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

42°F

6°C

Humidity 37%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility 1.24 mi
Last update 10 Apr 09:45 AM MDT
Extended Forecast for

6 Miles W Lost Trail Pass MT

  • Today

    Today: Rain likely, mainly after 5pm. Partly sunny, with a high near 57. South wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 57 °F

    Mostly Sunny
    then Rain
    Likely

  • Tonight

    Tonight: Rain likely before 2am, then a chance of rain and snow between 2am and 3am, then a chance of rain after 3am. Mostly cloudy, with a low around 36. Southwest wind 6 to 16 mph becoming south southeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after noon. High near 50. South wind 5 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 22 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. South wind 3 to 7 mph. Winds could gust 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: A slight chance of snow before noon, then rain and snow between noon and 3pm, then rain showers after 3pm. Some thunder is also possible. High near 49. South southeast wind 3 to 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 49 °F

    Slight Chance
    Snow then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain before 9pm, then rain and snow between 9pm and midnight, then snow after midnight. Low around 33. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    then Snow

  • Monday

    Monday: Snow. High near 39. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Snow

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of snow, mainly before noon. Partly sunny, with a high near 41.

    High: 41 °F

    Chance Snow

Detailed Forecast

Today
Rain likely, mainly after 5pm. Partly sunny, with a high near 57. South wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Tonight
Rain likely before 2am, then a chance of rain and snow between 2am and 3am, then a chance of rain after 3am. Mostly cloudy, with a low around 36. Southwest wind 6 to 16 mph becoming south southeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
A chance of rain, then showers and possibly a thunderstorm after noon. High near 50. South wind 5 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 22 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. South wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
A slight chance of snow before noon, then rain and snow between noon and 3pm, then rain showers after 3pm. Some thunder is also possible. High near 49. South southeast wind 3 to 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain before 9pm, then rain and snow between 9pm and midnight, then snow after midnight. Low around 33. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
Snow. High near 39. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday Night
A chance of snow. Mostly cloudy, with a low around 30.
Tuesday
A chance of snow, mainly before noon. Partly sunny, with a high near 41.
Tuesday Night
A chance of snow after midnight. Mostly cloudy, with a low around 30.
Wednesday
Snow. Mostly cloudy, with a high near 37.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 23.
Thursday
A chance of snow. Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Lost Trail Pass MT
 45.71°N 114.07°W (Elev. 7100 ft)
Last Update:
2:01 am MDT Apr 10, 2026
Forecast Valid:
10am MDT Apr 10, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation