2025-12-05T11:00:00-07:00
...PROLONGED SNOW EVENT... .A plume of snow will continue to impacted north central Idaho into west central and southwest Montana tonight. The snow activity will decrease in intensity during the day on Friday, then a second plume of precipitation will impact the region late Friday through Saturday. * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations up to 3 inches in the valleys and 4 to 9 inches in the higher terrain and mountain passes. * WHERE...Highway 28 Tendoy to Lone Pine, Lemhi Pass, Shoup, Bannock Pass, Williams Creek Summit, Highway 93 Lost Trail Pass to Gibbonsville, and Salmon. * WHEN...From 5 PM this afternoon to 11 AM MST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes, especially over higher passes.
Lost Trail Powder Mountain Ski Report
Rate this placeNearby: Lost Trail
Last Updated: December 4, 2025
It’s shaping up to be a powder-filled weekend at Lost Trail Powder Mountain as flurries begin to fly across the Idaho-Montana border. Lost Trail Powder Mountain ski resort in Idaho offers a variety of terrain for all levels of skiers, with the best trails being the long and winding groomers on the backside.
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Summary
This morning’s air temperature dipped to a crisp 15.8°F, laying the foundation for optimal snow preservation. With a current base depth of 13 inches—well below average—conditions are still early season, but Mother Nature is ready to deliver. A steady storm system is expected to drop nearly 2 inches in the next 24 hours with an impressive 14+ inches forecasted over the next 72, and a total of 18 inches anticipated by early next week. Riders should expect softening turns and fresh lines by midweek as the snow builds.
Excitement continues to build with Lost Trail’s season opener recently announced, signaling the mountain’s readiness to welcome back skiers and snowboarders. With its inclusion in the Powder Alliance last season, Lost Trail has become a go-to for powder-chasers looking for affordable adventure—especially those rocking the Indy Pass. While the snowpack remains thin, the coming days promise fresh coverage across the steep cliffs and couloirs that have made the area a SnowBrains favorite. Keep your eye on the storm track, and pack your gear: the season is kicking off with a wintry wallop.
Hourly Snowfall Totals
Recent & Projected
Weather Forecast
Seasonal Comparison
Year over year snow water equivalent
Snow Water Equivalent (SWE) shows how much water the snow holds. This is ideal for year-to-year tracking of real snowfall and water resources. Measurements from Saddle Mtn..
Regional Snowpack Depth
Snow levels measured from Saddle Mtn.
Snowpack depth measures how much snow has accumulated in the area. This is a key indicator of powder quality, trail coverage, and how epic your runs are going to be this season at Lost Trail Powder Mountain.
Historical Air Temperature
Temperature fluctuations at Lost Trail Powder Mountain
Recent air temperature fluctuations at Lost Trail Powder Mountain impact snow quality and stability, from powder to slush.
About the Area
Lost Trail Powder Mountain ski resort in Idaho is located in the Bitterroot Range of the Rocky Mountains. The resort sits on the border of Idaho and Montana, with the Bitterroot Mountains to the west and the Beaverhead Mountains to the east. The ski area features a variety of terrain, including steep chutes, open bowls, and gladed runs, making it a popular destination for skiers and snowboarders of all levels. The resort also offers stunning views of the surrounding mountains and valleys, making it a scenic and adventurous destination for winter sports enthusiasts.
An interesting fact about the resort is that it was originally a mining town in the late 1800s and the original mine shafts can still be seen on the slopes. For beginner skiers, the Magic Carpet lift provides easy access to gentle slopes perfect for learning. After a day on the mountain, the cozy Foggy Bottom Lounge offers a great spot for apres ski drinks and live music. Overall, Lost Trail Powder Mountain is a hidden gem in the Rocky Mountains, offering stunning scenery and a laid-back atmosphere.
Lost Trail Powder Mountain FAQ
How much snow did Lost Trail Powder Mountain receive over the past day?
The ski area received 0" of new snowfall since yesterday.
What's the weather like at Lost Trail Powder Mountain today?
Weather today, snow likely, mainly after 2pm. mostly cloudy, with a high near 23. west southwest wind 6 to 9 mph. chance of precipitation is 70%. total daytime snow accumulation of 1 to 2 inches possible.
How much new snowfall is forecasted for Lost Trail Powder Mountain this week?
Lost Trail Powder Mountain is expected to receive up to 18.15" of new snowfall in the next 5 days.
What are ski area conditions in Idaho like right now?
Montana is seeing significant snowfall forecasts in the southwestern and northwestern regions. The highest 5-day snowfall totals are expected near Twin Lakes (35"), Twelvemile Creek and Hoodoo Basin (33"), and Noisy Basin (27"). These areas are closest to major ski destinations like Lost Trail Powder Mountain and Montana Snowbowl. The Big Sky area, near Lone Mountain and Carrot Basin, is ... Read more