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

Read More >

Hazardous Weather Conditions

Current conditions at

Lost Trail Pass (ITD87)

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

light snow

13°F

-11°C

Humidity 73%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 5°F (-15°C)
Visibility 1.24 mi
Last update 10 Mar 08:15 PM MDT
Extended Forecast for

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 9 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 33. Southwest wind 8 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow. Low around 30. South southwest wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 30 °F

    Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. High near 37. West wind 14 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 37 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow. Low around 32. West southwest wind around 11 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 32 °F

    Snow

  • Friday

    Friday: Snow. High near 39. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Snow

  • Friday Night

    Friday Night: Rain and snow. Low around 31. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 31 °F

    Rain/Snow

  • Saturday

    Saturday: Rain and snow, becoming all snow after 9am. The snow could be heavy at times. Cloudy, with a high near 36.

    High: 36 °F

    Rain/Snow
    then Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 10. Wind chill values as low as zero. West wind 6 to 9 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 33. Southwest wind 8 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow. Low around 30. South southwest wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 37. West wind 14 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow. Low around 32. West southwest wind around 11 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Friday
Snow. High near 39. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Rain and snow. Low around 31. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Saturday
Rain and snow, becoming all snow after 9am. The snow could be heavy at times. Cloudy, with a high near 36.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 14.
Sunday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 33.
Sunday Night
Snow likely. Mostly cloudy, with a low around 25.
Monday
Rain and snow likely. Mostly cloudy, with a high near 44.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Tuesday
A chance of rain. Partly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.94°W (Elev. 6598 ft)
Last Update:
2:11 pm MDT Mar 10, 2026
Forecast Valid:
8pm MDT Mar 10, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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