Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

36°F

2°C

Humidity 72%
Wind Speed NE 7 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility 1.24 mi
Wind Chill30°F (-1°C)
Last update 21 Mar 06:30 PM MDT
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: Mostly clear, with a low around 25. West northwest wind 5 to 10 mph becoming light northwest  in the evening. Winds could gust as high as 32 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 45. Calm wind becoming west southwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. West wind around 5 mph becoming calm  in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and noon, then rain likely after noon.  Snow level rising to 8800 feet in the afternoon. Mostly cloudy, with a high near 50. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 50 °F

    Slight Chance
    Rain/Snow
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain.  Snow level 8100 feet lowering to 7400 feet in the afternoon . Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 9pm, then a chance of snow.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 25. West northwest wind 5 to 10 mph becoming light northwest in the evening. Winds could gust as high as 32 mph.
Sunday
Sunny, with a high near 45. Calm wind becoming west southwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 27. West northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 51. Calm wind becoming west southwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 34. West wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and noon, then rain likely after noon. Snow level rising to 8800 feet in the afternoon. Mostly cloudy, with a high near 50. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain. Snow level 8100 feet lowering to 7400 feet in the afternoon . Partly sunny, with a high near 50.
Wednesday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 22.
Friday
Sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.68°N 113.94°W (Elev. 7077 ft)
2:01 pm MDT Mar 21, 2026
6pm MDT Mar 21, 2026-6pm MDT Mar 28, 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