Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | Eastern Glacier, Western Toole, and Central Pondera |
| Effective: | 2025-11-25 @ 11:04 pm |
| Onset: | 2025-11-25 @ 11:04 pm -> 2025-11-26 @ 1:15 am |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-11-25 @ 11:04 pm |
| Headline: | Special Weather Statement issued November 25 at 10:04PM MST by NWS Great Falls MT |
| Description: |
Dense freezing fog continues to spread west across the Hi-Line and might reach Cut Bank over the next couple hours. Expect reduced visibility and slippery roads where fog develops. |
| Alert: | Dense Fog Advisory |
| Area(s): | Eastern Toole and Liberty; Hill County; Northern Blaine County |
| Effective: | 2025-11-25 @ 10:00 pm -> 2025-11-26 @ 12:00 pm |
| Onset: | 2025-11-25 @ 10:00 pm -> 2025-11-26 @ 12:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-11-25 @ 10:00 pm |
| Headline: | Dense Fog Advisory issued November 25 at 9:00PM MST until November 26 at 11:00AM MST by NWS Great Falls MT |
| Description: |
* WHAT...Visibility less than one quarter mile in dense freezing fog. * WHERE...Eastern Toole and Liberty Counties, Hill County, and Northern Blaine County. * WHEN...Until 11 AM MST Wednesday. * IMPACTS...Low visibility and slippery roads could make driving hazardous. |
| Alert: | Special Weather Statement |
| Area(s): | Hill County; Northern Blaine County |
| Effective: | 2025-11-25 @ 7:02 pm |
| Onset: | 2025-11-25 @ 7:02 pm -> 2025-11-26 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2025-11-25 @ 7:02 pm |
| Headline: | Special Weather Statement issued November 25 at 6:02PM MST by NWS Great Falls MT |
| Description: |
Patchy dense freezing fog is possible across portions of the Hi- Line this evening, primarily impacting locations along the Milk River Valley. Visibility may drop as low as half a mile at times. Be prepared for slick roads and sudden reductions in visibility along Highway 2. |
| Alert: | Winter Weather Advisory |
| Area(s): | Kootenai/Cabinet Region |
| Effective: | 2025-11-25 @ 2:11 pm -> 2025-11-26 @ 12:00 pm |
| Onset: | 2025-11-26 @ 12:00 am -> 2025-11-26 @ 12:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-11-25 @ 2:11 pm |
| Headline: | Winter Weather Advisory issued November 25 at 1:11PM MST until November 26 at 11:00AM 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 3 inches. * WHERE...Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, Highway 2 Kalispell to Libby, and Highway 93 Eureka to Whitefish. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Wednesday morning commute. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bitterroot/Sapphire Mountains |
| Effective: | 2025-11-25 @ 2:11 pm -> 2025-11-26 @ 12:00 pm |
| Onset: | 2025-11-26 @ 12:00 am -> 2025-11-26 @ 12:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-11-25 @ 2:11 pm |
| Headline: | Winter Weather Advisory issued November 25 at 1:11PM MST until November 26 at 11:00AM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations up to 4 inches. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * 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 Wednesday morning commute, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Lower Clark Fork Region |
| Effective: | 2025-11-25 @ 2:11 pm -> 2025-11-26 @ 12:00 pm |
| Onset: | 2025-11-26 @ 12:00 am -> 2025-11-26 @ 12:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-11-25 @ 2:11 pm |
| Headline: | Winter Weather Advisory issued November 25 at 1:11PM MST until November 26 at 11:00AM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations between 1 and 3 inches, with 2 to 5 inches at Lookout Pass. * WHERE...I-90 Lookout Pass to Haugan, Highway 200 Trout Creek to Heron, Highway 200 Thompson Falls to Plains, and Evaro Hill. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * 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 Wednesday morning commute, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Flathead/Mission Valleys |
| Effective: | 2025-11-25 @ 2:11 pm -> 2025-11-26 @ 12:00 pm |
| Onset: | 2025-11-26 @ 12:00 am -> 2025-11-26 @ 12:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-11-25 @ 2:11 pm |
| Headline: | Winter Weather Advisory issued November 25 at 1:11PM MST until November 26 at 11:00AM 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 3 inches. * WHERE...Polson, Flathead Valley, Flathead Lake, and Mission Valley. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Wednesday morning commute. |
