National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Current conditions at

Lost Trail Pass (ITD87)

Lat: 45.69302°NLon: 113.94835°WElev: 7090.0ft.

NA

30°F

-1°C

Humidity 78%
Wind Speed S 6 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility 1.24 mi
Wind Chill24°F (-4°C)
Last update 05 Feb 06:15 AM MST
Extended Forecast for

3 Miles SW Lost Trail Pass MT

  • Today

    Today: Sunny, with a high near 42. South wind around 6 mph becoming calm in the morning.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. South wind 3 to 6 mph.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 43. South southwest wind 3 to 6 mph.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. Light southwest wind.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40. West southwest wind 3 to 5 mph.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 39. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Snow Likely

  • Monday

    Monday: Snow. Mostly cloudy, with a high near 30.

    High: 30 °F

    Snow

Detailed Forecast

Today
Sunny, with a high near 42. South wind around 6 mph becoming calm in the morning.
Tonight
Mostly clear, with a low around 26. South wind 3 to 6 mph.
Friday
Sunny, with a high near 43. South southwest wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 26. Light southwest wind.
Saturday
Mostly sunny, with a high near 40. West southwest wind 3 to 5 mph.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 39. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 28.
Monday
Snow. Mostly cloudy, with a high near 30.
Monday Night
A chance of snow, mainly before 11pm. Partly cloudy, with a low around 17.
Tuesday
A chance of snow. Partly sunny, with a high near 27.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 16.
Wednesday
A chance of snow. Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Lost Trail Pass MT
 45.67°N 114°W (Elev. 7480 ft)
Last Update:
1:01 am MST Feb 5, 2026
Forecast Valid:
6am MST Feb 5, 2026-6pm MST Feb 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation