Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Cold Weather Advisory |
| Area(s): | Central and Southern Valley; Daniels; Sheridan; Western Roosevelt; Northern Valley; Eastern Roosevelt |
| Effective: | 2025-12-06 @ 2:59 pm -> 2025-12-07 @ 9:00 am |
| Onset: | 2025-12-06 @ 9:00 pm -> 2025-12-07 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2025-12-06 @ 2:59 pm |
| Headline: | Cold Weather Advisory issued December 6 at 1:59PM MST until December 7 at 8:00AM MST by NWS Glasgow MT |
| Description: |
* WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Central and Southern Valley, Daniels, Eastern Roosevelt, Northern Valley, Sheridan, and Western Roosevelt Counties. * WHEN...From 8 PM this evening to 8 AM MST Sunday. * IMPACTS...The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. |
| Alert: | Winter Storm Warning |
| Area(s): | Absaroka/Beartooth Mountains; Crazy Mountains |
| Effective: | 2025-12-06 @ 2:46 pm -> 2025-12-07 @ 1:00 am |
| Onset: | 2025-12-06 @ 2:46 pm -> 2025-12-07 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-06 @ 2:46 pm |
| Headline: | Winter Storm Warning issued December 6 at 1:46PM MST until December 7 at 12:00AM MST by NWS Billings MT |
| Description: |
* WHAT...Heavy snow occurring. Additional snow accumulations of 3 to 6 inches. Winds gusting as high as 50 mph in exposed areas. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until midnight MST tonight. * IMPACTS...Mountain recreation will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...The heaviest snowfall will occur on west and northwest facing slopes, including the mountains near Cooke City. The mountains around Red Lodge will see much less additional snowfall, 0 to 3 inches. |
| Alert: | Winter Weather Advisory |
| Area(s): | East Glacier Park Region; Southern Rocky Mountain Front |
| Effective: | 2025-12-06 @ 2:41 pm -> 2025-12-06 @ 10:00 pm |
| Onset: | 2025-12-06 @ 2:41 pm -> 2025-12-06 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-06 @ 2:41 pm |
| Headline: | Winter Weather Advisory issued December 6 at 1:41PM MST until December 6 at 9:00PM MST by NWS Great Falls MT |
| Description: |
* WHAT...Snow. Additional snow accumulations up to 4 inches. Winds gusting as high as 35 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 be slick and hazardous. |
| Alert: | Winter Weather Advisory |
| Area(s): | Gallatin and Madison County Mountains and Centennial Mountains |
| Effective: | 2025-12-06 @ 2:41 pm -> 2025-12-06 @ 10:00 pm |
| Onset: | 2025-12-06 @ 2:41 pm -> 2025-12-06 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-12-06 @ 2:41 pm |
| Headline: | Winter Weather Advisory issued December 6 at 1:41PM MST until December 6 at 9:00PM MST by NWS Great Falls MT |
| Description: |
* WHAT...Periods of snow through this evening. Additional snow accumulations up to two inches. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 9 PM MST this evening. * IMPACTS...Plan on slippery road conditions. |