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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

11°F

-12°C

Humidity 84%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 7°F (-14°C)
Visibility 1.24 mi
Last update 18 Feb 10:00 PM MST
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: A 20 percent chance of snow before 2am. Mostly cloudy, with a low around 4. Light and variable wind.

    Low: 4 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A slight chance of snow between 1pm and 4pm. Mostly sunny, with a high near 21. Calm wind becoming south around 6 mph. Chance of precipitation is 20%.

    High: 21 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Snow likely, mainly after 11am. Partly sunny, with a high near 20. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 20 °F

    Snow Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 3. West wind around 5 mph becoming calm in the evening.

    Low: 3 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow after 11pm. Partly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
A 20 percent chance of snow before 2am. Mostly cloudy, with a low around 4. Light and variable wind.
Thursday
A slight chance of snow between 1pm and 4pm. Mostly sunny, with a high near 21. Calm wind becoming south around 6 mph. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 3. Calm wind.
Friday
Snow likely, mainly after 11am. Partly sunny, with a high near 20. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 3. West wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 33.
Sunday Night
A slight chance of snow after 11pm. Partly cloudy, with a low around 18.
Monday
A chance of snow. Partly sunny, with a high near 37.
Monday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 22.
Tuesday
Snow. Mostly cloudy, with a high near 32.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 17.
Wednesday
Snow likely. Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.68°N 113.94°W (Elev. 7077 ft)
Last Update:
1:02 pm MST Feb 18, 2026
Forecast Valid:
10pm MST Feb 18, 2026-6pm MST Feb 25, 2026
 
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