National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

56°F

13°C

Humidity 20%
Wind Speed SW 8 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility 1.24 mi
Last update 20 Apr 01:00 PM MDT
Extended Forecast for

Lost Trail Pass MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 64. South wind around 6 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. West wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 37. South southeast wind 3 to 7 mph. Winds could gust as high as 21 mph.

    Low: 37 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain and snow likely before 9am, then snow showers. Some thunder is also possible. High near 45. Light and variable wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Rain/Snow
    Likely then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow. Low around 30. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 30 °F

    Snow

  • Thursday

    Thursday: Snow. High near 37. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Snow

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 34.

    High: 34 °F

    Snow Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 64. South wind around 6 mph.
Tonight
Partly cloudy, with a low around 37. West wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 66. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 37. South southeast wind 3 to 7 mph. Winds could gust as high as 21 mph.
Wednesday
Rain and snow likely before 9am, then snow showers. Some thunder is also possible. High near 45. Light and variable wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 30. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 37. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow. Mostly cloudy, with a low around 21.
Friday
Snow likely. Mostly cloudy, with a high near 34.
Friday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 18.
Saturday
A slight chance of snow. Mostly sunny, with a high near 39.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 20.
Sunday
A slight chance of snow. Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.68°N 113.94°W (Elev. 7077 ft)
Last Update:
12:21 pm MDT Apr 20, 2026
Forecast Valid:
1pm MDT Apr 20, 2026-6pm MDT Apr 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation