Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: Fire Weather Watch
Area(s): Gallatin National Forest; Wheatland County/Sweet Grass County; Golden Valley County/Musselshell County
Effective: 2026-09-08 @ 1:15 pm -> 2026-09-09 @ 1:15 pm
Onset: 2026-09-10 @ 1:00 pm -> 2026-09-10 @ 9:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Billings MT on 2026-09-08 @ 1:15 pm
Headline: Fire Weather Watch issued September 8 at 12:15PM MDT until September 10 at 8:00PM MDT by NWS Billings MT
Description: The National Weather Service in Billings has issued a Fire Weather
Watch...which is in effect from Thursday afternoon through
Thursday evening.

* IMPACTS: Low humidities, unseasonably warm temperatures, and
strong gusty winds will create erratic fire behavior.

* AFFECTED AREA:
In South Central MT Fire Zones...123...124...127.

* COUNTIES AFFECTED:
In Central MT...Golden Valley...Musselshell...Wheatland.
In South Central MT...Park...Sweet Grass.
In Southwest MT...Gallatin.

* WIND: West 10 to 20 mph with gusts up to 35 mph.

* HUMIDITY: As low as 10 percent.

* TEMPERATURES: In the 80s.

* ADDITIONAL DETAILS: The worst conditions are expected across
lower elevations that have received little precipitation in the
past week.

Alert: Fire Weather Watch
Area(s): Dawson/McCone/Prairie/Richland/Wibaux Counties
Effective: 2026-09-08 @ 10:41 am -> 2026-09-09 @ 7:00 am
Onset: 2026-09-10 @ 1:00 pm -> 2026-09-10 @ 9:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Glasgow MT on 2026-09-08 @ 10:41 am
Headline: Fire Weather Watch issued September 8 at 9:41AM MDT until September 10 at 8:00PM MDT by NWS Glasgow MT
Description: The National Weather Service in Glasgow has issued a Fire Weather
Watch, which is in effect from Thursday afternoon through
Thursday evening.

* AFFECTED AREA...Fire weather zone 122.

* WIND...WEST AT 10 TO 20 WITH GUSTS TO 30 MPH.

* HUMIDITY...AS LOW AS 11 PERCENT.

* THUNDERSTORMS...NONE.

* IMPACTS...Any fires that develop will possibly spread rapidly.
Outdoor burning is not recommended.

Alert: Lake Wind Advisory
Area(s): Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone
Effective: 2026-09-08 @ 10:11 am -> 2026-09-09 @ 1:00 am
Onset: 2026-09-08 @ 10:11 am -> 2026-09-09 @ 1:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Glasgow MT on 2026-09-08 @ 10:11 am
Headline: Lake Wind Advisory issued September 8 at 9:11AM MDT until September 9 at 12:00AM MDT by NWS Glasgow MT
Description: * WHAT...West winds 15 to 25 mph with gusts up to 40 mph.

* WHERE...Central and Southeast Phillips, Central and Southern
Valley, Garfield, McCone, and Petroleum Counties.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Strong winds and rough waves on area lakes will create
hazardous conditions for small craft.

* ADDITIONAL DETAILS...Waves up to 5 feet are expected on Fort Peck
Lake today.

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