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

Prolonged dangerous winter storm conditions in the high country of western Montana and north-central Idaho later this week with localized damaging winds

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Hazardous Weather Conditions

Current conditions at

Lost Trail Pass (ITD87)

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

light snow

10°F

-12°C

Humidity 76%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 4°F (-16°C)
Visibility 1.24 mi
Last update 10 Mar 08:30 PM MDT
Extended Forecast for

6 Miles W Lost Trail Pass MT

Winter Storm Warning March 11, 06:00pm until March 14, 12:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 10. Wind chill values as low as zero. West wind 6 to 10 mph becoming south southwest after midnight. Winds could gust as high as 24 mph.

    Low: 10 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after 3pm. Partly sunny, with a high near 30. West southwest wind 8 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 30 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow. Patchy blowing snow after midnight. Low around 29. Southwest wind 14 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 29 °F

    Snow and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. Widespread blowing snow, mainly before noon. High near 33. Breezy, with a west wind 16 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 33 °F

    Heavy Snow
    and Blowing
    Snow

  • Thursday Night

    Thursday Night: Snow. Low around 31. West southwest wind 10 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 31 °F

    Snow

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 36. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 36 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Low around 30. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 30 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Cloudy, with a high near 33.

    High: 33 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 10. Wind chill values as low as zero. West wind 6 to 10 mph becoming south southwest after midnight. Winds could gust as high as 24 mph.
Wednesday
Snow likely, mainly after 3pm. Partly sunny, with a high near 30. West southwest wind 8 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday Night
Snow. Patchy blowing snow after midnight. Low around 29. Southwest wind 14 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly before noon. High near 33. Breezy, with a west wind 16 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Thursday Night
Snow. Low around 31. West southwest wind 10 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Friday
Snow. The snow could be heavy at times. High near 36. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow. The snow could be heavy at times. Low around 30. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Saturday
Snow. The snow could be heavy at times. Cloudy, with a high near 33.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 13.
Sunday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 30.
Sunday Night
Snow likely. Mostly cloudy, with a low around 24.
Monday
Rain and snow likely. Mostly cloudy, with a high near 41.
Monday Night
A chance of snow. Mostly cloudy, with a low around 33.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Lost Trail Pass MT
 45.71°N 114.07°W (Elev. 7100 ft)
Last Update:
2:11 pm MDT Mar 10, 2026
Forecast Valid:
8pm MDT Mar 10, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
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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