National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lost Trail Pass (ITD87)

Lat: 45.69302°NLon: 113.94835°WElev: 7090.0ft.

light snow

27°F

-3°C

Humidity 100%
Wind Speed NNE 6 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility 0.81 mi
Wind Chill20°F (-7°C)
Last update 04 Mar 11:30 PM MST
Extended Forecast for

Lost Trail Pass MT

Winter Weather Advisory until March 5, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until March 5, 09:00am

    NOW until 9:00am Thu

    Winter Weather Advisory

  • Tonight

    Low: 27 °F

    Heavy Snow

  • Thursday

    Thursday: Snow, mainly before 2pm. High near 32. Northwest wind 8 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 8pm. Mostly cloudy, with a low around 21. West northwest wind 5 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 33. West wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 22. West southwest wind 3 to 8 mph. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 39. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow

  • 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 slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly sunny, with a high near 46.

    High: 46 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Low around 27. Northwest wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.
Thursday
Snow, mainly before 2pm. High near 32. Northwest wind 8 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow likely, mainly before 8pm. Mostly cloudy, with a low around 21. West northwest wind 5 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 33. West wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 22. West southwest wind 3 to 8 mph. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 39. Little or no snow accumulation expected.
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 slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly sunny, with a high near 46.
Sunday Night
A chance of rain before 8pm, then rain and snow likely between 8pm and 2am, then snow likely after 2am. Mostly cloudy, with a low around 31.
Monday
Snow likely. Mostly cloudy, with a high near 41.
Monday Night
Snow. Mostly cloudy, with a low around 19.
Tuesday
Snow. Cloudy, with a high near 27.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 17.
Wednesday
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
 45.7°N 113.94°W (Elev. 6598 ft)
Last Update:
11:21 pm MST Mar 4, 2026
Forecast Valid:
11pm MST Mar 4, 2026-6pm MDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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