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.

unknown precip

35°F

2°C

Humidity 70%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility 1.24 mi
Wind Chill31°F (-1°C)
Last update 14 Apr 10:15 PM MDT
Extended Forecast for

10 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
  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 2am.  Mostly cloudy, with a low around 32. Southwest wind 5 to 8 mph, with gusts as high as 22 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible.  High near 41. South southwest wind 5 to 14 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 20. West wind 5 to 10 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 20 °F

    Heavy Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow.  High near 28. West northwest wind 5 to 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 19. Northwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 26 mph.  New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: Snow likely.  Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly after 2am. Mostly cloudy, with a low around 32. Southwest wind 5 to 8 mph, with gusts as high as 22 mph. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 41. South southwest wind 5 to 14 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. The snow could be heavy at times. Low around 20. West wind 5 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow. High near 28. West northwest wind 5 to 11 mph, with gusts as high as 26 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 19. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 26 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 19.
Saturday
Sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 32.
Monday
A chance of rain and snow. Partly sunny, with a high near 54.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Tuesday
Snow likely. Mostly cloudy, with a high near 51.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Lost Trail Pass MT
 45.64°N 114.11°W (Elev. 6841 ft)
2:01 pm MDT Apr 14, 2026
10pm MDT Apr 14, 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