Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. 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

4 Miles SSE Chinook Pass WA

  • Overnight

    Overnight: Partly cloudy, with a low around 34. East northeast wind around 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 5pm.  Partly sunny, with a high near 49. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Partly Sunny
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain likely before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am.  Mostly cloudy, with a low around 33. Southwest wind around 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Monday

    Monday: A 50 percent chance of snow.  Mostly cloudy, with a high near 38. Wind chill values between 25 and 30. West southwest wind 11 to 14 mph, with gusts as high as 30 mph.  New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow

  • Monday Night

    Monday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 29. West southwest wind 13 to 15 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Snow Likely
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Snow, mainly after 11am.  High near 35. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Low around 23. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 23 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow likely before 11am, then snow showers after 11am. Some thunder is also possible.  Mostly cloudy, with a high near 31.

    High: 31 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Mostly cloudy, with a low around 21.

    Low: 21 °F

    Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. East northeast wind around 5 mph.
Sunday
Rain likely, mainly after 5pm. Partly sunny, with a high near 49. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 33. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 38. Wind chill values between 25 and 30. West southwest wind 11 to 14 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Monday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 29. West southwest wind 13 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Snow, mainly after 11am. High near 35. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 23. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Wednesday
Snow likely before 11am, then snow showers after 11am. Some thunder is also possible. Mostly cloudy, with a high near 31.
Wednesday Night
Snow, mainly before 11pm. Mostly cloudy, with a low around 21.
Thursday
A chance of snow, mainly after 11am. Partly sunny, with a high near 35.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Chinook Pass WA
 46.82°N 121.49°W (Elev. 5030 ft)
11:27 pm PDT Apr 11, 2026
3am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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