Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: Special Weather Statement
Area(s): Southern High Plains; Eastern Pondera and Eastern Teton
Effective: 2026-06-12 @ 2:44 pm -> 2026-06-12 @ 3:30 pm
Onset: 2026-06-12 @ 2:44 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-06-12 @ 2:44 pm
Headline: Special Weather Statement issued June 12 at 1:44PM MDT by NWS Great Falls MT
Description: At 144 PM MDT, Doppler radar was tracking a strong thunderstorm over
Choteau, moving east at 25 mph.

HAZARD...Wind gusts up to 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.

Locations impacted include...
Choteau, Dutton, and Farmington.

Alert: Special Weather Statement
Area(s): Eastern Glacier, Western Toole, and Central Pondera; Eastern Toole and Liberty; Eastern Pondera and Eastern Teton
Effective: 2026-06-12 @ 2:22 pm -> 2026-06-12 @ 3:00 pm
Onset: 2026-06-12 @ 2:22 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-06-12 @ 2:22 pm
Headline: Special Weather Statement issued June 12 at 1:22PM MDT by NWS Great Falls MT
Description: At 121 PM MDT, Doppler radar was tracking a strong thunderstorm 11
miles southeast of Cut Bank, moving southeast at 25 mph.

HAZARD...Wind gusts up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.

This storm will remain over mainly rural areas of northeastern
Pondera, southeastern Glacier and southwestern Toole Counties.

Alert: Winter Weather Advisory
Area(s): Absaroka/Beartooth Mountains
Effective: 2026-06-12 @ 1:42 pm -> 2026-06-13 @ 1:00 pm
Onset: 2026-06-12 @ 7:00 pm -> 2026-06-13 @ 1:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-06-12 @ 1:42 pm
Headline: Winter Weather Advisory issued June 12 at 12:42PM MDT until June 13 at 12:00PM MDT by NWS Billings MT
Description: * WHAT...Wet snow expected for the Beartooth Highway. Total snow
accumulations up to three inches. Greatest accumulations above 9000
feet.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...From 6 PM this evening to noon MDT Saturday.

* IMPACTS...Travel on the Beartooth Highway will be impacted by
wintry conditions, mainly at elevations above Vista Point.

* ADDITIONAL DETAILS...Those with recreation plans in the high
country should be prepared for wintry conditions.

Alert: Lake Wind Advisory
Area(s): Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone
Effective: 2026-06-12 @ 12:24 am -> 2026-06-12 @ 10:00 pm
Onset: 2026-06-12 @ 12:00 pm -> 2026-06-12 @ 10:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Glasgow MT on 2026-06-12 @ 12:24 am
Headline: Lake Wind Advisory issued June 11 at 11:24PM MDT until June 12 at 9:00PM MDT by NWS Glasgow MT
Description: * WHAT...Northwest winds 15 to 25 mph with gusts up to 35 mph
expected.

* WHERE...Fort Peck Lake

* WHEN...From 11 AM to 9 PM MDT Friday.

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

* ADDITIONAL DETAILS...Wave heights up to 4 feet are expected around
Haxby Point into the Dry Arm and over to Bear Creek.