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

42°F

6°C

Humidity 37%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility 1.24 mi
Last update 10 Apr 09:45 AM MDT
Extended Forecast for

7 Miles WSW Lost Trail Pass MT

  • Today

    Today: Rain likely, mainly after 5pm. Partly sunny, with a high near 58. Light southeast wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    High: 58 °F

    Partly Sunny
    then Rain
    Likely

  • Tonight

    Tonight: Rain likely, mainly before midnight. Mostly cloudy, with a low around 37. West wind 6 to 11 mph becoming south southeast 12 to 17 mph after midnight. Winds could gust as high as 28 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 52. Light and variable wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: A chance of rain and snow before 9pm, then a chance of rain between 9pm and 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. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow
    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. Calm wind becoming south around 5 mph in the afternoon. 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 midnight, then rain and snow. Low around 34. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain then
    Rain/Snow

  • Monday

    Monday: Snow. High near 40. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 40 °F

    Snow

  • Monday Night

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

    Low: 30 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of snow, mainly before noon. Partly sunny, with a high near 42.

    High: 42 °F

    Chance Snow

Detailed Forecast

Today
Rain likely, mainly after 5pm. Partly sunny, with a high near 58. Light southeast wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Tonight
Rain likely, mainly before midnight. Mostly cloudy, with a low around 37. West wind 6 to 11 mph becoming south southeast 12 to 17 mph after midnight. Winds could gust as high as 28 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 52. Light and variable wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 21 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 chance of rain and snow before 9pm, then a chance of rain between 9pm and 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. Chance of precipitation is 40%. Little or no snow accumulation expected.
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. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain before midnight, then rain and snow. Low around 34. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
Snow. High near 40. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
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 after midnight. 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 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Lost Trail Pass MT
 45.66°N 114.09°W (Elev. 6660 ft)
Last Update:
2:01 am MDT Apr 10, 2026
Forecast Valid:
10am MDT Apr 10, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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