Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Wind Advisory |
| Area(s): | Livingston Area; Beartooth Foothills |
| Effective: | 2025-12-01 @ 7:55 pm -> 2025-12-02 @ 6:00 am |
| Onset: | 2025-12-01 @ 7:55 pm -> 2025-12-02 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-01 @ 7:55 pm |
| Headline: | Wind Advisory issued December 1 at 6:55PM MST until December 2 at 5:00AM MST by NWS Billings MT |
| Description: |
* WHAT...Southwest winds gusting 50 to 60 mph. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...Until 5 AM MST Tuesday. * IMPACTS...Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber and roads along the Beartooth Foothills. * ADDITIONAL DETAILS...Winds will begin to decrease overnight as a cold front arrives. |
| Alert: | Winter Weather Advisory |
| Area(s): | Powder River; Carter; Northern Big Horn; Southern Rosebud; Southern Big Horn |
| Effective: | 2025-12-01 @ 3:17 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 6:00 am -> 2025-12-02 @ 3:30 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-01 @ 3:17 pm |
| Headline: | Winter Weather Advisory issued December 1 at 2:17PM MST until December 3 at 5:00AM MST by NWS Billings MT |
| Description: |
* WHAT...Periods of snow expected. Total snow accumulations up to 4 inches, greatest over the higher hills. Locally higher totals in the Wolf Mountains. Winds gusting as high as 30 mph. * WHERE...Northern Big Horn, Southern Big Horn, Carter, Powder River, and Southern Rosebud. * WHEN...From 5 AM Tuesday to 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Tuesday morning and evening commutes. * ADDITIONAL DETAILS...Wet or slushy surfaces will likely freeze Tuesday evening. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bighorn Canyon; Sheridan Foothills |
| Effective: | 2025-12-01 @ 3:17 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 6:00 pm -> 2025-12-02 @ 3:30 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-01 @ 3:17 pm |
| Headline: | Winter Weather Advisory issued December 1 at 2:17PM MST until December 3 at 5:00AM MST by NWS Billings MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations up to 3 inches, greatest over the higher hills and near the Bighorn Mountains. Winds gusting as high as 30 mph. * WHERE...In Montana, Bighorn Canyon. In Wyoming, Sheridan Foothills. * WHEN...From 5 PM Tuesday to 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Tuesday evening commute. |
| Alert: | Winter Weather Advisory |
| Area(s): | Pryor/Northern Bighorn Mountains |
| Effective: | 2025-12-01 @ 3:17 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 12:00 pm -> 2025-12-02 @ 3:30 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-01 @ 3:17 pm |
| Headline: | Winter Weather Advisory issued December 1 at 2:17PM MST until December 3 at 5:00AM MST by NWS Billings MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations between 5 and 9 inches. Winds gusting as high as 30 mph. * WHERE...Pryor/Northern Bighorn Mountains. * WHEN...From 11 AM Tuesday to 5 AM MST Wednesday. * IMPACTS...Recreation in the high country will be impacted by accumulating snow and blowing snow. |
| Alert: | Winter Weather Advisory |
| Area(s): | Red Lodge Foothills; Beartooth Foothills |
| Effective: | 2025-12-01 @ 3:17 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 6:00 pm -> 2025-12-02 @ 3:30 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-01 @ 3:17 pm |
| Headline: | Winter Weather Advisory issued December 1 at 2:17PM MST until December 3 at 5:00AM MST by NWS Billings MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches, with locally higher totals possible. * WHERE...Beartooth Foothills and Red Lodge Foothills. * WHEN...From 5 PM Tuesday to 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Tuesday evening commute. |
| Alert: | Winter Weather Advisory |
| Area(s): | Northwest Beaverhead County |
| Effective: | 2025-12-01 @ 1:46 pm -> 2025-12-03 @ 12:00 am |
| Onset: | 2025-12-01 @ 6:00 pm -> 2025-12-02 @ 5:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-01 @ 1:46 pm |
| Headline: | Winter Weather Advisory issued December 1 at 12:46PM MST until December 2 at 11:00PM MST by NWS Great Falls MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches. * WHERE...Northwest Beaverhead County. * WHEN...From 5 PM this afternoon to 11 PM MST Tuesday. * IMPACTS...Plan on slippery road conditions. |
| Alert: | Winter Weather Advisory |
| Area(s): | Cascade County below 5000ft; Judith Basin County and Judith Gap; Fergus County below 4500ft; Upper Blackfoot and MacDonald Pass; Gates of the Mountains; Helena Valley |
| Effective: | 2025-12-01 @ 1:46 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 6:00 am -> 2025-12-02 @ 5:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-01 @ 1:46 pm |
