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

Atmospheric River to Begin to Impact the Northwest U.S.; Gusty Winds in the Northeast U.S.

A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

37°F

3°C

Humidity 83%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility 1.24 mi
Wind Chill33°F (1°C)
Last update 03 Nov 09:30 PM MST
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: Snow, mainly after 3am. Low around 32. Southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow
    then Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 36. West southwest wind 6 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow before 2am, then a chance of rain and snow. Cloudy, with a low around 32. South wind 5 to 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow after 11am. Mostly cloudy, with a high near 43. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 28. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow

  • Thursday

    Thursday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 32. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 32 °F

    Snow Likely
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Snow Likely

  • Friday

    Friday: Snow. Cloudy, with a high near 31.

    High: 31 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Snow Likely

Detailed Forecast

Tonight
Snow, mainly after 3am. Low around 32. Southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
A 30 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 36. West southwest wind 6 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of snow before 2am, then a chance of rain and snow. Cloudy, with a low around 32. South wind 5 to 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of rain and snow after 11am. Mostly cloudy, with a high near 43. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 28. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 32. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow. Cloudy, with a high near 31.
Friday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 36.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.97°W (Elev. 7822 ft)
Last Update:
8:10 pm MST Nov 3, 2025
Forecast Valid:
9pm MST Nov 3, 2025-6pm MST Nov 10, 2025
 
Forecast Discussion
 
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Additional Resources

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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