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 14, 08:22pm until April 15, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning April 14, 08:22pm until April 15, 11:00pm

    NOW until 11:00pm Wed

    Winter Storm Warning

  • Tonight

    Low: 21 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow, mainly between noon and 2pm, then snow showers after 2pm. Some thunder is also possible.  High near 29. Wind chill values between 9 and 17. West northwest wind 11 to 17 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Chance Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Low around 20. Wind chill values between 8 and 14. West northwest wind 11 to 15 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °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 18 mph, with gusts as high as 39 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. West wind 9 to 17 mph, with gusts as high as 38 mph.  Little or no snow accumulation expected.

    Low: 21 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Friday Night

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

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 11am, mixing with rain after 2pm.  Partly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow, mainly before 3am. The snow could be heavy at times. Low around 21. Wind chill values between 12 and 17. Southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.
Wednesday
Snow, mainly between noon and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 29. Wind chill values between 9 and 17. West northwest wind 11 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow, mainly before 11pm. Low around 20. Wind chill values between 8 and 14. West northwest wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 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 18 mph, with gusts as high as 39 mph.
Thursday Night
A 30 percent chance of snow before 11pm. Partly cloudy, with a low around 21. West wind 9 to 17 mph, with gusts as high as 38 mph. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 40.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
A slight chance of snow after 11am, mixing with rain after 2pm. Partly sunny, with a high near 47.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 45.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 32.
Monday
A chance of snow. Partly sunny, with a high near 45.
Monday Night
A chance of snow. Mostly cloudy, with a low around 32.
Tuesday
A chance of snow. Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Chinook Pass WA
 46.93°N 121.49°W (Elev. 5233 ft)
11:27 am PDT Apr 14, 2026
8pm PDT Apr 14, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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