Southwest Phillips; Northern Valley |
| Effective: | 2025-12-05 @ 2:52 pm -> 2025-12-06 @ 1:00 pm |
| Onset: | 2025-12-05 @ 9:00 pm -> 2025-12-06 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2025-12-05 @ 2:52 pm |
| Headline: | Winter Weather Advisory issued December 5 at 1:52PM MST until December 6 at 12:00PM MST by NWS Glasgow MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. * WHERE...A portion of northeast Montana. * WHEN...From 8 PM this evening to noon MST Saturday. * IMPACTS...Plan on slippery road conditions. |
| Alert: | Wind Advisory |
| Area(s): | Livingston Area |
| Effective: | 2025-12-05 @ 2:19 pm -> 2025-12-06 @ 1:00 pm |
| Onset: | 2025-12-05 @ 7:00 pm -> 2025-12-06 @ 1:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-05 @ 2:19 pm |
| Headline: | Wind Advisory issued December 5 at 1:19PM MST until December 6 at 12:00PM MST by NWS Billings MT |
| Description: |
* WHAT...West to Southwest winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Livingston Area. * WHEN...From 6 PM this evening to noon MST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limb and power line damage is possible and may result in localized power outages. Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber and roads along the Beartooth Foothills. * ADDITIONAL DETAILS...The strongest winds are expected from around midnight through 8 am. |