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.

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