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.

unknown precip

37°F

3°C

Humidity 58%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility 1.24 mi
Last update 09 Mar 01:45 AM MDT
Extended Forecast for

Lost Trail Pass MT

  • Overnight

    Overnight: A 50 percent chance of snow. Mostly cloudy, with a low around 25. West southwest wind around 11 mph, with gusts as high as 29 mph. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly before noon. Partly sunny, with a high near 31. West wind 10 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 31 °F

    Snow Likely
    then Chance
    Snow

  • Monday Night

    Monday Night: A slight chance of snow before 1am, then a slight chance of snow after 5am. Partly cloudy, with a low around 12. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    Low: 12 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Snow. High near 22. West wind 5 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 22 °F

    Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 10. West northwest wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 28 mph.

    Low: 10 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow. Low around 30. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 30 °F

    Snow

  • Thursday

    Thursday: Snow. Cloudy, with a high near 36.

    High: 36 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. Cloudy, with a low around 32.

    Low: 32 °F

    Snow

Detailed Forecast

Overnight
A 50 percent chance of snow. Mostly cloudy, with a low around 25. West southwest wind around 11 mph, with gusts as high as 29 mph. Total nighttime snow accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly before noon. Partly sunny, with a high near 31. West wind 10 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday Night
A slight chance of snow before 1am, then a slight chance of snow after 5am. Partly cloudy, with a low around 12. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Tuesday
Snow. High near 22. West wind 5 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 10. West northwest wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 28 mph.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow. Low around 30. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. Cloudy, with a high near 36.
Thursday Night
Snow. Cloudy, with a low around 32.
Friday
Snow. Mostly cloudy, with a high near 40.
Friday Night
Snow. Cloudy, with a low around 33.
Saturday
Snow. Cloudy, with a high near 38.
Saturday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 24.
Sunday
Snow likely. Mostly cloudy, with a high near 34.
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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:
12:21 am MDT Mar 9, 2026
Forecast Valid:
2am MDT Mar 9, 2026-6pm MDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation