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. |