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

6 Miles NNE Chinook Pass WA

Winter Storm Warning April 15, 02:12am until April 15, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning April 15, 02:12am until April 15, 11:00pm

    NOW until 11:00pm Wed

    Winter Storm Warning

  • Overnight

    Low: 20 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then snow showers, mainly after 11am. Some thunder is also possible.  High near 30. Wind chill values between 7 and 17. West northwest wind 13 to 20 mph, with gusts as high as 40 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 30 °F

    Chance Snow
    then Snow
    Showers

  • Wednesday Night

    Wednesday Night: Snow, mainly before 10pm.  Low around 19. Wind chill values between 6 and 13. West northwest wind 13 to 15 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 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 35. Wind chill values between 9 and 19. West northwest wind 13 to 20 mph, with gusts as high as 40 mph.

    High: 35 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm.  Partly cloudy, with a low around 21. West wind 10 to 18 mph, with gusts as high as 39 mph.  Little or no snow accumulation expected.

    Low: 21 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly before 3am. Mostly cloudy, with a low around 20. Wind chill values between 10 and 15. West northwest wind 11 to 13 mph, with gusts as high as 26 mph. Total nighttime snow accumulation of 3 to 7 inches possible.
Wednesday
A chance of snow before 11am, then snow showers, mainly after 11am. Some thunder is also possible. High near 30. Wind chill values between 7 and 17. West northwest wind 13 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow, mainly before 10pm. Low around 19. Wind chill values between 6 and 13. West northwest wind 13 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 35. Wind chill values between 9 and 19. West northwest wind 13 to 20 mph, with gusts as high as 40 mph.
Thursday Night
A 30 percent chance of snow before 11pm. Partly cloudy, with a low around 21. West wind 10 to 18 mph, with gusts as high as 39 mph. Little or no snow accumulation expected.
Friday
Sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 49.
Saturday Night
A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 34.
Sunday
A chance of snow before 11am, then a chance of rain and snow. Mostly cloudy, with a high near 51.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Monday
A chance of rain and snow. Partly sunny, with a high near 55.
Monday Night
A chance of rain and snow. Partly cloudy, with a low around 36.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Chinook Pass WA
 46.95°N 121.46°W (Elev. 5587 ft)
1:16 am PDT Apr 15, 2026
2am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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