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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. 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 NW White Pass WA

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

    Overnight: A slight chance of snow between 4am and 5am.  Mostly cloudy, with a low around 33. West southwest wind around 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A chance of snow between 7am and 11am, then snow, possibly mixed with rain.  High near 39. West southwest wind 8 to 11 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 39 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 2am. The snow could be heavy at times.  Low around 29. Southwest wind 8 to 13 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 29 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible.  High near 35. Wind chill values between 22 and 27. West southwest wind 7 to 9 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Low around 25. West wind 7 to 9 mph, with gusts as high as 26 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 30 percent chance of snow after 11am.  Partly sunny, with a high near 39. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm.  Partly cloudy, with a low around 27. Little or no snow accumulation expected.

    Low: 27 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of snow between 4am and 5am. Mostly cloudy, with a low around 33. West southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday
A chance of snow between 7am and 11am, then snow, possibly mixed with rain. High near 39. West southwest wind 8 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Tuesday Night
Rain and snow, becoming all snow after 2am. The snow could be heavy at times. Low around 29. Southwest wind 8 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday
Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 35. Wind chill values between 22 and 27. West southwest wind 7 to 9 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow, mainly before 11pm. Low around 25. West wind 7 to 9 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday
A 30 percent chance of snow after 11am. Partly sunny, with a high near 39. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of snow before 11pm. Partly cloudy, with a low around 27. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 52.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 38.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 48.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 36.
Monday
Rain and snow likely. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW White Pass WA
 46.71°N 121.49°W (Elev. 3514 ft)
11:27 pm PDT Apr 13, 2026
12am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database