| Headline: | Winter Weather Advisory issued December 1 at 12:46PM MST until December 3 at 5:00AM MST by NWS Great Falls MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations of 2 to 4 inches. * WHERE...Portions of central and north central Montana. * WHEN...From 5 AM Tuesday to 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning and evening commutes. * ADDITIONAL DETAILS...Up to 6 inches of snow is expected along US Highway 87 between Belt and Geyser. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bears Paw Mountains and Southern Blaine |
| Effective: | 2025-12-01 @ 1:46 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 6:00 am -> 2025-12-02 @ 5:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-01 @ 1:46 pm |
| Headline: | Winter Weather Advisory issued December 1 at 12:46PM MST until December 3 at 5:00AM MST by NWS Great Falls MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches in the Bears Paw Mountains with up to an inch expected in the rest of Southern Blaine County. * WHERE...Bears Paw Mountains and Southern Blaine. * WHEN...From 5 AM Tuesday to 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions. |
| Alert: | Winter Weather Advisory |
| Area(s): | Little Belt and Highwood Mountains; Snowy and Judith Mountains; Big Belt, Bridger and Castle Mountains; Gallatin and Madison County Mountains and Centennial Mountains |
| Effective: | 2025-12-01 @ 1:46 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 12:00 am -> 2025-12-02 @ 5:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-01 @ 1:46 pm |
| Headline: | Winter Weather Advisory issued December 1 at 12:46PM MST until December 3 at 5:00AM MST by NWS Great Falls MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations will range from 2 to 6 inches across the lower elevations to 6 to 11 inches over the passes and higher terrain. Winds gusting as high as 40 mph. * 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...From 11 PM this evening to 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions and periods of lower visibility. |
| Alert: | Winter Weather Advisory |
| Area(s): | East Glacier Park Region; Southern Rocky Mountain Front |
| Effective: | 2025-12-01 @ 1:46 pm -> 2025-12-03 @ 12:00 am |
| Onset: | 2025-12-01 @ 6:00 pm -> 2025-12-02 @ 5:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-01 @ 1:46 pm |
| Headline: | Winter Weather Advisory issued December 1 at 12:46PM MST until December 2 at 11:00PM MST by NWS Great Falls MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations between 2 and 5 inches. Winds gusting as high as 50 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From 5 PM this afternoon to 11 PM MST Tuesday. * IMPACTS...Plan on slippery road conditions. Localized blowing snow could significantly reduce visibility. Very strong winds could cause extensive tree damage. |
| Alert: | Winter Weather Advisory |
| Area(s): | Butte/Blackfoot Region |
| Effective: | 2025-12-01 @ 12:45 pm -> 2025-12-02 @ 6:00 pm |
| Onset: | 2025-12-01 @ 9:00 pm -> 2025-12-02 @ 12:45 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-01 @ 12:45 pm |
| Headline: | Winter Weather Advisory issued December 1 at 11:45AM MST until December 2 at 5:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations of 1 to 2 inches for valleys including Butte. 3 to 5 inches for Homestake Pass, MacDonald Pass and in the vicinity of Georgetown Lake. * WHERE...Highway 12 Garrison to Elliston, Georgetown Lake, Butte, Homestake Pass, and MacDonald Pass. * WHEN...From 8 PM this evening to 5 PM MST Tuesday. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. Winter traveling conditions. The hazardous conditions could impact the Tuesday morning and evening commutes, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | West Glacier Region; Potomac/Seeley Lake Region |
| Effective: | 2025-12-01 @ 12:45 pm -> 2025-12-02 @ 6:00 pm |
| Onset: | 2025-12-01 @ 3:00 pm -> 2025-12-02 @ 12:45 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-01 @ 12:45 pm |
| Headline: | Winter Weather Advisory issued December 1 at 11:45AM MST until December 2 at 5:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations between 3 and 7 inches, except up to 10 inches in the Seeley-Swan Valley. Daytime melting combined with sub-freezing temperatures expected after dark will create a potential for black ice. * WHERE...Bad Rock Canyon, Polebridge, I-90 East Missoula to Bearmouth, Highway 83 Bigfork to Swan Lake, Marias Pass, Highway 83 Seeley Lake to Condon, Highway 200 Bonner to Greenough, Glacier National Park, and Essex. * WHEN...From 2 PM this afternoon to 5 PM MST Tuesday. * 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 Monday evening and Tuesday morning commutes, especially over higher passes. * ADDITIONAL DETAILS...Between 10 and 16 inches of total snow accumulation is possible in the Mission and Swan Ranges, while the Whitefish and Lewis Ranges could receive 5 to 10 inches. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bitterroot/Sapphire Mountains |
