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

40°F

4°C

Humidity 49%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility 1.24 mi
Wind Chill37°F (3°C)
Last update 06 Apr 03:30 AM MDT
Extended Forecast for

Lost Trail Pass MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. Southeast wind around 6 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59. Light and variable wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 34. West northwest wind 5 to 7 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. South southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. West northwest wind 6 to 16 mph, with gusts as high as 37 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. Southeast wind around 6 mph.
Monday
Mostly sunny, with a high near 59. Light and variable wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Increasing clouds, with a low around 34. West northwest wind 5 to 7 mph becoming light and variable. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 51. South southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 37 mph.
Tuesday Night
Mostly clear, with a low around 24. West northwest wind 6 to 16 mph, with gusts as high as 37 mph.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 30.
Friday
Mostly sunny, with a high near 59.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 35.
Saturday
A chance of rain. Partly sunny, with a high near 57.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.94°W (Elev. 6598 ft)
Last Update:
2:01 am MDT Apr 6, 2026
Forecast Valid:
3am MDT Apr 6, 2026-6pm MDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation