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

30°F

-1°C

Humidity 71%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility 1.24 mi
Last update 03 Apr 09:45 PM MDT
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 54. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Light and variable wind.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after noon. Snow level 7500 feet. Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 21. Calm wind.
Saturday
Sunny, with a high near 47. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 54. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 30. Light and variable wind.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
A slight chance of rain after noon. Snow level 7500 feet. Mostly sunny, with a high near 51.
Tuesday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 25.
Wednesday
A chance of snow. Partly sunny, with a high near 40.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 23.
Thursday
A chance of snow. Partly sunny, with a high near 40.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 23.
Friday
A chance of snow. Mostly sunny, with a high near 44.
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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:
2:01 pm MDT Apr 3, 2026
Forecast Valid:
10pm MDT Apr 3, 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