från: 2026-03-13, 13:38
till: 2026-03-14, 12:00

* WHAT...Heavy snow. There is a likelihood of developing or ongoing major winter weather impacts. Additional snow accumulations of 2 to 5 inches in the valleys and 12 to 24 inches in the mountains. Winds gusting as high as 35 mph. * WHERE...I-90 East Missoula to Bearmouth, Highway 200 Bonner to Greenough, and Highway 83 Seeley Lake to Condon. * WHEN...Until noon MDT Saturday. * IMPACTS...For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening commute, especially over higher passes. * ADDITIONAL DETAILS...Intense snow squall are expected Saturday afternoon through evening causing periods of very heavy snow, gusty winds, and icy conditions.

från: 2026-03-13, 13:38
till: 2026-03-14, 12:00

* WHAT...Heavy snow. There is a chance of developing or ongoing major winter weather impacts. Additional snow accumulations between 2 and 8 inches. * WHERE...Essex, Polebridge, Marias Pass, Highway 83 Bigfork to Swan Lake, Glacier National Park, and Bad Rock Canyon. * WHEN...Until noon MDT Saturday. * IMPACTS...For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening and Saturday morning commute, especially over higher passes. * ADDITIONAL DETAILS...Intense snow squalls are expected Saturday morning through afternoon causing periods of very heavy snow, gusty winds, and icy conditions.

från: 2026-03-13, 21:00
till: 2026-03-14, 18:00

* WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations between 2 and 6 inches. Winds gusting as high as 40 mph. * WHERE...Flathead Valley, Mission Valley, Flathead Lake, and Polson. * WHEN...From 9 PM this evening to 6 PM MDT Saturday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. * ADDITIONAL DETAILS...Overnight accumulations range from 1 to 3 inches. Intense snow squall are expected Saturday morning through afternoon causing periods of very heavy snow, gusty winds, and icy conditions.

från: 2026-03-13, 06:24
till: 2026-03-14, 06:00

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 Fri Mar 13 2026 The Flathead Avalanche Center in Hungry Horse has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ002 (MTZ002) * WHAT...Feet of new snow and strong winds over the past few days, combined with continued snowfall today, are creating very dangerous avalanche conditions. * WHERE...Slopes above 5000 feet in the Flathead Range and in the Lake McDonald and Marias Pass areas of Glacier National Park. * WHEN...In effect from Fri 06:00 MDT to Sat 06:00 MDT. * IMPACTS...Natural and human-triggered avalanches are very likely. Avalanches will release in the surface snow and on weak layers buried several feet deep, resulting in large to very large 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.

från: 2026-03-13, 07:14
till: 2026-03-14, 07:00

AVWMSO The following message is transmitted at the request of West Central Montana Avalanche Center Missoula MT. ...AVALANCHE WARNING ISSUED BY THE WEST CENTRAL MONTANA AVALANCHE CENTER... 07:06 MDT Fri Mar 13 2026 The West Central Montana Avalanche Center in Missoula has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ006 (MTZ006)...MTZ043 (MTZ043) * WHAT...Continued heavy snowfall in the mountains is creating dangerous avalanche conditions. * WHERE...The mountains above Seeley Lake, the Rattlesnake, and the Bitterroot mountains from Lolo Pass to Lost Trail Pass. * WHEN...In effect from Fri 07:06 MDT to Sat 06:00 MDT. * IMPACTS...3-5 feet of new snow with more expected today has created High avalanche danger. Large natural and human-triggered avalanches are likely. * 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 https://missoulaavalanche.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.