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 SSW Chinook Pass WA

Winter Storm Warning April 14, 08:07pm until April 15, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning April 14, 08:07pm until April 15, 11:00pm

    NOW until 11:00pm Wed

    Winter Storm Warning

  • Tonight

    Low: 28 °F

    Rain/Snow
    then Heavy
    Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then snow showers, mainly after 11am. Some thunder is also possible.  High near 35. Wind chill values between 23 and 28. Southwest wind 3 to 8 mph. Winds could gust as high as 24 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Chance Snow
    then Snow
    Showers

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Low around 25. South southwest wind 5 to 7 mph becoming light and variable  in the evening. Winds could gust as high as 23 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 40. Wind chill values between 22 and 32. West wind 3 to 8 mph. Winds could gust as high as 23 mph.

    High: 40 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm.  Mostly cloudy, with a low around 28. West wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 26 mph.  New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °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 snow between 11am and 2pm, then a slight chance of rain after 2pm.  Partly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow, possibly mixed with rain before 3am, then a chance of snow. The snow could be heavy at times. Low around 28. Southwest wind 5 to 9 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
A chance of snow before 11am, then snow showers, mainly after 11am. Some thunder is also possible. High near 35. Wind chill values between 23 and 28. Southwest wind 3 to 8 mph. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow, mainly before 11pm. Low around 25. South southwest wind 5 to 7 mph becoming light and variable in the evening. Winds could gust as high as 23 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 40. Wind chill values between 22 and 32. West wind 3 to 8 mph. Winds could gust as high as 23 mph.
Thursday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 28. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 26 mph. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A slight chance of snow between 11am and 2pm, then a slight chance of rain after 2pm. Partly sunny, with a high near 52.
Saturday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 39.
Sunday
Rain likely before 8am, then rain and snow likely between 8am and 11am, then rain likely after 11am. Mostly cloudy, with a high near 51.
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 51.
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 49.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Chinook Pass WA
 46.81°N 121.55°W (Elev. 3852 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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