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

3 Miles SSW Chinook Pass WA

Winter Storm Warning April 14, 07:53pm until April 15, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning April 14, 07:53pm until April 15, 11:00pm

    NOW until 11:00pm Wed

    Winter Storm Warning

  • Tonight

    Low: 27 °F

    Heavy Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then snow showers, mainly after 11am. Some thunder is also possible.  High near 36. Wind chill values between 20 and 27. South southwest wind 8 to 11 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    then Snow
    Showers

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Low around 25. Wind chill values between 18 and 23. South southwest wind 7 to 11 mph becoming west northwest after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow after 11am.  Mostly sunny, with a high near 41. Wind chill values between 19 and 29. West wind 7 to 11 mph, with gusts as high as 30 mph.

    High: 41 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm.  Mostly cloudy, with a low around 27. West wind 6 to 13 mph, with gusts as high as 32 mph.  New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 11am.  Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Snow, mainly before 3am. The snow could be heavy at times. Low around 27. Southwest wind 8 to 14 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 11am, then snow showers, mainly after 11am. Some thunder is also possible. High near 36. Wind chill values between 20 and 27. South southwest wind 8 to 11 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow, mainly before 11pm. Low around 25. Wind chill values between 18 and 23. South southwest wind 7 to 11 mph becoming west northwest after midnight. Winds could gust as high as 28 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 41. Wind chill values between 19 and 29. West wind 7 to 11 mph, with gusts as high as 30 mph.
Thursday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 27. West wind 6 to 13 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 47.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A slight chance of rain after 11am. Partly sunny, with a high near 53.
Saturday Night
Rain likely before 2am, then rain and snow likely. Mostly cloudy, with a low around 38.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 52.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 37.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 52.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Chinook Pass WA
 46.84°N 121.52°W (Elev. 4052 ft)
11:27 am PDT Apr 14, 2026
7pm PDT Apr 14, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

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