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

White Pass (TWHIT)

Lat: 46.638°NLon: 121.39°WElev: 4498.0ft.

NA

N/A

Humidity 70%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint N/A
Visibility 1.24 mi
Last update 03 Apr 10:56 AM PDT
Extended Forecast for

5 Miles NNE Chinook Pass WA

Winter Storm Warning April 15, 07:55am until April 15, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning April 15, 07:55am until April 15, 11:00pm

    NOW until 11:00pm Wed

    Winter Storm Warning

  • Today

    High: 29 °F

    Chance Snow
    then Snow
    Showers

  • Tonight

    Tonight: Snow, mainly before 11pm.  Low around 19. Wind chill values between 7 and 14. West northwest wind 11 to 13 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Snow then
    Slight Chance
    Snow

  • Thursday

    Thursday: A 20 percent chance of snow after 11am.  Mostly sunny, with a high near 34. Wind chill values between 9 and 19. West northwest wind 11 to 17 mph, with gusts as high as 38 mph.

    High: 34 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm.  Partly cloudy, with a low around 21. Wind chill values between 14 and 19. West wind 8 to 17 mph, with gusts as high as 37 mph.  Little or no snow accumulation expected.

    Low: 21 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 41. Northwest wind around 7 mph.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain before 2am, then a chance of rain and snow.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Today
Snow showers, mainly before 5pm, then snow after 5pm. Some thunder is also possible. High near 29. Wind chill values between 8 and 17. West wind 11 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before 11pm. Low around 19. Wind chill values between 7 and 14. West northwest wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 34. Wind chill values between 9 and 19. West northwest wind 11 to 17 mph, with gusts as high as 38 mph.
Thursday Night
A 30 percent chance of snow before 11pm. Partly cloudy, with a low around 21. Wind chill values between 14 and 19. West wind 8 to 17 mph, with gusts as high as 37 mph. Little or no snow accumulation expected.
Friday
Sunny, with a high near 41. Northwest wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 48.
Saturday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 34.
Sunday
A chance of rain and snow. Partly sunny, with a high near 51.
Sunday Night
A chance of rain and snow before 2am, then a slight chance of snow. Mostly cloudy, with a low around 36.
Monday
A chance of rain and snow. Partly sunny, with a high near 54.
Monday Night
A chance of rain and snow. Partly cloudy, with a low around 37.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Chinook Pass WA
 46.93°N 121.49°W (Elev. 5233 ft)
1:16 am PDT Apr 15, 2026
7am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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