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

35°F

2°C

Humidity 68%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility 1.24 mi
Wind Chill29°F (-2°C)
Last update 05 Apr 08:45 AM MDT
Extended Forecast for

Lost Trail Pass MT

  • Today

    Today: Mostly sunny, with a high near 53. Calm wind becoming south around 5 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. West wind around 5 mph becoming light and variable.

    Low: 32 °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 18 mph.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 50. Light south southwest wind becoming west southwest 10 to 15 mph in the morning. Winds could gust as high as 36 mph.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 44.

    High: 44 °F

    Sunny then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: A slight chance of snow. Partly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A slight chance of snow. Mostly sunny, with a high near 46.

    High: 46 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 53. Calm wind becoming south around 5 mph.
Tonight
Mostly cloudy, with a low around 32. 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 18 mph.
Monday Night
Partly cloudy, with a low around 33. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 50. Light south southwest wind becoming west southwest 10 to 15 mph in the morning. Winds could gust as high as 36 mph.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 44.
Wednesday Night
A slight chance of snow. Partly cloudy, with a low around 26.
Thursday
A slight chance of snow. Mostly sunny, with a high near 46.
Thursday Night
A slight chance of snow before midnight. Mostly clear, with a low around 27.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 53.
Friday Night
A slight chance of rain. Snow level 7800 feet. Mostly clear, with a low around 30.
Saturday
A chance of rain and snow. Snow level 7300 feet rising to 8300 feet in the afternoon. Mostly sunny, with a high near 55.
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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:
3:26 am MDT Apr 5, 2026
Forecast Valid:
9am MDT Apr 5, 2026-6pm MDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation