Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. 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

8 Miles SSW Chinook Pass WA

Winter Storm Watch April 14, 11:00am until April 15, 11:00pm
Click here for hazard details and duration
Winter Storm Watch
  • Today

    Today: A 50 percent chance of rain.  Mostly cloudy, with a high near 47. Southwest wind around 6 mph.

    High: 47 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain and snow before 11pm, then a slight chance of rain and snow after 3am.  Mostly cloudy, with a low around 34. South southwest wind around 6 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow, mainly after 11am.  High near 45. Southwest wind around 6 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow.  Low around 30. Southwest wind 5 to 7 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 30 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow.  High near 41. West wind 3 to 6 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 41 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Low around 26. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A chance of snow after 11am, mixing with rain after 2pm.  Partly sunny, with a high near 45. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 45 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow before 11pm.  Partly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of rain. Mostly cloudy, with a high near 47. Southwest wind around 6 mph.
Tonight
A chance of rain and snow before 11pm, then a slight chance of rain and snow after 3am. Mostly cloudy, with a low around 34. South southwest wind around 6 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
Rain and snow, mainly after 11am. High near 45. Southwest wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow. Low around 30. Southwest wind 5 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Wednesday
Snow. High near 41. West wind 3 to 6 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow, mainly before 11pm. Low around 26. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow after 11am, mixing with rain after 2pm. Partly sunny, with a high near 45. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
A slight chance of rain and snow before 11pm. Partly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 56.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 38.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 55.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Chinook Pass WA
 46.75°N 121.56°W (Elev. 2313 ft)
11:27 pm PDT Apr 12, 2026
7am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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