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

36°F

2°C

Humidity 43%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility 1.24 mi
Last update 10 Apr 01:30 AM MDT
Extended Forecast for

10 Miles WSW Lost Trail Pass MT

  • Overnight

    Overnight: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Rain likely, mainly after 4pm. Partly sunny, with a high near 57. Light and variable wind becoming south 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

    High: 57 °F

    Mostly Sunny
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 37. West northwest wind 6 to 11 mph becoming south southeast 13 to 18 mph. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after noon. High near 51. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 33. West southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 33 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and noon, then rain after noon. Some thunder is also possible. High near 49. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Showers

  • Sunday Night

    Sunday Night: Rain before 9pm, then rain and snow. Low around 34. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Monday

    Monday: Snow. Cloudy, with a high near 40.

    High: 40 °F

    Snow

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 33. Calm wind.
Friday
Rain likely, mainly after 4pm. Partly sunny, with a high near 57. Light and variable wind becoming south 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Friday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 37. West northwest wind 6 to 11 mph becoming south southeast 13 to 18 mph. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain, then showers and possibly a thunderstorm after noon. High near 51. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 33. West southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Sunday
A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and noon, then rain after noon. Some thunder is also possible. High near 49. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain before 9pm, then rain and snow. Low around 34. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
Snow. Cloudy, with a high near 40.
Monday Night
A chance of snow. Mostly cloudy, with a low around 30.
Tuesday
A chance of snow, mainly before noon. Partly sunny, with a high near 42.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 31.
Wednesday
Snow. Mostly cloudy, with a high near 38.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 24.
Thursday
A chance of snow. Partly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Lost Trail Pass MT
 45.64°N 114.11°W (Elev. 6841 ft)
Last Update:
12:21 am MDT Apr 10, 2026
Forecast Valid:
1am MDT Apr 10, 2026-6pm MDT Apr 16, 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