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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

White Pass (TWHIT)

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

light snow

29°F

-2°C

Humidity 100%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility 1.24 mi
Last update 09 Jan 06:17 AM PST
Extended Forecast for

Chinook Pass WA

  • Today

    Today: A 20 percent chance of snow before 7am. Patchy fog between 8am and 11am. Areas of freezing fog before 8am. Otherwise, partly sunny, with a high near 31. Wind chill values between 15 and 25. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 31 °F

    Slight Chance
    Snow and
    Areas
    Freezing Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Wind chill values between 18 and 23. South wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 35. Wind chill values between 19 and 25. South wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 29. Wind chill values between 20 and 25. South southwest wind around 11 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely before 4pm, then rain and snow likely. Patchy fog after 1pm. Otherwise, mostly cloudy, with a high near 34. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Likely
    then
    Rain/Snow
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain and snow. Patchy fog before 2am, then patchy fog after 3am. Low around 32. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow and
    Patchy Fog

  • Monday

    Monday: Rain. High near 38. Chance of precipitation is 80%.

    High: 38 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain, mainly before 4am. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Tuesday

    Tuesday: A slight chance of rain before 10am. Partly sunny, with a high near 41.

    High: 41 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of snow before 7am. Patchy fog between 8am and 11am. Areas of freezing fog before 8am. Otherwise, partly sunny, with a high near 31. Wind chill values between 15 and 25. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 27. Wind chill values between 18 and 23. South wind 9 to 11 mph, with gusts as high as 22 mph.
Saturday
Partly sunny, with a high near 35. Wind chill values between 19 and 25. South wind 9 to 13 mph, with gusts as high as 22 mph.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 29. Wind chill values between 20 and 25. South southwest wind around 11 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely before 4pm, then rain and snow likely. Patchy fog after 1pm. Otherwise, mostly cloudy, with a high near 34. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain and snow. Patchy fog before 2am, then patchy fog after 3am. Low around 32. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Rain. High near 38. Chance of precipitation is 80%.
Monday Night
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 35.
Tuesday
A slight chance of rain before 10am. Partly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.51°W (Elev. 4823 ft)
Last Update:
1:25 am PST Jan 9, 2026
Forecast Valid:
6am PST Jan 9, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation