Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: Winter Weather Advisory
Area(s): Bitterroot/Sapphire Mountains
Effective: 2026-11-15 @ 11:48 am -> 2026-11-18 @ 12:00 am
Onset: 2026-11-17 @ 12:00 am -> 2026-11-18 @ 12:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Missoula MT on 2026-11-15 @ 11:48 am
Headline: Winter Weather Advisory issued November 15 at 10:48AM MST until November 17 at 11:00PM MST by NWS Missoula MT
Description: * WHAT...Snow expected above 3500 feet. Total snow accumulations of 3
to 5 inches Lolo Pass, 4 to 8 inches Lost Trail Pass and Skalkaho
Pass, 2 to 4 inches Painted Rocks and Sula areas, and 1 to 2 inches
Rock Creek area.

* WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass.

* WHEN...From 11 PM Monday to 11 PM MST Tuesday.

* IMPACTS...Travel could be very difficult at passes and backcountry
Forest Service roads. The hazardous conditions will impact the
Tuesday morning and evening commutes.

Alert: Winter Weather Advisory
Area(s): Northwest Beaverhead County
Effective: 2026-11-15 @ 10:48 am -> 2026-11-16 @ 6:00 am
Onset: 2026-11-17 @ 12:00 am -> 2026-11-18 @ 12:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-11-15 @ 10:48 am
Headline: Winter Weather Advisory issued November 15 at 9:48AM MST until November 17 at 11:00PM MST by NWS Great Falls MT
Description: * WHAT...Snow expected. Total snow accumulations between 2 and 6
inches.

* WHERE...Northwest Beaverhead County.

* WHEN...From 11 PM Monday to 11 PM MST Tuesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
conditions will impact the Tuesday morning and evening commutes.

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