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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

17°F

-8°C

Humidity 73%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 9°F (-13°C)
Visibility 1.24 mi
Last update 17 Feb 06:15 PM MST
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 3am. Mostly cloudy, with a low around 12. South wind 5 to 8 mph. Total nighttime snow accumulation of around an inch possible.

    Low: 12 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow. High near 20. South wind 9 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 20 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 4. North northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 4 °F

    Snow Likely
    then Chance
    Snow

  • Thursday

    Thursday: A 50 percent chance of snow, mainly after 11am. Partly sunny, with a high near 21. Calm wind becoming south southwest around 6 mph in the afternoon. New snow accumulation of less than a half inch possible.

    High: 21 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 5. Light south southeast wind. New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly after 11am. Partly sunny, with a high near 20. Chance of precipitation is 60%. New snow accumulation of less than a half 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 2.

    Low: 2 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow, mainly after 3am. Mostly cloudy, with a low around 12. South wind 5 to 8 mph. Total nighttime snow accumulation of around an inch possible.
Wednesday
Snow. High near 20. South wind 9 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 4. North northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
A 50 percent chance of snow, mainly after 11am. Partly sunny, with a high near 21. Calm wind becoming south southwest around 6 mph in the afternoon. New snow accumulation of less than a half inch possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 5. Light south southeast wind. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after 11am. Partly sunny, with a high near 20. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 2.
Saturday
Sunny, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
A slight chance of snow after 11am. Mostly sunny, with a high near 33.
Sunday Night
A chance of snow. Partly cloudy, with a low around 17.
Monday
Snow likely. Mostly cloudy, with a high near 35.
Monday Night
Snow likely. Mostly cloudy, with a low around 19.
Tuesday
Snow. Mostly cloudy, with a high near 32.
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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:
2:12 pm MST Feb 17, 2026
Forecast Valid:
6pm MST Feb 17, 2026-6pm MST Feb 24, 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