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

36°F

2°C

Humidity 90%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility 1.24 mi
Wind Chill30°F (-1°C)
Last update 15 Apr 01:00 PM MDT
Extended Forecast for

5 Miles WNW Gibbonsville ID

Winter Weather Advisory April 15, 06:00pm until April 16, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Snow likely before 3pm, then snow showers, mainly after 3pm. Some thunder is also possible.  High near 36. Breezy, with a southwest wind around 22 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 36 °F

    Snow Showers
    and Breezy

  • Tonight

    Tonight: Snow showers before 9pm, then snow likely, mainly after 5am. The snow could be heavy at times. Some thunder is also possible.  Low around 15. Blustery, with a west northwest wind 13 to 23 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 15 °F

    Heavy Snow
    and Blustery
    then Snow
    Likely

  • Thursday

    Thursday: Snow.  High near 23. Wind chill values as low as zero. Northwest wind 13 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 23 °F

    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 18. West wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 29 mph.  New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: Snow likely.  Mostly cloudy, with a high near 28. West wind 10 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 28 °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 40.

    High: 40 °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 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow likely before 3pm, then snow showers, mainly after 3pm. Some thunder is also possible. High near 36. Breezy, with a southwest wind around 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow showers before 9pm, then snow likely, mainly after 5am. The snow could be heavy at times. Some thunder is also possible. Low around 15. Blustery, with a west northwest wind 13 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 23. Wind chill values as low as zero. Northwest wind 13 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18. West wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 29 mph. New snow accumulation of less than one inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 28. West wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Mostly clear, with a low around 18.
Saturday
Sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
A slight chance of rain. Snow level 8200 feet. Mostly sunny, with a high near 55.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Gibbonsville ID
 45.59°N 114.01°W (Elev. 8114 ft)
12:22 pm MDT Apr 15, 2026
1pm 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