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Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Lost Trail Pass (ITD87)

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

light snow

31°F

-1°C

Humidity NA
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint N/A
Visibility 0.68 mi
Wind Chill24°F (-4°C)
Last update NA
Extended Forecast for

13 Miles WSW Lost Trail Pass MT

Winter Weather Advisory April 15, 03:00pm until April 16, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Rain, possibly mixed with snow showers, becoming all snow after 5pm. Some thunder is also possible. High near 42. South southwest wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow Showers
    then
    Rain/Snow

  • Tonight

    Tonight: Snow showers, mainly before 9pm. The snow could be heavy at times. Low around 18. West northwest wind 5 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Heavy Snow
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers. High near 28. West northwest wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 28 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 19. Northwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 33. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, possibly mixed with snow showers, becoming all snow after 5pm. Some thunder is also possible. High near 42. South southwest wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers, mainly before 9pm. The snow could be heavy at times. Low around 18. West northwest wind 5 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. High near 28. West northwest wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Thursday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 19. Northwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 33. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 18.
Saturday
Sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 58.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 35.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles WSW Lost Trail Pass MT
 45.63°N 114.17°W (Elev. 6467 ft)
Last Update:
2:01 am MDT Apr 15, 2026
Forecast Valid:
9am MDT Apr 15, 2026-6pm MDT Apr 21, 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