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

32°F

0°C

Humidity 65%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility 1.24 mi
Last update 09 Apr 12:30 AM MDT
Extended Forecast for

Lost Trail Pass MT

  • Overnight

    Overnight: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 53. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of rain after noon. Snow level rising to 9200 feet in the afternoon. Partly sunny, with a high near 58. Calm wind becoming south around 6 mph in the afternoon.

    High: 58 °F

    Mostly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 36. West southwest wind 5 to 7 mph becoming southeast after midnight. Winds could gust as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after noon. High near 55. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: A chance of rain before midnight, then a chance of rain and snow. Snow level 8200 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 34. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before noon, then rain and snow showers. Some thunder is also possible. Snow level 7300 feet. Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after midnight. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Rain/Snow
    then Snow
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 28. Calm wind.
Thursday
Sunny, with a high near 53. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 32. Light and variable wind.
Friday
A 30 percent chance of rain after noon. Snow level rising to 9200 feet in the afternoon. Partly sunny, with a high near 58. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 36. West southwest wind 5 to 7 mph becoming southeast after midnight. Winds could gust as high as 21 mph. 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 55. 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 before midnight, then a chance of rain and snow. Snow level 8200 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 34. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
A chance of rain and snow before noon, then rain and snow showers. Some thunder is also possible. Snow level 7300 feet. Mostly cloudy, with a high near 46.
Sunday Night
Rain and snow, becoming all snow after midnight. Mostly cloudy, with a low around 31.
Monday
Snow. Cloudy, with a high near 40.
Monday Night
A chance of snow. Mostly cloudy, with a low around 29.
Tuesday
A slight chance of snow. Partly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
A chance of snow. Partly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.68°N 113.94°W (Elev. 7077 ft)
Last Update:
12:22 am MDT Apr 9, 2026
Forecast Valid:
12am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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