Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

21°F

-6°C

Humidity 89%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility 1.24 mi
Last update 12 Feb 11:30 PM MST
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: Partly cloudy, with a low around 17. Light south southwest wind.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33. South wind around 6 mph.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. South wind around 6 mph.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow.  Mostly cloudy, with a high near 36. South wind 6 to 8 mph, with gusts as high as 20 mph.  New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 27. South wind around 6 mph.  New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly after 11am.  Partly sunny, with a high near 38. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: A chance of snow, mainly after 11am.  Partly sunny, with a high near 39.

    High: 39 °F

    Chance Snow

  • Monday Night

    Monday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 26.

    Low: 26 °F

    Snow Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 17. Light south southwest wind.
Friday
Mostly sunny, with a high near 33. South wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 22. South wind around 6 mph.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 36. South wind 6 to 8 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 27. South wind around 6 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after 11am. Partly sunny, with a high near 38. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 23.
Washington's Birthday
A chance of snow, mainly after 11am. Partly sunny, with a high near 39.
Monday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 26.
Tuesday
Snow. Cloudy, with a high near 34.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 18.
Wednesday
Snow. Mostly cloudy, with a high near 29.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 15.
Thursday
Snow. Mostly cloudy, with a high near 27.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.94°W (Elev. 6598 ft)
11:26 pm MST Feb 12, 2026
11pm MST Feb 12, 2026-6pm MST Feb 19, 2026
 
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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