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.

light snow

24°F

-4°C

Humidity 89%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility 1.24 mi
Wind Chill18°F (-8°C)
Last update 05 Mar 06:45 PM MST
Extended Forecast for

10 Miles WSW Lost Trail Pass MT

  • Tonight

    Tonight: Snow likely before 3am, then a chance of snow after 5am. Mostly cloudy, with a low around 20. West northwest wind 3 to 8 mph. Winds could gust as high as 22 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 20 °F

    Snow Likely
    then Chance
    Snow

  • Friday

    Friday: A chance of snow before 7am, then a chance of snow after 1pm. Mostly cloudy, with a high near 32. West wind 3 to 8 mph. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 24. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely before 2pm, then rain and snow likely. Mostly cloudy, with a high near 38. West southwest wind 3 to 7 mph. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 11pm. Partly cloudy, with a low around 32. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: A chance of snow before 2pm, then a chance of rain and snow between 2pm and 5pm, then a chance of rain after 5pm. Partly sunny, with a high near 44. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 44 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain before 8pm, then a chance of rain and snow between 8pm and 11pm, then snow likely after 11pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Monday

    Monday: Snow. Mostly cloudy, with a high near 39.

    High: 39 °F

    Snow

  • Monday Night

    Monday Night: Snow. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Snow

Detailed Forecast

Tonight
Snow likely before 3am, then a chance of snow after 5am. Mostly cloudy, with a low around 20. West northwest wind 3 to 8 mph. Winds could gust as high as 22 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Friday
A chance of snow before 7am, then a chance of snow after 1pm. Mostly cloudy, with a high near 32. West wind 3 to 8 mph. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow likely before 2pm, then rain and snow likely. Mostly cloudy, with a high near 38. West southwest wind 3 to 7 mph. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A slight chance of rain and snow before 11pm. Partly cloudy, with a low around 32. Southwest wind around 6 mph. Chance of precipitation is 20%.
Sunday
A chance of snow before 2pm, then a chance of rain and snow between 2pm and 5pm, then a chance of rain after 5pm. Partly sunny, with a high near 44. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
A chance of rain before 8pm, then a chance of rain and snow between 8pm and 11pm, then snow likely after 11pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Snow. Mostly cloudy, with a high near 39.
Monday Night
Snow. Mostly cloudy, with a low around 20.
Tuesday
Snow. Mostly cloudy, with a high near 26.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 18.
Wednesday
Snow likely. Mostly cloudy, with a high near 34.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 27.
Thursday
Snow likely. Mostly cloudy, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Lost Trail Pass MT
 45.64°N 114.11°W (Elev. 6841 ft)
Last Update:
1:00 pm MST Mar 5, 2026
Forecast Valid:
7pm MST Mar 5, 2026-6pm MDT Mar 12, 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