Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest

More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

36°F

2°C

Humidity 31%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 8°F (-13°C)
Visibility 1.24 mi
Last update 22 Mar 11:00 PM MDT
Extended Forecast for

Lost Trail Pass MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow before noon, then rain likely.  Mostly cloudy, with a high near 52. South wind 5 to 9 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 52 °F

    Slight Chance
    Rain/Snow
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 41. West southwest wind 6 to 8 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely before noon, then rain and snow likely.  Mostly cloudy, with a high near 53. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 53 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 9pm.  Mostly cloudy, with a low around 25. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday

    Thursday: A slight chance of snow before noon.  Mostly sunny, with a high near 37.

    High: 37 °F

    Slight Chance
    Snow then
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 21.

    Low: 21 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. Calm wind.
Monday
Mostly sunny, with a high near 54. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 35. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of rain and snow before noon, then rain likely. Mostly cloudy, with a high near 52. South wind 5 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 41. West southwest wind 6 to 8 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely before noon, then rain and snow likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 25. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A slight chance of snow before noon. Mostly sunny, with a high near 37.
Thursday Night
Clear, with a low around 21.
Friday
Sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.94°W (Elev. 6598 ft)
2:01 pm MDT Mar 22, 2026
11pm MDT Mar 22, 2026-6pm MDT Mar 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database