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.

light snow

26°F

-3°C

Humidity 99%
Wind Speed NE 5 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility 0.82 mi
Wind Chill20°F (-7°C)
Last update 05 Mar 12:00 PM MST
Extended Forecast for

Lost Trail Pass MT

  • This Afternoon

    This Afternoon: A chance of snow before 4pm, then a slight chance of snow after 5pm. Mostly cloudy, with a high near 30. Northwest wind around 10 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely before 3am, then a chance of snow after 5am. Mostly cloudy, with a low around 20. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Snow Likely

  • Friday

    Friday: A chance of snow before 7am, then a chance of snow after 11am. Mostly cloudy, with a high near 31. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 22. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 38. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 11pm. Partly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: A chance of snow after 11am, mixing with rain after 2pm. Partly sunny, with a high near 44. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 44 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow before 8pm, then snow likely. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Monday

    Monday: Snow likely. Mostly cloudy, with a high near 39.

    High: 39 °F

    Snow Likely

Detailed Forecast

This Afternoon
A chance of snow before 4pm, then a slight chance of snow after 5pm. Mostly cloudy, with a high near 30. Northwest wind around 10 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow likely before 3am, then a chance of snow after 5am. Mostly cloudy, with a low around 20. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 7am, then a chance of snow after 11am. Mostly cloudy, with a high near 31. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow likely. Mostly cloudy, with a high near 38. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A slight chance of rain and snow before 11pm. Partly cloudy, with a low around 29. Chance of precipitation is 20%.
Sunday
A chance of snow after 11am, mixing with rain after 2pm. Partly sunny, with a high near 44. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
A chance of rain and snow before 8pm, then snow likely. Mostly cloudy, with a low around 30.
Monday
Snow likely. Mostly cloudy, with a high near 39.
Monday Night
Snow. Mostly cloudy, with a low around 18.
Tuesday
Snow. Mostly cloudy, with a high near 26.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 15.
Wednesday
Snow likely. Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.68°N 113.94°W (Elev. 7077 ft)
Last Update:
11:21 am MST Mar 5, 2026
Forecast Valid:
12pm MST Mar 5, 2026-6pm MDT Mar 11, 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