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

Hazardous Weather Conditions

Current conditions at

White Pass (TWHIT)

Lat: 46.638°NLon: 121.39°WElev: 4498.0ft.

light snow

32°F

0°C

Humidity 100%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility 0.88 mi
Last update 06 Dec 06:17 PM PST
Extended Forecast for

Chinook Pass WA

Flood Watch December 8, 04:00am until December 12, 04:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Snow, possibly mixed with rain. The snow could be heavy at times. Low around 32. Wind chill values between 25 and 30. South southwest wind 7 to 10 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.

    Low: 32 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Sunday

    Sunday: Rain, possibly mixed with snow, becoming all rain after 1pm. The snow could be heavy at times. High near 39. Wind chill values between 25 and 32. Southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Rain before 1am, then rain, possibly mixed with snow. Steady temperature around 37. West southwest wind around 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain then
    Rain/Snow

  • Monday

    Monday: Rain, possibly mixed with snow, becoming all rain after 7am. The rain could be heavy at times. High near 42. Southwest wind 10 to 15 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    then Heavy
    Rain

  • Monday Night

    Monday Night: Rain before 10pm, then rain and snow. The rain could be heavy at times. Low around 32. West wind around 16 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow. High near 38. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow. Low around 33. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow. Cloudy, with a high near 39.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow. Cloudy, with a low around 32.

    Low: 32 °F

    Rain/Snow

Detailed Forecast

Tonight
Snow, possibly mixed with rain. The snow could be heavy at times. Low around 32. Wind chill values between 25 and 30. South southwest wind 7 to 10 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.
Sunday
Rain, possibly mixed with snow, becoming all rain after 1pm. The snow could be heavy at times. High near 39. Wind chill values between 25 and 32. Southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Rain before 1am, then rain, possibly mixed with snow. Steady temperature around 37. West southwest wind around 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Monday
Rain, possibly mixed with snow, becoming all rain after 7am. The rain could be heavy at times. High near 42. Southwest wind 10 to 15 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Monday Night
Rain before 10pm, then rain and snow. The rain could be heavy at times. Low around 32. West wind around 16 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Tuesday
Rain and snow. High near 38. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday Night
Rain, possibly mixed with snow. Low around 33. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain and snow. Cloudy, with a high near 39.
Wednesday Night
Rain and snow. Cloudy, with a low around 32.
Thursday
Rain and snow. Mostly cloudy, with a high near 39.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 35.
Friday
A chance of rain. Mostly cloudy, with a high near 44.
Friday Night
A chance of rain. Mostly cloudy, with a low around 35.
Saturday
A chance of rain and snow. Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.86°N 121.53°W (Elev. 3973 ft)
Last Update:
1:25 pm PST Dec 6, 2025
Forecast Valid:
6pm PST Dec 6, 2025-6pm PST Dec 13, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation