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Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Lost Trail Pass (ITD87)

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

light snow

27°F

-3°C

Humidity 100%
Wind Speed SSW 6 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility 1.24 mi
Wind Chill20°F (-7°C)
Last update 13 Apr 09:00 AM MDT
Extended Forecast for

Lost Trail Pass MT

  • Today

    Today: Snow showers, mainly after noon. High near 40. South wind 7 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 40 °F

    Chance Snow
    Showers then
    Snow Showers

  • Tonight

    Tonight: A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 28. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph. Little or no snow accumulation expected.

    Low: 28 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of snow showers before noon. Partly sunny, with a high near 45. Light west southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph.

    High: 45 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow showers after midnight. Mostly cloudy, with a low around 32. South southwest wind 6 to 10 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers. High near 42. South southwest wind 6 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 22. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 22 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers. High near 30. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 30 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: A chance of snow. Partly sunny, with a high near 36.

    High: 36 °F

    Chance Snow

Detailed Forecast

Today
Snow showers, mainly after noon. High near 40. South wind 7 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 28. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph. Little or no snow accumulation expected.
Tuesday
A 20 percent chance of snow showers before noon. Partly sunny, with a high near 45. Light west southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
A 40 percent chance of snow showers after midnight. Mostly cloudy, with a low around 32. South southwest wind 6 to 10 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.
Wednesday
Snow showers. High near 42. South southwest wind 6 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers. Low around 22. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow showers. High near 30. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18.
Friday
A chance of snow. Partly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
A chance of snow. Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Trail Pass MT
 45.7°N 113.94°W (Elev. 6598 ft)
Last Update:
2:01 am MDT Apr 13, 2026
Forecast Valid:
9am MDT Apr 13, 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