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

33°F

1°C

Humidity 58%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility 1.24 mi
Last update 09 Apr 01:30 AM MDT
Extended Forecast for

6 Miles W Lost Trail Pass MT

  • Overnight

    Overnight: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51. Calm wind becoming west around 6 mph in the afternoon.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. North northwest wind around 6 mph becoming light and variable.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of rain after noon. Partly sunny, with a high near 57. South southeast wind around 6 mph.

    High: 57 °F

    Mostly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 37. West southwest wind 7 to 9 mph becoming southeast after midnight. Winds could gust as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after noon. High near 52. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before noon, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 9pm. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain/Snow
    then Snow
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 28. Calm wind.
Thursday
Sunny, with a high near 51. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 33. North northwest wind around 6 mph becoming light and variable.
Friday
A 30 percent chance of rain after noon. Partly sunny, with a high near 57. South southeast wind around 6 mph.
Friday Night
A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 37. West southwest wind 7 to 9 mph becoming southeast after midnight. Winds could gust as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain, then showers and possibly a thunderstorm after noon. High near 52. 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 before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
A chance of rain and snow before noon, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 45.
Sunday Night
Rain and snow, becoming all snow after 9pm. Mostly cloudy, with a low around 32.
Monday
Snow. Cloudy, with a high near 39.
Monday Night
A chance of snow. Mostly cloudy, with a low around 29.
Tuesday
A slight chance of snow. Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A chance of snow. Partly sunny, with a high near 43.
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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:
12:22 am MDT Apr 9, 2026
Forecast Valid:
1am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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