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

36°F

2°C

Humidity 38%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility 1.24 mi
Last update 10 Apr 02:30 AM MDT
Extended Forecast for

3 Miles SW Lost Trail Pass MT

  • Overnight

    Overnight: Partly cloudy, with a low around 31. East southeast wind around 5 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Rain likely, mainly after 5pm. Snow level rising to 9400 feet in the afternoon. Partly sunny, with a high near 56. Light southeast wind becoming south 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    High: 56 °F

    Mostly Sunny
    then Rain
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 36. South southeast wind 7 to 12 mph becoming south southeast 16 to 21 mph. Winds could gust as high as 33 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after noon. Snow level 8400 feet. High near 50. South wind 6 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: A chance of rain and snow before midnight. Mostly cloudy, with a low around 32. West southwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Snow before 3pm, then rain and snow showers. Some thunder is also possible. High near 47. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 47 °F

    Slight Chance
    Snow then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 9pm. Low around 32. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Rain/Snow
    then Snow
    Likely

  • Monday

    Monday: Snow. Cloudy, with a high near 38.

    High: 38 °F

    Snow

  • Monday Night

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

    Low: 29 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. East southeast wind around 5 mph.
Friday
Rain likely, mainly after 5pm. Snow level rising to 9400 feet in the afternoon. Partly sunny, with a high near 56. Light southeast wind becoming south 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36. South southeast wind 7 to 12 mph becoming south southeast 16 to 21 mph. Winds could gust as high as 33 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain, then showers and possibly a thunderstorm after noon. Snow level 8400 feet. High near 50. South wind 6 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 32. West southwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
Snow before 3pm, then rain and snow showers. Some thunder is also possible. High near 47. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain and snow, becoming all snow after 9pm. Low around 32. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
Snow. Cloudy, with a high near 38.
Monday Night
A chance of snow. Mostly cloudy, with a low around 29.
Tuesday
A chance of snow, mainly before noon. Partly sunny, with a high near 40.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 29.
Wednesday
Snow. Mostly cloudy, with a high near 35.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 22.
Thursday
A chance of snow. Partly sunny, with a high near 34.
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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:
2:01 am MDT Apr 10, 2026
Forecast Valid:
2am MDT Apr 10, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation