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

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

A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. Wednesday into Thursday with gusty to high winds and areas of rain and high elevation snow showers. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

unknown precip

34°F

1°C

Humidity 98%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility 1.24 mi
Last update 04 Nov 06:30 PM MST
Extended Forecast for

6 Miles WNW Lost Trail Pass MT

  • Tonight

    Tonight: A slight chance of rain and snow before 11pm, then a chance of rain between 11pm and 2am. Mostly cloudy, with a low around 35. Calm wind becoming south 5 to 9 mph in the evening. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain, mainly after 5pm. High near 46. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 46 °F

    Mostly Cloudy
    then Rain

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 9pm. Low around 32. South southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: Snow. High near 36. West southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 36 °F

    Snow then
    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 30. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Snow Likely

  • Friday

    Friday: Snow. High near 32. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 21. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain and snow before 11pm, then a chance of rain between 11pm and 2am. Mostly cloudy, with a low around 35. Calm wind becoming south 5 to 9 mph in the evening. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
Rain, mainly after 5pm. High near 46. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday Night
Rain and snow, becoming all snow after 9pm. Low around 32. South southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow. High near 36. West southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 30. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow. High near 32. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Friday Night
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 21. New snow accumulation of less than one inch possible.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
A slight chance of rain. Partly sunny, with a high near 44.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Veterans Day
A slight chance of snow. Mostly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Lost Trail Pass MT
 45.73°N 114.07°W (Elev. 6991 ft)
Last Update:
1:02 pm MST Nov 4, 2025
Forecast Valid:
6pm MST Nov 4, 2025-6pm MST Nov 11, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation