Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: Winter Weather Advisory
Area(s): Southern Rocky Mountain Front; Upper Blackfoot and MacDonald Pass; Helena Valley; Elkhorn and Boulder Mountains; Northwest Beaverhead County
Effective: 2026-02-09 @ 9:22 am -> 2026-02-09 @ 12:00 pm
Onset: 2026-02-09 @ 9:22 am -> 2026-02-09 @ 12:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-02-09 @ 9:22 am
Headline: Winter Weather Advisory issued February 9 at 8:22AM MST until February 9 at 11:00AM MST by NWS Great Falls MT
Description: * WHAT...Snow. Additional snow accumulations up to one inch at lower
elevations and between 2 and 4 inches in the mountains.

* WHERE...Elkhorn and Boulder Mountains, Helena Valley, Upper
Blackfoot and MacDonald Pass, Southern Rocky Mountain Front, and
Northwest Beaverhead County.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.

* ADDITIONAL DETAILS...Expect impacts to the Monday commute. Take
extra precautions when traveling over mountain passes, as
conditions may rapidly change with elevation.

Alert: Winter Weather Advisory
Area(s): Judith Basin County and Judith Gap; Fergus County below 4500ft; Little Belt and Highwood Mountains; Snowy and Judith Mountains; Big Belt, Bridger and Castle Mountains; Meagher County Valleys; Gallatin and Madison County Mountains and Centennial Mountains
Effective: 2026-02-09 @ 9:22 am -> 2026-02-09 @ 3:00 pm
Onset: 2026-02-09 @ 9:22 am -> 2026-02-09 @ 3:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-02-09 @ 9:22 am
Headline: Winter Weather Advisory issued February 9 at 8:22AM MST until February 9 at 2:00PM MST by NWS Great Falls MT
Description: * WHAT...Snow. Additional snow accumulations between 1 and 3 inches
at lower elevations and between 3 and 6 inches in the mountains.

* WHERE...Portions of central, north central, and southwest Montana.

* WHEN...Until 2 PM MST this afternoon.

* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.

* ADDITIONAL DETAILS...Expect impacts to the Monday commute. Take
extra precautions when traveling over mountain passes, as
conditions may rapidly change with elevation.

Alert: Winter Weather Advisory
Area(s): Musselshell; Golden Valley; Judith Gap; Melville Foothills; Southern Wheatland
Effective: 2026-02-09 @ 2:04 am -> 2026-02-09 @ 3:00 pm
Onset: 2026-02-09 @ 2:04 am -> 2026-02-09 @ 3:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-02-09 @ 2:04 am
Headline: Winter Weather Advisory issued February 9 at 1:04AM MST until February 9 at 2:00PM MST by NWS Billings MT
Description: * WHAT...Snow. Total snow accumulations between 3 and 6 inches.

* WHERE...Golden Valley, Judith Gap, Musselshell, Southern Wheatland,
and Melville Foothills.

* WHEN...Until 2 PM MST this afternoon.

* IMPACTS...Roads, and especially bridges and overpasses, will likely
become slushy, slick and hazardous. Plan on winter driving
conditions. The hazardous conditions will impact the Monday morning
commute.

Alert: Winter Weather Advisory
Area(s): Northern Stillwater; Northern Sweet Grass
Effective: 2026-02-09 @ 2:04 am -> 2026-02-09 @ 3:00 pm
Onset: 2026-02-09 @ 2:04 am -> 2026-02-09 @ 3:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-02-09 @ 2:04 am
Headline: Winter Weather Advisory issued February 9 at 1:04AM MST until February 9 at 2:00PM MST by NWS Billings MT
Description: * WHAT...Snow. Total snow accumulations between 2 and 5 inches.

* WHERE...Northern Stillwater and Northern Sweet Grass.

* WHEN...Until 2 PM MST this afternoon.

* IMPACTS...Roads, and especially bridges and overpasses, will likely
become slushy, slick and hazardous. Plan on winter driving
conditions. The hazardous conditions will impact the Monday morning
commute.

* ADDITIONAL DETAILS...The heaviest snowfall is expected along and
near the northern county line from Melville to Rapelje.

Alert: Winter Storm Warning
Area(s): Absaroka/Beartooth Mountains; Crazy Mountains
Effective: 2026-02-09 @ 2:04 am -> 2026-02-09 @ 6:00 pm
Onset: 2026-02-09 @ 2:04 am -> 2026-02-09 @ 6:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-02-09 @ 2:04 am
Headline: Winter Storm Warning issued February 9 at 1:04AM MST until February 9 at 5:00PM MST by NWS Billings MT
Description: * WHAT...Heavy snow expected with areas of blowing snow. Snow
accumulations between 10 and 20 inches. Winds gusting 40 to 50 mph.

* WHERE...Absaroka/Beartooth Mountains and Crazy Mountains.

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Recreation in the high country will be impacted by heavy
accumulating snow. Travel could be very difficult to impossible
between Mammoth and Cooke City. Widespread blowing snow could
produce near whiteout conditions at times.