Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: High Wind Warning
Area(s): East Glacier Park Region; Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Southern Rocky Mountain Front; Southern High Plains; Upper Blackfoot and MacDonald Pass
Effective: 2026-03-20 @ 2:01 pm -> 2026-03-21 @ 1:00 pm
Onset: 2026-03-20 @ 2:01 pm -> 2026-03-21 @ 6:15 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-03-20 @ 2:01 pm
Headline: High Wind Warning issued March 20 at 1:01PM MDT until March 21 at 12:00PM MDT by NWS Great Falls MT
Description: * WHAT...West winds 35 to 45 mph with gusts up to 80 mph. Isolated
gusts to 95 mph along the immediate east slopes of the Rocky
Mountain Front.

* WHERE...The Rocky Mountain Front and adjacent foothills and
plains, Eastern Glacier, Western Toole, and Central Pondera
Counties, and Upper Blackfoot and MacDonald Pass.

* WHEN...Until noon MDT Saturday.

* IMPACTS...High winds may move loose debris, damage property and
cause power outages. Travel could be difficult, especially for
high profile vehicles.

* ADDITIONAL DETAILS...Blowing dust in prone areas could lead to
localized reductions in visibility.

Alert: High Wind Warning
Area(s): Cascade County below 5000ft; Judith Basin County and Judith Gap; Fergus County below 4500ft; Little Belt and Highwood Mountains; Big Belt, Bridger and Castle Mountains
Effective: 2026-03-20 @ 2:01 pm -> 2026-03-21 @ 1:00 pm
Onset: 2026-03-20 @ 2:01 pm -> 2026-03-21 @ 6:15 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-03-20 @ 2:01 pm
Headline: High Wind Warning issued March 20 at 1:01PM MDT until March 21 at 12:00PM MDT by NWS Great Falls MT
Description: * WHAT...West winds 30 to 40 mph with gusts up to 65 mph. Gusts up
to 75 mph in eastern Glacier county.

* WHERE...Cascade County, including the Little Belt and Highwood
Mountains, Judith Basin County and Judith Gap, Fergus County below
4500ft, and Big Belt, Bridger and Castle Mountains.

* WHEN...Until noon MDT Saturday.

* IMPACTS...High winds may move loose debris, damage property and
cause power outages. Travel could be difficult, especially for
high profile vehicles.

* ADDITIONAL DETAILS...Blowing dust in prone areas could lead to
localized reductions in visibility.

Alert: Avalanche Warning
Area(s): Kootenai/Cabinet Region; West Glacier Region
Effective: 2026-03-19 @ 7:04 am
Onset: 2026-03-19 @ 7:04 am -> 2026-03-21 @ 7:00 am
Severity: Unknown
Certainty: Unknown
Urgency: Unknown
Issued By: NWS Missoula MT on 2026-03-19 @ 10:56 am
Headline: Avalanche Warning issued March 19 at 6:04AM MDT by NWS Missoula MT
Description: AVWMSO

The following message is transmitted at the request of Flathead Avalanche
Center Hungry Horse MT.

...AVALANCHE WARNING ISSUED BY THE FLATHEAD AVALANCHE CENTER...

06:00 MDT Thu Mar 19 2026
The Flathead Avalanche Center in Hungry Horse has issued a BACKCOUNTRY
AVALANCHE WARNING for the following areas:

NWS Missoula MT -
MTZ001 (MTZ001)...MTZ002 (MTZ002)

* WHAT...Rain and warm temperatures have created very dangerous avalanche
conditions that will likely persist through Saturday.

* WHERE...Slopes above 5,000 feet in the Whitefish, Swan, Flathead Ranges,
and the Lake McDonald and Marias Pass areas of Glacier National Park.</p>

* WHEN...In effect from Thu 06:00 MDT to Sat 06:00 MDT.

* IMPACTS...Natural and human-triggered avalanches are very likely. Wet
avalanches will entrain a dangerous amount of debris. Weak layers buried
several feet deep may fail, resulting in very large and destructive
avalanches.

* PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche
conditions. Travel in avalanche terrain is not recommended. Avalanches may
run long distances and can run into mature forests, valley floors, or flat
terrain.

Consult http://www.flatheadavalanche.org/ or www.avalanche.org for more
detailed information.

Similar avalanche danger may exist at locations outside the coverage area of
this or any avalanche center.