National Weather Service

News Headlines

Virtual SKYWARN Spotter Training January 15, 2026

Hazardous Weather Conditions

Winter Weather Advisory until January 2, 12:00 PM PST

Current conditions at

White Pass (TWHIT)

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

light snow

N/A

Humidity	94%
Wind Speed	SW 0 MPH
Barometer	NA
Dewpoint	N/A
Visibility	1.24 mi
Last update	20 Dec 01:48 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Chinook Pass WA

Winter Weather Advisory January 2, 03:36am until January 2, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 2, 03:36am until January 2, 12:00pm
NOW until 12:00pm Fri
Winter Weather Advisory
Overnight
Low: 34 °F
Rain/Snow
Friday
High: 35 °F
Rain/Snow
Friday Night
Low: 34 °F
Rain/Snow
Saturday
High: 33 °F
Rain/Snow
Saturday Night
Low: 28 °F
Breezy.
Rain/Snow
then Snow
Sunday
High: 30 °F
Snow and
Breezy
Sunday Night
Low: 24 °F
Snow
Monday
High: 27 °F
Snow Likely

Detailed Forecast

Overnight

Rain before 4am, then rain, possibly mixed with snow. Steady temperature around 34. Wind chill values between 25 and 30. South southwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

Friday

Rain and snow before 3pm, then rain likely between 3pm and 4pm, then rain, possibly mixed with snow after 4pm. High near 35. Wind chill values between 25 and 30. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday Night

Rain, possibly mixed with snow. Steady temperature around 34. Wind chill values between 22 and 27. South southeast wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday

Rain and snow. High near 33. Wind chill values between 21 and 26. South southwest wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Saturday Night

Rain and snow, becoming all snow after 7pm. Low around 28. Breezy, with a south wind 16 to 23 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Sunday

Snow. High near 30. Breezy. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Sunday Night

Snow. Low around 24. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Monday

Snow likely, mainly before 10am. Mostly cloudy, with a high near 27.

Monday Night

A chance of snow. Mostly cloudy, with a low around 20.

Tuesday

Snow likely, mainly after 10am. Mostly cloudy, with a high near 27.

Tuesday Night

Snow likely. Cloudy, with a low around 20.