Record Heat Remains in Place This Week; Precipitation and Windy Conditions in the Northwest

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and spread across the central U.S. for the middle of the week. High temperatures will approach 90 from Texas to the Ohio Valley. A moist frontal system will bring lowland rain, high elevation mountain snow, and breezy winds to the Pacific Northwest into the Northern Rockies through Wednesday. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

39°F

4°C

Humidity 44%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility 1.24 mi
Last update 23 Mar 08:00 PM MDT
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before 8am, then a chance of rain after 4pm.  Snow level rising to 9100 feet in the afternoon. Partly sunny, with a high near 50. Calm wind becoming south southwest 5 to 8 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 50 °F

    Slight Chance
    Snow then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely.  Mostly cloudy, with a low around 38. Southwest wind 5 to 7 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain before noon, then a chance of rain and snow.  Snow level 8500 feet lowering to 7200 feet in the afternoon . Partly sunny, with a high near 49. South southwest wind 7 to 15 mph, with gusts as high as 37 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 49 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 23. West northwest wind 7 to 10 mph, with gusts as high as 24 mph.  New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon.  Mostly sunny, with a high near 37. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 19.

    Low: 19 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Calm wind.
Tuesday
A slight chance of snow before 8am, then a chance of rain after 4pm. Snow level rising to 9100 feet in the afternoon. Partly sunny, with a high near 50. Calm wind becoming south southwest 5 to 8 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 38. Southwest wind 5 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain before noon, then a chance of rain and snow. Snow level 8500 feet lowering to 7200 feet in the afternoon . Partly sunny, with a high near 49. South southwest wind 7 to 15 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23. West northwest wind 7 to 10 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Thursday
A 30 percent chance of snow before noon. Mostly sunny, with a high near 37. New snow accumulation of less than a half inch possible.
Thursday Night
Clear, with a low around 19.
Friday
Sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
A slight chance of rain and snow. Snow level 8700 feet lowering to 8000 feet after midnight . Partly cloudy, with a low around 34.
Monday
A chance of rain and snow. Snow level 7700 feet. Partly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.68°N 113.94°W (Elev. 7077 ft)
2:00 pm MDT Mar 23, 2026
8pm MDT Mar 23, 2026-6pm MDT Mar 30, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database