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

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.

NA

38°F

3°C

Humidity 51%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility 1.24 mi
Wind Chill33°F (1°C)
Last update 14 Apr 08:30 PM MDT
Extended Forecast for

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 3am. Mostly cloudy, with a low around 32. South southwest wind 6 to 9 mph, with gusts as high as 23 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow before 3pm, then rain and snow showers likely between 3pm and 5pm, then snow after 5pm. Some thunder is also possible. High near 43. South southwest wind 6 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 43 °F

    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 20. West wind 6 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 20 °F

    Snow then
    Snow Likely

  • Thursday

    Thursday: Snow. High near 29. Northwest wind 6 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 29 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 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 28 mph. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly after noon. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Snow Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow then
    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

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly after 3am. Mostly cloudy, with a low around 32. South southwest wind 6 to 9 mph, with gusts as high as 23 mph. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow before 3pm, then rain and snow showers likely between 3pm and 5pm, then snow after 5pm. Some thunder is also possible. High near 43. South southwest wind 6 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow. Low around 20. West wind 6 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 29. Northwest wind 6 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 50 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 28 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 35. 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 18.
Saturday
Sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 32.
Monday
A chance of rain and snow. Partly sunny, with a high near 56.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Tuesday
Snow likely. Mostly cloudy, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...
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 pm MDT Apr 14, 2026
Forecast Valid:
9pm MDT Apr 14, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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