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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

NA

44°F

7°C

Humidity 68%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility 1.24 mi
Last update 12 Apr 03:00 PM MDT
Extended Forecast for

3 Miles SW Lost Trail Pass MT

  • This Afternoon

    This Afternoon: Rain and snow showers. Some thunder is also possible. Snow level 7800 feet. High near 45. South wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow

  • Tonight

    Tonight: Rain showers and snow, becoming all snow after 9pm. Some thunder is also possible. Low around 28. South wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Likely

  • Monday

    Monday: Snow, mainly before 4pm. The snow could be heavy at times. High near 35. South wind around 8 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 35 °F

    Heavy Snow

  • Monday Night

    Monday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 28. West wind 5 to 8 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow before noon. Partly sunny, with a high near 40. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph.

    High: 40 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 30. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow. High near 38. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 38 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 20.

    Low: 20 °F

    Heavy Snow

  • Thursday

    Thursday: Snow. Cloudy, with a high near 26.

    High: 26 °F

    Snow

Detailed Forecast

This Afternoon
Rain and snow showers. Some thunder is also possible. Snow level 7800 feet. High near 45. South wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain showers and snow, becoming all snow after 9pm. Some thunder is also possible. Low around 28. South wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow, mainly before 4pm. The snow could be heavy at times. High near 35. South wind around 8 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Monday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 28. West wind 5 to 8 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
Tuesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 40. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph.
Tuesday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 30. New snow accumulation of less than a half inch possible.
Wednesday
Snow. High near 38. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 20.
Thursday
Snow. Cloudy, with a high near 26.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 15.
Friday
A chance of snow. Partly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A slight chance of rain and snow. Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Lost Trail Pass MT
 45.67°N 114°W (Elev. 7480 ft)
Last Update:
2:01 pm MDT Apr 12, 2026
Forecast Valid:
3pm MDT Apr 12, 2026-6pm MDT Apr 19, 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