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

Lost Trail Pass (ITD87)

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

NA

31°F

-1°C

Humidity 57%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility 1.24 mi
Last update 03 Mar 09:30 PM MST
Extended Forecast for

3 Miles SW Lost Trail Pass MT

  • Tonight

    Tonight: Mostly clear, with a low around 26. South wind around 7 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Snow likely, mainly after 4pm. Increasing clouds, with a high near 37. South wind around 8 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 37 °F

    Partly Sunny
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow. Low around 27. West northwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 27 °F

    Snow

  • Thursday

    Thursday: Snow. High near 29. West northwest wind 8 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 29 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 22. West northwest wind 6 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly before 11am. Partly sunny, with a high near 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 20.

    Low: 20 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 26. South wind around 7 mph.
Wednesday
Snow likely, mainly after 4pm. Increasing clouds, with a high near 37. South wind around 8 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday Night
Snow. Low around 27. West northwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow. High near 29. West northwest wind 8 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 22. West northwest wind 6 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly before 11am. Partly sunny, with a high near 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 20.
Saturday
A chance of snow. Mostly cloudy, with a high near 36.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 29.
Sunday
A chance of snow before 2pm, then a chance of rain and snow. Partly sunny, with a high near 42.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Monday
Snow likely. Mostly cloudy, with a high near 39.
Monday Night
Snow likely. Mostly cloudy, with a low around 22.
Tuesday
Snow likely. Mostly cloudy, with a high near 28.
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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 pm MST Mar 3, 2026
Forecast Valid:
9pm MST Mar 3, 2026-6pm MDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation