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

Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

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 SE 1 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility 0.51 mi
Last update 12 Mar 08:30 PM MDT
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 30. West southwest wind 7 to 9 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 5 to 9 inches possible.

    Low: 30 °F

    Heavy Snow

  • Friday

    Friday: Snow. High near 36. West southwest wind 7 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 36 °F

    Snow

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Low around 31. West southwest wind 6 to 8 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 31 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 33. West southwest wind 7 to 15 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 33 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 8. West northwest wind 6 to 15 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 8 °F

    Snow Likely
    then Chance
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow after noon. Partly sunny, with a high near 28. Little or no snow accumulation expected.

    High: 28 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Snow Likely

  • Monday

    Monday: Snow likely before 3pm, then rain and snow likely. Mostly cloudy, with a high near 39.

    High: 39 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain and snow before 3am, then a slight chance of rain. Snow level 7800 feet lowering to 7300 feet after midnight . Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Low around 30. West southwest wind 7 to 9 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 5 to 9 inches possible.
Friday
Snow. High near 36. West southwest wind 7 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow. The snow could be heavy at times. Low around 31. West southwest wind 6 to 8 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 33. West southwest wind 7 to 15 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 8. West northwest wind 6 to 15 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday
A 30 percent chance of snow after noon. Partly sunny, with a high near 28. Little or no snow accumulation expected.
Sunday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday
Snow likely before 3pm, then rain and snow likely. Mostly cloudy, with a high near 39.
Monday Night
A chance of rain and snow before 3am, then a slight chance of rain. Snow level 7800 feet lowering to 7300 feet after midnight . Mostly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
A slight chance of rain. Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.68°N 113.94°W (Elev. 7077 ft)
Last Update:
2:01 pm MDT Mar 12, 2026
Forecast Valid:
8pm MDT Mar 12, 2026-6pm MDT Mar 19, 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