Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Winter Weather Advisory |
| Area(s): | Southern Rocky Mountain Front; Upper Blackfoot and MacDonald Pass; Helena Valley; Elkhorn and Boulder Mountains; Northwest Beaverhead County |
| Effective: | 2026-02-09 @ 9:22 am -> 2026-02-09 @ 12:00 pm |
| Onset: | 2026-02-09 @ 9:22 am -> 2026-02-09 @ 12:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-02-09 @ 9:22 am |
| Headline: | Winter Weather Advisory issued February 9 at 8:22AM MST until February 9 at 11:00AM MST by NWS Great Falls MT |
| Description: |
* WHAT...Snow. Additional snow accumulations up to one inch at lower elevations and between 2 and 4 inches in the mountains. * WHERE...Elkhorn and Boulder Mountains, Helena Valley, Upper Blackfoot and MacDonald Pass, Southern Rocky Mountain Front, and Northwest Beaverhead County. * WHEN...Until 11 AM MST this morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Expect impacts to the Monday commute. Take extra precautions when traveling over mountain passes, as conditions may rapidly change with elevation. |
| Alert: | Winter Weather Advisory |
| Area(s): | Judith Basin County and Judith Gap; Fergus County below 4500ft; Little Belt and Highwood Mountains; Snowy and Judith Mountains; Big Belt, Bridger and Castle Mountains; Meagher County Valleys; Gallatin and Madison County Mountains and Centennial Mountains |
| Effective: | 2026-02-09 @ 9:22 am -> 2026-02-09 @ 3:00 pm |
| Onset: | 2026-02-09 @ 9:22 am -> 2026-02-09 @ 3:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-02-09 @ 9:22 am |
| Headline: | Winter Weather Advisory issued February 9 at 8:22AM MST until February 9 at 2:00PM MST by NWS Great Falls MT |
| Description: |
* WHAT...Snow. Additional snow accumulations between 1 and 3 inches at lower elevations and between 3 and 6 inches in the mountains. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Expect impacts to the Monday commute. Take extra precautions when traveling over mountain passes, as conditions may rapidly change with elevation. |
| Alert: | Winter Weather Advisory |
| Area(s): | Musselshell; Golden Valley; Judith Gap; Melville Foothills; Southern Wheatland |
| Effective: | 2026-02-09 @ 2:04 am -> 2026-02-09 @ 3:00 pm |
| Onset: | 2026-02-09 @ 2:04 am -> 2026-02-09 @ 3:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-02-09 @ 2:04 am |
| Headline: | Winter Weather Advisory issued February 9 at 1:04AM MST until February 9 at 2:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Snow. Total snow accumulations between 3 and 6 inches. * WHERE...Golden Valley, Judith Gap, Musselshell, Southern Wheatland, and Melville Foothills. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slushy, slick and hazardous. Plan on winter driving conditions. The hazardous conditions will impact the Monday morning commute. |
| Alert: | Winter Weather Advisory |
| Area(s): | Northern Stillwater; Northern Sweet Grass |
| Effective: | 2026-02-09 @ 2:04 am -> 2026-02-09 @ 3:00 pm |
| Onset: | 2026-02-09 @ 2:04 am -> 2026-02-09 @ 3:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-02-09 @ 2:04 am |
| Headline: | Winter Weather Advisory issued February 9 at 1:04AM MST until February 9 at 2:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Snow. Total snow accumulations between 2 and 5 inches. * WHERE...Northern Stillwater and Northern Sweet Grass. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slushy, slick and hazardous. Plan on winter driving conditions. The hazardous conditions will impact the Monday morning commute. * ADDITIONAL DETAILS...The heaviest snowfall is expected along and near the northern county line from Melville to Rapelje. |
| Alert: | Winter Storm Warning |
| Area(s): | Absaroka/Beartooth Mountains; Crazy Mountains |
| Effective: | 2026-02-09 @ 2:04 am -> 2026-02-09 @ 6:00 pm |
| Onset: | 2026-02-09 @ 2:04 am -> 2026-02-09 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-02-09 @ 2:04 am |
| Headline: | Winter Storm Warning issued February 9 at 1:04AM MST until February 9 at 5:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Heavy snow expected with areas of blowing snow. Snow accumulations between 10 and 20 inches. Winds gusting 40 to 50 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. Travel could be very difficult to impossible between Mammoth and Cooke City. Widespread blowing snow could produce near whiteout conditions at times. |