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

25°F

-4°C

Humidity 92%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility 1.24 mi
Wind Chill20°F (-7°C)
Last update 04 Apr 07:45 AM MDT
Extended Forecast for

Lost Trail Pass MT

  • Today

    Today: Sunny, with a high near 47. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. West northwest wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. West wind around 5 mph becoming light and variable.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 57. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow after noon. Snow level 7500 feet. Mostly sunny, with a high near 52. Chance of precipitation is 20%.

    High: 52 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow. Partly sunny, with a high near 42.

    High: 42 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 47. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 26. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 53. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 31. West wind around 5 mph becoming light and variable.
Monday
Partly sunny, with a high near 57. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
A slight chance of rain and snow after noon. Snow level 7500 feet. Mostly sunny, with a high near 52. Chance of precipitation is 20%.
Tuesday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 27.
Wednesday
A chance of snow. Partly sunny, with a high near 42.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 25.
Thursday
A chance of snow. Partly sunny, with a high near 41.
Thursday Night
A chance of snow. Partly cloudy, with a low around 23.
Friday
A chance of snow. Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.68°N 113.94°W (Elev. 7077 ft)
Last Update:
2:52 am MDT Apr 4, 2026
Forecast Valid:
8am MDT Apr 4, 2026-6pm MDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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