Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

56°F

13°C

Humidity 21%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility 1.24 mi
Last update 18 Mar 01:00 PM MDT
Extended Forecast for

10 Miles WSW Lost Trail Pass MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 52. West southwest wind around 7 mph, with gusts as high as 20 mph.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 36. South southwest wind 3 to 6 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 54. West southwest wind 3 to 8 mph. Winds could gust as high as 22 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. South southwest wind 3 to 6 mph. Winds could gust as high as 21 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. Light south southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 25 mph.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight.  Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain likely before 9am, then rain likely, possibly mixed with snow.  Mostly cloudy, with a high near 48. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A chance of snow, mainly before midnight.  Partly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

  • Sunday

    Sunday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 52. West southwest wind around 7 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 36. South southwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 54. West southwest wind 3 to 8 mph. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 38. South southwest wind 3 to 6 mph. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 58. Light south southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 38.
Saturday
Rain likely before 9am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 48. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
A chance of snow, mainly before midnight. Partly cloudy, with a low around 26.
Sunday
Sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 30.
Monday
A slight chance of snow. Mostly cloudy, with a high near 48.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 33.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Lost Trail Pass MT
 45.64°N 114.11°W (Elev. 6841 ft)
12:21 pm MDT Mar 18, 2026
1pm MDT Mar 18, 2026-6pm MDT Mar 24, 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