Winter Weather Advisory
2025-12-23T12:00:00-07:00

* WHAT...Mixed precipitation expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations up to one inch and ice accumulations around a light glaze in the valleys. Mountain passes will see 2 to 5 inches of new snow. * WHERE...Shoup, Williams Creek Summit, Highway 93 Lost Trail Pass to Gibbonsville, Highway 28 Tendoy to Lone Pine, Salmon, Bannock Pass, and Lemhi Pass. * WHEN...From 3 AM to noon MST Tuesday. * IMPACTS...Plan on slippery road conditions, possibly impacting the Tuesday morning commute.


Lost Trail Ski Report

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Last Updated: December 22, 2025

Bluebird skies and crisp mountain air greet skiers and riders at Lost Trail this December 22, with overnight temps holding steady at a comfortable 27.7°F. Lost Trail ski resort in Idaho offers a variety of trails suitable for skiers of all skill levels.



Snowfall Totals & Snow Forecast

Hourly Snowfall


1"

Past 24 Hours

48.0"

Snowpack

°F

°F

mph

Wind

%

Humidity


Summary

The mountain boasts a solid 48" snowpack—running over 26% above average for this time of year—laying the foundation for prime early-season conditions. The base is packed and carvable, perfect for skiers of all levels, with powder stashes still lingering in shaded glades. Groomers are running smoothly, and the snow is holding a soft edge thanks to great snow water content at 10.6 SWE.

Looking ahead, a fresh dusting of winter magic is on the horizon. Over the next 24 hours, Lost Trail is expecting around 2 inches of new snow, with totals climbing to more than 4 inches by the end of the 5-day forecast. This steady snowfall will keep conditions fresh heading into the holiday weekend. There are currently no major local disruptions or alerts, meaning guests can focus on carving turns and soaking in the Bitterroot views. Whether you're chasing powder or cruising blues, now's the time to hit the lifts and enjoy the mountain at its winter best.

Snowpack Percent Normal

133%

Max Recorded Snowpack

110"

Snowfall Past 24 Hours

1"

Snowfall Past 48 Hours

5"

Snowfall Past 72 Hours

17"

Snowfall Next 24 Hours

2"

Snowfall Next 72 Hours

4"

Snowfall Next 5 Days

4"

Terrain Surface

NA

Powder Score

NA
       

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.

Historical Air Temperature

Temperature fluctuations at Lost Trail


Recent air temperature fluctuations at Lost Trail impact snow quality and stability, from powder to slush.

About the Area


Lost Trail Ski Resort is located in the Bitterroot Mountain Range in Idaho and Montana. The resort is situated on the border of Idaho and Montana and offers stunning views of the surrounding mountains. Some of the prominent mountain aspects at Lost Trail Ski Resort include:

1. The Bitterroot Mountain Range: The Bitterroot Mountains are a subrange of the Rocky Mountains and are known for their rugged beauty and impressive peaks. The range stretches from northern Idaho into Montana and offers a variety of terrain for skiing and snowboarding.

2. Trapper Peak: Trapper Peak is the highest point in the Bitterroot Mountains and is a prominent feature in the landscape surrounding Lost Trail Ski Resort. The peak is a popular destination for hikers and climbers looking for challenging terrain and breathtaking views.

3. Lost Trail Pass: Lost Trail Pass is a mountain pass located near the ski resort and provides access to the Continental Divide. The pass offers stunning views of the surrounding mountains and is a popular spot for backcountry skiing and snowmobiling.

Overall, the mountain ranges and aspects surrounding Lost Trail Ski Resort offer a diverse and beautiful backdrop for visitors to enjoy while skiing and snowboarding.

The best trails are the groomed runs on the front side of the mountain, which provide excellent views of the surrounding landscape. An interesting fact about Lost Trail is that it was originally established as a mining town in the 1800s, and the ski resort was built on the site of an old gold mine. For beginner skiers, the best trail is the Greenhorn run, which is gentle and wide. The best après ski bar at Lost Trail is the Saddle Up Saloon, where visitors can enjoy cold beers and hearty meals in a rustic atmosphere.

Lift Count

8 Lifts

Base Elevation

1951 Meters

Terrain Park

Yes

Acreage

1800 Acres

Established

1938

Run Count

50 Trails

Top Elevation

2499 Meters

Lost Trail FAQ


How much snow did Lost Trail receive over the past day?

The ski area received 0" of new snowfall since yesterday.


What's the weather like at Lost Trail today?

Weather today, snow likely before noon, then a slight chance of snow after 4pm. the snow could be heavy at times. partly sunny, with a high near 30. west southwest wind 9 to 13 mph, with gusts as high as 20 mph. chance of precipitation is 60%. new snow accumulation of 1 to 3 inches possible.


How much new snowfall is forecasted for Lost Trail this week?

Lost Trail is expected to receive up to 4.28" of new snowfall in the next 5 days.


What are ski area conditions in Idaho like right now?

Ski enthusiasts in the nation are gearing up for some fresh powder, with recent snowfall and forecasts indicating that several areas will experience ideal conditions for hitting the slopes. In Washington State, Nohrsc Sawmill Ridge has seen a modest snow accumulation of 2 inches over the last 24 hours, and while the base depth remains a generous 170 inches, visitors ... Read more