Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Lake Wind Advisory |
| Area(s): | Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone |
| Effective: | 2026-10-22 @ 12:14 pm -> 2026-10-23 @ 5:00 am |
| Onset: | 2026-10-23 @ 1:00 pm -> 2026-10-24 @ 1:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-10-22 @ 12:14 pm |
| Headline: | Lake Wind Advisory issued October 22 at 11:14AM MDT until October 24 at 12:00PM MDT by NWS Glasgow MT |
| Description: |
* WHAT...Northwest winds 15 to 30 mph with gusts up to 45 mph expected. * WHERE...Fort Peck Lake. * WHEN...From noon Friday to noon MDT Saturday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Wave heights up to 5 feet possible. |
| Alert: | Winter Weather Advisory |
| Area(s): | Butte/Blackfoot Region |
| Effective: | 2026-10-22 @ 11:24 am -> 2026-10-24 @ 1:00 am |
| Onset: | 2026-10-23 @ 4:00 pm -> 2026-10-24 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-10-22 @ 11:24 am |
| Headline: | Winter Weather Advisory issued October 22 at 10:24AM MDT until October 24 at 12:00AM MDT by NWS Missoula MT |
| Description: |
* WHAT...Snow expected above 6000 feet. Total snow accumulations trace to three inches. A period of moderate snow showers may develop around rush hour. * WHERE...MacDonald and Homestake Pass along with Georgetown Lake. * WHEN...From 3 PM Friday to midnight MDT Friday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday evening commute. |
| Alert: | High Wind Watch |
| Area(s): | Eastern Glacier, Western Toole, and Central Pondera; Eastern Toole and Liberty; Hill County; Eastern Pondera and Eastern Teton; Western and Central Chouteau County |
| Effective: | 2026-10-22 @ 3:58 am -> 2026-10-22 @ 6:00 pm |
| Onset: | 2026-10-23 @ 12:00 pm -> 2026-10-23 @ 4:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2026-10-22 @ 3:58 am |
| Headline: | High Wind Watch issued October 22 at 2:58AM MDT until October 23 at 3:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Northwest winds 30 to 40 mph, with gusts up to 60 mph possible. * WHERE...Eastern Glacier, Western Toole, and Central Pondera, Eastern Pondera and Eastern Teton, Eastern Toole and Liberty, Hill County, and Western and Central Chouteau County. * WHEN...From Friday morning through Friday evening. * IMPACTS...Travel could be difficult, especially for high profile vehicles. |
| Alert: | Winter Weather Advisory |
| Area(s): | Little Belt and Highwood Mountains |
| Effective: | 2026-10-21 @ 11:53 pm -> 2026-10-22 @ 6:00 pm |
| Onset: | 2026-10-23 @ 1:00 pm -> 2026-10-24 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-21 @ 11:53 pm |
| Headline: | Winter Weather Advisory issued October 21 at 10:53PM MDT until October 24 at 12:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations between 2 and 5 inches. Winds gusting as high as 45 mph. * WHERE...Little Belt and Highwood Mountains. * WHEN...From noon Friday to midnight MDT Friday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday evening commute. Gusty winds could bring down tree branches. |
| Alert: | Winter Weather Advisory |
| Area(s): | Elkhorn and Boulder Mountains; Northwest Beaverhead County; Gallatin and Madison County Mountains and Centennial Mountains |
| Effective: | 2026-10-21 @ 11:53 pm -> 2026-10-22 @ 6:00 pm |
| Onset: | 2026-10-23 @ 1:00 pm -> 2026-10-24 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-21 @ 11:53 pm |
| Headline: | Winter Weather Advisory issued October 21 at 10:53PM MDT until October 24 at 12:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations 2 to 5 inches. * WHERE...Elkhorn and Boulder Mountains, Gallatin and Madison County Mountains and Centennial Mountains, and Northwest Beaverhead County. * WHEN...From noon Friday to midnight MDT Friday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday evening commute. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bears Paw Mountains and Southern Blaine; Snowy and Judith Mountains |
| Effective: | 2026-10-21 @ 11:53 pm -> 2026-10-22 @ 6:00 pm |
| Onset: | 2026-10-23 @ 7:00 pm -> 2026-10-24 @ 4:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-21 @ 11:53 pm |
| Headline: | Winter Weather Advisory issued October 21 at 10:53PM MDT until October 24 at 3:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations 2 to 5 inches. Winds gusting as high as 45 mph. * WHERE...Snowy and Judith Mountains and Bears Paw Mountains. * WHEN...From 6 PM Friday to 3 AM MDT Saturday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. |