| Alert: | Winter Weather Advisory |
| Area(s): | Missoula/Bitterroot Valleys |
| Effective: | 2025-11-25 @ 2:11 pm -> 2025-11-26 @ 12:00 pm |
| Onset: | 2025-11-26 @ 12:00 am -> 2025-11-26 @ 12:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-11-25 @ 2:11 pm |
| Headline: | Winter Weather Advisory issued November 25 at 1:11PM MST until November 26 at 11:00AM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations between 1 and 3 inches. * WHERE...Missoula and Bitterroot Valley. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Wednesday morning commute. |
| Alert: | Winter Weather Advisory |
| Area(s): | Potomac/Seeley Lake Region |
| Effective: | 2025-11-25 @ 2:11 pm -> 2025-11-26 @ 12:00 pm |
| Onset: | 2025-11-26 @ 12:00 am -> 2025-11-26 @ 12:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-11-25 @ 2:11 pm |
| Headline: | Winter Weather Advisory issued November 25 at 1:11PM MST until November 26 at 11:00AM MST by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations between 1 and 3 inches. * WHERE...I-90 East Missoula to Bearmouth, Highway 200 Bonner to Greenough, and Highway 83 Seeley Lake to Condon. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * 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 Wednesday morning commute. |
| Alert: | Winter Storm Watch |
| Area(s): | West Glacier Region |
| Effective: | 2025-11-25 @ 2:11 pm -> 2025-11-28 @ 3:00 pm |
| Onset: | 2025-11-27 @ 6:00 pm -> 2025-11-26 @ 2:15 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Missoula MT on 2025-11-25 @ 2:11 pm |
| Headline: | Winter Storm Watch issued November 25 at 1:11PM MST until November 28 at 2:00PM MST by NWS Missoula MT |
| Description: |
* WHAT...Heavy snow and flash freeze possible. There is a chance of major winter weather impacts. Total snow accumulations between 3 to 8 inches possible in the valleys with 6 to 12 inches for Marias Pass and higher terrain. * WHERE...Marias Pass, Essex, Highway 83 Bigfork to Swan Lake, Glacier National Park, Bad Rock Canyon, and Polebridge. * WHEN...From Thursday afternoon through Friday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities may drop below 1/4 mile due to falling and blowing snow. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. The hazardous conditions could impact the Thursday evening and Friday morning commutes, especially over higher passes. * ADDITIONAL DETAILS...Elevated risk for flash freeze Thursday night into Friday morning as temperatures drop from the 30s and prolonged snowfall and falling temperatures occur as the front passes. |
| Alert: | Winter Storm Watch |
| Area(s): | East Glacier Park Region; Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Eastern Toole and Liberty; Southern Rocky Mountain Front; Southern High Plains; Eastern Pondera and Eastern Teton; Western and Central Chouteau County; Cascade County below 5000ft |
| Effective: | 2025-11-25 @ 1:48 pm -> 2025-11-28 @ 6:00 pm |
| Onset: | 2025-11-27 @ 6:00 pm -> 2025-11-26 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2025-11-25 @ 1:48 pm |
| Headline: | Winter Storm Watch issued November 25 at 12:48PM MST until November 28 at 5:00PM MST by NWS Great Falls MT |
| Description: |
...HAZARDOUS WINTER WEATHER SYSTEM TO AFFECT THE AREA LATE THANKSGIVING AFTERNOON THROUGH FRIDAY... .A winter storm system will track across the Northern Rockies and Montana late Thursday through Friday, bringing snow with significant accumulation possible across portions of North-central Montana. A cold front will move south through the area Thursday night through Friday morning, bringing gusty north winds and colder temperatures. * WHAT...Heavy snow possible with gusty north winds developing Thursday night through Friday morning. Total snow accumulations between 4 and 7 inches possible. * WHERE...A portion of north central Montana. * WHEN...From Thursday afternoon through Friday afternoon. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes. * ADDITIONAL DETAILS...Light snow is expected to develop Thursday afternoon and intensify overnight before tapering off Friday afternoon. Gusty north winds developing late Thursday night through Friday morning could create areas of blowing and drifting snow. The most impactful period of winter weather is likely early Friday morning. |