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 likelihood of developing or ongoing major winter weather impacts. Additional snow accumulations of 6 to 10 inches, except 1 to 3 inches in the lower elevations. * WHERE...Evaro Hill, Highway 200 Trout Creek to Heron, I-90 Lookout Pass to Haugan, and Highway 200 Thompson Falls to Plains. * 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 squalls 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 above 5000 feet. There is the likelihood of ongoing major winter weather impacts. Additional snow accumulations between 2 and 5 inches in the lower elevations, 6 to 12 inches over Lost Trail and Lolo Passes, with 2 feet in the high terrain. Winds gusting as high as 40 mph. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * 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. Gusty winds could bring down tree branches.

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.