Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: Special Weather Statement
Area(s): Northern Stillwater; Southwestern Yellowstone
Effective: 2026-08-29 @ 9:16 pm -> 2026-08-29 @ 10:00 pm
Onset: 2026-08-29 @ 9:16 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Billings MT on 2026-08-29 @ 9:16 pm
Headline: Special Weather Statement issued August 29 at 8:16PM MDT by NWS Billings MT
Description: At 816 PM MDT, Doppler radar was tracking a gust front ahead of a
line of showers and thunderstorms extending from 9 miles northwest of
Billings West End to near Laurel, moving east at 35 mph.

HAZARD...Wind gusts of 40 to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.

Locations impacted include...
Billings, Laurel, Billings West End, Billings Heights, Lockwood,
Shepherd, Huntley, Acton, Comanche, Molt and Park City.

Alert: Lake Wind Advisory
Area(s): Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone
Effective: 2026-08-29 @ 1:01 pm -> 2026-08-30 @ 5:45 am
Onset: 2026-08-30 @ 8:00 am -> 2026-08-30 @ 7:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Glasgow MT on 2026-08-29 @ 1:01 pm
Headline: Lake Wind Advisory issued August 29 at 12:01PM MDT until August 30 at 6:00PM MDT by NWS Glasgow MT
Description: * WHAT...West winds 15 to 20 mph with gusts up to 35 mph expected
Fort Peck Lake.

* WHERE...Fort Peck Lake.

* WHEN...From 7 AM to 6 PM MDT Sunday.

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

* ADDITIONAL DETAILS...Waves up to 4 feet high are expected.