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

27°F

-3°C

Humidity 68%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility 1.24 mi
Last update 08 Apr 06:45 AM MDT
Extended Forecast for

13 Miles WSW Lost Trail Pass MT

  • Today

    Today: Sunny, with a high near 50. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 31. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54. Calm wind becoming west around 5 mph in the afternoon.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. Northwest wind around 6 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of rain after noon. Partly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 38. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after noon. High near 56. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: Rain likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow. Cloudy, with a high near 44.

    High: 44 °F

    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 50. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Partly cloudy, with a low around 31. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 54. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 33. Northwest wind around 6 mph becoming calm in the evening.
Friday
A 20 percent chance of rain after noon. Partly sunny, with a high near 60. Light and variable wind.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain, then showers and possibly a thunderstorm after noon. High near 56. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 36.
Sunday
Rain and snow. Cloudy, with a high near 44.
Sunday Night
Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 31.
Monday
Snow likely. Mostly cloudy, with a high near 41.
Monday Night
A chance of snow. Mostly cloudy, with a low around 28.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles WSW Lost Trail Pass MT
 45.63°N 114.17°W (Elev. 6467 ft)
Last Update:
4:36 am MDT Apr 8, 2026
Forecast Valid:
7am MDT Apr 8, 2026-6pm MDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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