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.

unknown precip

31°F

-1°C

Humidity 75%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility 1.04 mi
Last update 03 Apr 10:45 AM MDT
Extended Forecast for

Lost Trail Pass MT

  • Today

    Today: Mostly sunny, with a high near 39. West northwest wind around 6 mph, with gusts as high as 18 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 22. West northwest wind around 5 mph becoming calm in the evening.

    Low: 22 °F

    Mostly Clear

  • Saturday

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

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. West 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 west southwest around 5 mph in the afternoon.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Monday Night

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

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after noon. Snow level 7700 feet. Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 39. West northwest wind around 6 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 22. West northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 47. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 26. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 53. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
A slight chance of rain after noon. Snow level 7700 feet. Mostly sunny, with a high near 53.
Tuesday Night
A slight chance of rain before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Snow level 8100 feet lowering to 7100 feet after midnight . Partly cloudy, with a low around 30.
Wednesday
A chance of snow. Partly sunny, with a high near 42.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 23.
Thursday
A chance of snow. Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.68°N 113.94°W (Elev. 7077 ft)
Last Update:
2:01 am MDT Apr 3, 2026
Forecast Valid:
11am MDT Apr 3, 2026-6pm MDT Apr 9, 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