2025-12-22T09:00:00-07:00
* WHAT...Snow expected. There is a likelihood of minor winter weather impacts. Total snow accumulations 6 to 10 inches in the high terrain, including Lost Trail Pass, and 1 to 3 inches in the valleys. Winds gusting 35 to as 45 mph in the terrain. * WHERE...Highway 28 Tendoy to Lone Pine, Highway 93 Lost Trail Pass to Gibbonsville, Shoup, Bannock Pass, Lemhi Pass, Williams Creek Summit, and Salmon. * WHEN...Until 9 AM MST Monday. * IMPACTS...Winter traveling conditions. For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Monday morning commute, especially over higher passes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow levels are expected to rise today with valleys, including Salmon, switching to a wintry mix or rain. Should snow levels rise slower than forecast, an additional 1 to 3 inches of snow is possible.
Lost Trail Powder Mountain Ski Report
Rate this placeNearby: Lost Trail
Last Updated: December 21, 2025
A powder day is shaping up at Lost Trail Powder Mountain this December 21, 2025. 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.
Snowfall Totals & Snow Forecast
Hourly Snowfall
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Summary
With an overnight low of 16°F, snow conditions are staying prime, and the base is holding strong at 43 inches—well above average by over 17%. Overnight grooming mixed with fresh snowfall has created dreamy conditions across the mountain. Skiers and riders can look forward to 2.38 inches of fresh snow in the next 24 hours, with storms building throughout the holiday week promising nearly 7 inches by the weekend. Ideal for both powder hounds and family vacationers, the terrain is soft, carvable, and ready for all levels.
The buzz around Lost Trail is growing. With its recent inclusion in the Powder Alliance and a new trail map unveiling that enhances cross-border access between Idaho and Montana, this hidden gem is stepping into the spotlight. Local chatter and headlines highlight its rugged, unmarked powder stashes and affordability, making it the perfect destination for adventurers seeking solitude without sacrificing stoke. Whether you're chasing cliff drops or just cruising with the family, Lost Trail’s mix of fresh snowfall and rising notoriety make it the place to be this week.
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. the snow could be heavy at times. high near 30. south wind 7 to 14 mph, with gusts as high as 21 mph. chance of precipitation is 100%. new snow accumulation of 4 to 8 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 7.7" of new snowfall in the next 5 days.
What are ski area conditions in Idaho like right now?
Heavy snowfall is forecast across southwest Montana, with standout accumulations expected near West Yellowstone, Carrot Basin, and Black Bear. Areas around Big Sky Resort and Lone Mountain are expecting 10–25 inches over the next five days, with 1" already falling in the last 24 hours. The Madison Plateau and nearby Tepee Creek are expecting up to 29" and 21" respectively. ... Read more