National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Chinook Pass WA

  • Today

    Today: A 40 percent chance of rain, mainly after 1pm. Partly sunny, with a high near 43. Light and variable wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 43 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Northwest wind around 11 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Monday

    Monday: A 50 percent chance of snow. Mostly cloudy, with a high near 33. Wind chill values between 21 and 26. West wind 10 to 15 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Monday Night

    Monday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 27. Wind chill values between 18 and 23. West wind 11 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Likely
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Snow, mainly after 11am. High near 31. West southwest wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times. Low around 21. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 21 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow likely before 11am, then snow showers after 11am. Some thunder is also possible. High near 26. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 26 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Snow

  • Thursday

    Thursday: A chance of snow, mainly after 11am. Partly sunny, with a high near 29.

    High: 29 °F

    Chance Snow

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 1pm. Partly sunny, with a high near 43. Light and variable wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Tonight
Rain likely before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Northwest wind around 11 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 33. Wind chill values between 21 and 26. West wind 10 to 15 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Monday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 27. Wind chill values between 18 and 23. West wind 11 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Snow, mainly after 11am. High near 31. West southwest wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 21. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Wednesday
Snow likely before 11am, then snow showers after 11am. Some thunder is also possible. High near 26. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow, mainly before 11pm. Mostly cloudy, with a low around 19.
Thursday
A chance of snow, mainly after 11am. Partly sunny, with a high near 29.
Thursday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.51°W (Elev. 4823 ft)
Last Update:
11:27 pm PDT Apr 11, 2026
Forecast Valid:
9am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation