Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | High Wind Watch |
| Area(s): | Madison River Valley |
| Effective: | 2026-09-11 @ 12:36 pm -> 2026-09-12 @ 3:45 am |
| Onset: | 2026-09-13 @ 1:00 pm -> 2026-09-13 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2026-09-11 @ 12:36 pm |
| Headline: | High Wind Watch issued September 11 at 11:36AM MDT until September 13 at 9:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Madison River Valley. * WHEN...From Sunday afternoon through Sunday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. |
| Alert: | Fire Weather Watch |
| Area(s): | Eastern Beaverhead National Forest |
| Effective: | 2026-09-11 @ 11:27 am -> 2026-09-12 @ 2:00 pm |
| Onset: | 2026-09-13 @ 1:00 pm -> 2026-09-13 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Missoula MT on 2026-09-11 @ 11:27 am |
| Headline: | Fire Weather Watch issued September 11 at 10:27AM MDT until September 13 at 8:00PM MDT by NWS Missoula MT |
| Description: |
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR EAST BEAVERHEAD... The National Weather Service in Missoula MT has issued a Fire Weather Watch. * AFFECTED AREA...Fire Weather Zone 111. * TIMING...From Sunday afternoon through Sunday evening. * WINDS...Southwest winds 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...Relative Humidity between 15 to 25 percent. * Strongest winds and lowest RH will be across the southern half of the zone. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended. |
