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 >

Current conditions at

Lost Trail Pass (ITD87)

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

light snow

31°F

-1°C

Humidity 93%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility 0.87 mi
Last update 15 Apr 01:00 AM MDT
Extended Forecast for

6 Miles W 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
  • Overnight

    Overnight: Snow likely, mainly after 5am.  Mostly cloudy, with a low around 31. Southwest wind 6 to 8 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 31 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow, mainly before 11am, then snow showers after 3pm. Some thunder is also possible.  High near 40. South southwest wind 6 to 14 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 40 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 9pm. The snow could be heavy at times.  Low around 16. West southwest wind 6 to 13 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 16 °F

    Heavy Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow.  High near 26. West northwest wind 6 to 13 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 26 °F

    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 18. Northwest wind 6 to 11 mph becoming light west  after midnight. Winds could gust as high as 29 mph.  New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 32. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely

  • Friday Night

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

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

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

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow likely, mainly after 5am. Mostly cloudy, with a low around 31. Southwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Snow, mainly before 11am, then snow showers after 3pm. Some thunder is also possible. High near 40. South southwest wind 6 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday Night
Snow, mainly before 9pm. The snow could be heavy at times. Low around 16. West southwest wind 6 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 26. West northwest wind 6 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18. Northwest wind 6 to 11 mph becoming light west after midnight. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 32. 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 44.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 55.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 34.
Tuesday
A chance of snow. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Lost Trail Pass MT
 45.71°N 114.07°W (Elev. 7100 ft)
12:22 am MDT Apr 15, 2026
1am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
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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