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 High Plains |
| Effective: | 2026-03-19 @ 1:43 am -> 2026-03-20 @ 1:00 am |
| Onset: | 2026-03-19 @ 1:43 am -> 2026-03-19 @ 6:15 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-03-19 @ 1:43 am |
| Headline: | High Wind Warning issued March 19 at 12:43AM MDT until March 20 at 12:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...For the High Wind Warning, southwest winds 40 to 50 mph with gusts up to 80 mph east of the US Highway 89 corridor and over 90 mph at times west of the US Highway 89 corridor. For the High Wind Watch, southwest winds 40 to 50 mph with gusts up to 80 mph possible. * WHERE...The Montana Hi-Line adjacent to the Rocky Mountain Front, and Southern High Plains. * WHEN...For the High Wind Warning, until midnight MDT tonight. For the High Wind Watch, from Friday morning through Saturday morning. * IMPACTS...High winds may move loose debris, damage property, and cause isolated power outages. Travel could be difficult to dangerous, especially for high profile or light weight vehicles. |
| Alert: | High Wind Watch |
| Area(s): | Southern Rocky Mountain Front; Upper Blackfoot and MacDonald Pass |
| Effective: | 2026-03-19 @ 1:43 am -> 2026-03-21 @ 1:00 pm |
| Onset: | 2026-03-20 @ 7:00 am -> 2026-03-19 @ 6:15 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2026-03-19 @ 1:43 am |
| Headline: | High Wind Watch issued March 19 at 12:43AM 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 75 mph possible, highest along the Southern Rocky Mountain Front. * WHERE...Upper Blackfoot and MacDonald Pass and Southern Rocky Mountain Front. * WHEN...From Friday morning through Saturday morning. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. |
| Alert: | High Wind Watch |
| Area(s): | Western and Central Chouteau County; 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: | 2026-03-19 @ 1:43 am -> 2026-03-21 @ 1:00 pm |
| Onset: | 2026-03-20 @ 10:00 am -> 2026-03-19 @ 6:15 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2026-03-19 @ 1:43 am |
| Headline: | High Wind Watch issued March 19 at 12:43AM 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 60 mph possible. * WHERE...Cascade County, including the Little Belt and Highwood Mountains, Western and Central Chouteau County, Judith Basin County and Judith Gap, Fergus County below 4500ft, and Big Belt, Bridger and Castle Mountains. * WHEN...From Friday morning through Saturday morning. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. |
| Alert: | High Wind Watch |
| Area(s): | East Glacier Park Region; Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Southern High Plains |
| Effective: | 2026-03-19 @ 1:43 am -> 2026-03-21 @ 1:00 pm |
| Onset: | 2026-03-20 @ 7:00 am -> 2026-03-19 @ 6:15 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2026-03-19 @ 1:43 am |
| Headline: | High Wind Watch issued March 19 at 12:43AM MDT until March 21 at 12:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...For the High Wind Warning, southwest winds 40 to 50 mph with gusts up to 80 mph east of the US Highway 89 corridor and over 90 mph at times west of the US Highway 89 corridor. For the High Wind Watch, southwest winds 40 to 50 mph with gusts up to 80 mph possible. * WHERE...The Montana Hi-Line adjacent to the Rocky Mountain Front, and Southern High Plains. * WHEN...For the High Wind Warning, until midnight MDT tonight. For the High Wind Watch, from Friday morning through Saturday morning. * IMPACTS...High winds may move loose debris, damage property, and cause isolated power outages. Travel could be difficult to dangerous, especially for high profile or light weight vehicles. |
| Alert: | Avalanche Warning |
| Area(s): | Kootenai/Cabinet Region; West Glacier Region |
| Effective: | 2026-03-18 @ 7:44 am |
| Onset: | 2026-03-18 @ 7:44 am -> 2026-03-19 @ 7:00 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Missoula MT on 2026-03-18 @ 7:44 am |
| Headline: | Avalanche Warning issued March 18 at 6:44AM 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 Wed Mar 18 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...Above-freezing temperatures, strong winds, and rain have created very dangerous avalanche conditions. * 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 Wed 06:00 MDT to Thu 06:00 MDT. * IMPACTS...Natural and human-triggered avalanches are very likely. Wet loose avalanches will entrain a dangerous amount of wet 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. |