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

38°F

3°C

Humidity 49%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility 1.24 mi
Last update 18 Mar 04:00 AM MDT
Extended Forecast for

3 Miles SW Lost Trail Pass MT

  • Today

    Today: Sunny, with a high near 48. Southwest wind 7 to 10 mph, with gusts as high as 25 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. West southwest wind 6 to 9 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. South wind 6 to 10 mph, with gusts as high as 26 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. South wind 7 to 10 mph, with gusts as high as 24 mph.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. South wind 7 to 13 mph, with gusts as high as 30 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight.  Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain likely before 9am, then rain and snow likely between 9am and 3pm, then snow likely after 3pm.  Snow level 8900 feet lowering to 7500 feet in the afternoon . Mostly cloudy, with a high near 45. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight.  Partly cloudy, with a low around 24.

    Low: 24 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: A slight chance of snow.  Mostly sunny, with a high near 42.

    High: 42 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Sunny, with a high near 48. Southwest wind 7 to 10 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 32. West southwest wind 6 to 9 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.
Thursday
Sunny, with a high near 52. South wind 6 to 10 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 35. South wind 7 to 10 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 55. South wind 7 to 13 mph, with gusts as high as 30 mph.
Friday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 36.
Saturday
Rain likely before 9am, then rain and snow likely between 9am and 3pm, then snow likely after 3pm. Snow level 8900 feet lowering to 7500 feet in the afternoon . Mostly cloudy, with a high near 45. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Partly cloudy, with a low around 24.
Sunday
A slight chance of snow. Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 26.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 45.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 30.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Lost Trail Pass MT
 45.67°N 114°W (Elev. 7480 ft)
2:01 am MDT Mar 18, 2026
4am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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