Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Wind Advisory |
| Area(s): | Kootenai/Cabinet Region; Flathead/Mission Valleys |
| Effective: | 2026-09-25 @ 8:17 am -> 2026-09-26 @ 1:00 am |
| Onset: | 2026-09-25 @ 3:00 pm -> 2026-09-26 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-09-25 @ 8:17 am |
| Headline: | Wind Advisory issued September 25 at 7:17AM MDT until September 26 at 12:00AM MDT by NWS Missoula MT |
| Description: |
* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Flathead/Mission Valleys and Kootenai/Cabinet Region. * WHEN...From 2 PM this afternoon to midnight MDT tonight. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
| Alert: | Wind Advisory |
| Area(s): | Missoula/Bitterroot Valleys |
| Effective: | 2026-09-25 @ 8:17 am -> 2026-09-26 @ 1:00 am |
| Onset: | 2026-09-25 @ 3:00 pm -> 2026-09-26 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-09-25 @ 8:17 am |
| Headline: | Wind Advisory issued September 25 at 7:17AM MDT until September 26 at 12:00AM MDT by NWS Missoula MT |
| Description: |
* WHAT...West winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Missoula/Bitterroot Valleys. * WHEN...From 2 PM this afternoon to midnight MDT tonight. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds are expected west of Highway 93 through the Bitterroot valley. |
| Alert: | High Wind Warning |
| Area(s): | Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Southern High Plains |
| Effective: | 2026-09-25 @ 3:54 am -> 2026-09-25 @ 7:00 pm |
| Onset: | 2026-09-25 @ 6:00 pm -> 2026-09-26 @ 7:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-09-25 @ 3:54 am |
| Headline: | High Wind Warning issued September 25 at 2:54AM MDT until September 26 at 6:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Westerly winds 30 to 50 mph, with gusts up to 70 mph expected. * WHERE...Eastern Glacier, Western Toole, and Central Pondera, Northern High Plains, and Southern High Plains. * WHEN...From 5 PM this afternoon to 6 AM MDT Saturday. * IMPACTS...Travel could be difficult, especially for high profile vehicles. |
| Alert: | Lake Wind Advisory |
| Area(s): | Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone |
| Effective: | 2026-09-25 @ 2:04 am -> 2026-09-26 @ 2:15 am |
| Onset: | 2026-09-25 @ 9:00 am -> 2026-09-26 @ 10:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-09-25 @ 2:04 am |
| Headline: | Lake Wind Advisory issued September 25 at 1:04AM MDT until September 26 at 9:00AM MDT by NWS Glasgow MT |
| Description: |
* WHAT...South winds 15 to 25 mph with gusts up to 40 mph expected. * WHERE...Fort Peck Lake * WHEN...From 8 AM this morning to 9 AM MDT Saturday. * IMPACTS...Strong lake winds could produce rough waves which can overturn or swamp small craft. * ADDITIONAL DETAILS...Waves up to 4 feet will be possible. |
