Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | High Wind Warning |
| Area(s): | Bears Paw Mountains and Southern Blaine |
| Effective: | 2026-09-25 @ 10:48 pm -> 2026-09-26 @ 7:00 am |
| Onset: | 2026-09-25 @ 10:48 pm -> 2026-09-26 @ 7:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-09-25 @ 10:48 pm |
| Headline: | High Wind Warning issued September 25 at 9:48PM MDT until September 26 at 6:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Bears Paw Mountains and Southern Blaine. * WHEN...Until 6 AM MDT Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. |
| Alert: | High Wind Warning |
| Area(s): | Eastern Toole and Liberty; Hill County; Northern Blaine County; Western and Central Chouteau County |
| Effective: | 2026-09-25 @ 10:48 pm -> 2026-09-26 @ 7:00 am |
| Onset: | 2026-09-25 @ 10:48 pm -> 2026-09-26 @ 7:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-09-25 @ 10:48 pm |
| Headline: | High Wind Warning issued September 25 at 9:48PM MDT until September 26 at 6:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph. * WHERE...Eastern Toole and Liberty, Hill County, Northern Blaine County, and Western and Central Chouteau County. * WHEN...Until 6 AM MDT Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. |
| Alert: | High Wind Warning |
| Area(s): | Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Southern High Plains |
| Effective: | 2026-09-25 @ 10:48 pm -> 2026-09-26 @ 1:00 pm |
| Onset: | 2026-09-25 @ 10:48 pm -> 2026-09-26 @ 1:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-09-25 @ 10:48 pm |
| Headline: | High Wind Warning issued September 25 at 9:48PM MDT until September 26 at 12:00PM 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...Until noon 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. |