| Effective: | 2025-12-01 @ 12:45 pm -> 2025-12-02 @ 6:00 pm |
| Onset: | 2025-12-01 @ 9:00 pm -> 2025-12-02 @ 12:45 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-01 @ 12:45 pm |
| Headline: | Winter Weather Advisory issued December 1 at 11:45AM MST until December 2 at 5:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations 4 to 7 inches. * WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass. * WHEN...From 8 PM this evening to 5 PM MST Tuesday. * 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 Tuesday morning and evening commutes, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Missoula/Bitterroot Valleys |
| Effective: | 2025-12-01 @ 12:45 pm -> 2025-12-02 @ 3:00 pm |
| Onset: | 2025-12-01 @ 9:00 pm -> 2025-12-02 @ 12:45 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-01 @ 12:45 pm |
| Headline: | Winter Weather Advisory issued December 1 at 11:45AM MST until December 2 at 2:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a chance of minor winter weather impacts. Total snow accumulations 1 to 4 inches. Daytime melting combined with sub-freezing temperatures expected after dark will create a potential for black ice. The Tuesday morning commute could be impacted with slick snow covered roads. * WHERE...Bitterroot Valley and Missoula. * WHEN...From 8 PM this evening to 2 PM MST Tuesday. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. Winter traveling conditions. The hazardous conditions could impact the Tuesday morning commute, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Flathead/Mission Valleys |
| Effective: | 2025-12-01 @ 12:45 pm -> 2025-12-02 @ 1:00 pm |
| Onset: | 2025-12-01 @ 3:00 pm -> 2025-12-02 @ 12:45 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-01 @ 12:45 pm |
| Headline: | Winter Weather Advisory issued December 1 at 11:45AM MST until December 2 at 12:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations between 2 and 5 inches, except 5 to 8 inches Bigfork to Many Lakes Region. Daytime melting combined with sub-freezing temperatures expected after dark will create a potential for black ice. * WHERE...Mission Valley, Flathead Valley, Polson, and Flathead Lake. * WHEN...From 2 PM this afternoon to noon MST Tuesday. * 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 Monday evening and Tuesday morning commutes, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Lower Clark Fork Region |
| Effective: | 2025-12-01 @ 12:45 pm -> 2025-12-02 @ 1:00 pm |
| Onset: | 2025-12-01 @ 3:00 pm -> 2025-12-02 @ 12:45 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-01 @ 12:45 pm |
| Headline: | Winter Weather Advisory issued December 1 at 11:45AM MST until December 2 at 12:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations between 2 and 5 inches. Daytime melting combined with sub-freezing temperatures expected after dark will create a potential for black ice. * WHERE...I-90 Lookout Pass to Haugan, Highway 200 Trout Creek to Heron, Evaro Hill, and Highway 200 Thompson Falls to Plains. * WHEN...From 2 PM this afternoon to noon MST Tuesday. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. For MODERATE winter weather impacts, expect disruptions to normal activities. Use caution while driving. Winter traveling conditions. The hazardous conditions could impact the Monday evening and Tuesday morning commutes, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Kootenai/Cabinet Region |
| Effective: | 2025-12-01 @ 12:45 pm -> 2025-12-02 @ 1:00 pm |
| Onset: | 2025-12-01 @ 2:00 pm -> 2025-12-02 @ 12:45 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-01 @ 12:45 pm |
| Headline: | Winter Weather Advisory issued December 1 at 11:45AM MST until December 2 at 12:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations between 2 and 5 inches. Daytime melting combined with sub-freezing temperatures expected after dark will create a potential for black ice. Conditions will become slicker tonight. * WHERE...Highway 56 Bull Lake Road, Highway 37 Eureka to Libby, Highway 93 Eureka to Whitefish, and Highway 2 Kalispell to Libby. * WHEN...Until noon MST Tuesday. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. For MODERATE winter weather impacts, expect disruptions to normal activities. Use caution while driving. Winter traveling conditions. The hazardous conditions could impact the Monday evening and Tuesday morning commutes. |