Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Winter Weather Advisory |
| Area(s): | East Glacier Park Region; Southern Rocky Mountain Front |
| Effective: | 2025-12-02 @ 7:56 pm -> 2025-12-03 @ 12:00 am |
| Onset: | 2025-12-02 @ 7:56 pm -> 2025-12-03 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-02 @ 7:56 pm |
| Headline: | Winter Weather Advisory issued December 2 at 6:56PM MST until December 2 at 11:00PM MST by NWS Great Falls MT |
| Description: |
* 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. * ADDITIONAL DETAILS...Wet road surfaces will quickly refreeze. |
| Alert: | Winter Weather Advisory |
| Area(s): | Northwest Beaverhead County |
| Effective: | 2025-12-02 @ 7:56 pm -> 2025-12-03 @ 12:00 am |
| Onset: | 2025-12-02 @ 7:56 pm -> 2025-12-03 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-02 @ 7:56 pm |
| Headline: | Winter Weather Advisory issued December 2 at 6:56PM MST until December 2 at 11:00PM MST by NWS Great Falls MT |
| Description: |
* 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. |
| Alert: | Winter Storm Warning |
| Area(s): | Fergus County below 4500ft |
| Effective: | 2025-12-02 @ 7:56 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 7:56 pm -> 2025-12-03 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-02 @ 7:56 pm |
| Headline: | Winter Storm Warning issued December 2 at 6:56PM MST until December 3 at 5:00AM MST by NWS Great Falls MT |
| Description: |
* WHAT...Heavy snow. Additional snow accumulations up to 4 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...Wet road surfaces will quickly refreeze. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bears Paw Mountains and Southern Blaine; Cascade County below 5000ft; Judith Basin County and Judith Gap; Upper Blackfoot and MacDonald Pass; Gates of the Mountains; Helena Valley; Elkhorn and Boulder Mountains |
| Effective: | 2025-12-02 @ 7:56 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 7:56 pm -> 2025-12-03 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-02 @ 7:56 pm |
| Headline: | Winter Weather Advisory issued December 2 at 6:56PM MST until December 3 at 5:00AM MST by NWS Great Falls MT |
| Description: |
* WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...Portions of central and north central Montana. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Wet road surfaces will quickly refreeze. |
| 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: | 2025-12-02 @ 7:56 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 7:56 pm -> 2025-12-03 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-02 @ 7:56 pm |
| Headline: | Winter Weather Advisory issued December 2 at 6:56PM MST until December 3 at 5:00AM MST by NWS Great Falls MT |
| Description: |
* 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. * ADDITIONAL DETAILS...Wet road surfaces will quickly refreeze. |
| Alert: | Winter Weather Advisory |
| Area(s): | Butte/Blackfoot Region |
| Effective: | 2025-12-02 @ 4:32 pm -> 2025-12-03 @ 12:00 am |
| Onset: | 2025-12-02 @ 4:32 pm -> 2025-12-03 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-02 @ 4:32 pm |
| Headline: | Winter Weather Advisory issued December 2 at 3:32PM MST until December 2 at 11:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow. There is a likelihood of ongoing minor winter weather impacts. Additional snow accumulations of 1 to 2 inches. * WHERE...MacDonald Pass, Butte, Homestake Pass, Highway 12 Garrison to Elliston, and Georgetown Lake. * WHEN...Until 11 PM MST this evening. * 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 Tuesday evening commute, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Treasure; Northern Rosebud; Custer |
| Effective: | 2025-12-02 @ 2:41 pm -> 2025-12-03 @ 12:00 am |
| Onset: | 2025-12-02 @ 2:41 pm -> 2025-12-03 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-02 @ 2:41 pm |
| Headline: | Winter Weather Advisory issued December 2 at 1:41PM MST until December 2 at 11:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Periods of snow. Additional snow accumulations up to 2 inches, greatest over the higher hills south of I-94. * WHERE...Treasure, Custer, and Northern Rosebud. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact this evening's commute. * ADDITIONAL DETAILS...Wet or slushy surfaces will freeze this evening into tonight. |
| Alert: | Winter Weather Advisory |
| Area(s): | Powder River; Carter; Northern Big Horn; Southern Rosebud; Southern Big Horn |
| Effective: | 2025-12-02 @ 2:41 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 2:41 pm -> 2025-12-03 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-02 @ 2:41 pm |
| Headline: | Winter Weather Advisory issued December 2 at 1:41PM MST until December 3 at 5:00AM MST by NWS Billings MT |
| Description: |
* WHAT...Periods of snow. Additional snow accumulations up to 3 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...Until 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the evening commute. * ADDITIONAL DETAILS...Wintry conditions will impact portions of Interstate 90 and Highway 212. Wet or slushy surfaces will freeze this evening into tonight. |
| Alert: | Winter Weather Advisory |
| Area(s): | Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains |
| Effective: | 2025-12-02 @ 2:41 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 2:41 pm -> 2025-12-03 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-02 @ 2:41 pm |
| Headline: | Winter Weather Advisory issued December 2 at 1:41PM MST until December 3 at 5:00AM MST by NWS Billings MT |
| Description: |
* WHAT...Snow. Total snow accumulations between 4 and 10 inches. Greatest accumulations north of US14. Winds gusting as high as 35 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Travel could be difficult over US14 through Burgess Junction. Areas of blowing snow could reduce visibility. Recreation in the high country will be affected by accumulating snow and blowing snow. |
| Alert: | Winter Weather Advisory |
| Area(s): | Red Lodge Foothills; Beartooth Foothills |
| Effective: | 2025-12-02 @ 2:41 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 2:41 pm -> 2025-12-03 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-02 @ 2:41 pm |
| Headline: | Winter Weather Advisory issued December 2 at 1:41PM MST until December 3 at 5:00AM MST by NWS Billings MT |
| Description: |
* WHAT...Snow. Total snow accumulations of 2 to 5 inches, with locally higher amounts possible near the mountains. Winds gusting as high as 30 mph. * WHERE...Beartooth Foothills and Red Lodge Foothills. * WHEN...Until 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact this evening's commute. * ADDITIONAL DETAILS...Wet or slushy surfaces will freeze this evening into tonight. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bighorn Canyon; Sheridan Foothills |
| Effective: | 2025-12-02 @ 2:41 pm -> 2025-12-03 @ 6:00 am |
| Onset: | 2025-12-02 @ 2:41 pm -> 2025-12-03 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-02 @ 2:41 pm |
| Headline: | Winter Weather Advisory issued December 2 at 1:41PM MST until December 3 at 5:00AM MST by NWS Billings MT |
| Description: |
* WHAT...Snow. 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...Until 5 AM MST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact this evening's commute. * ADDITIONAL DETAILS...Wet or slushy surfaces will freeze this evening into tonight. |