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.

Rain

35°F

2°C

Humidity 71%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility 1.24 mi
Last update 11 Jan 04:32 AM PST
Extended Forecast for

Chinook Pass WA

  • Overnight

    Overnight: A chance of rain and snow. Mostly cloudy, with a low around 32. Wind chill values between 25 and 30. South southwest wind around 10 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow likely before 1pm, then a chance of rain. Mostly cloudy, with a high near 39. South southwest wind around 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 35. South southwest wind around 11 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 10am. Patchy fog after 9am. Otherwise, mostly cloudy, with a high near 43. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Rain Likely
    and Patchy
    Fog

  • Monday Night

    Monday Night: A 30 percent chance of rain before 10pm. Patchy fog before 2am. Otherwise, mostly cloudy, with a low around 37. Southwest wind 3 to 6 mph.

    Low: 37 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of rain and snow. Mostly cloudy, with a low around 32. Wind chill values between 25 and 30. South southwest wind around 10 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Rain and snow likely before 1pm, then a chance of rain. Mostly cloudy, with a high near 39. South southwest wind around 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 35. South southwest wind around 11 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly before 10am. Patchy fog after 9am. Otherwise, mostly cloudy, with a high near 43. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 30 percent chance of rain before 10pm. Patchy fog before 2am. Otherwise, mostly cloudy, with a low around 37. Southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.86°N 121.53°W (Elev. 3973 ft)
Last Update:
1:25 am PST Jan 11, 2026
Forecast Valid:
4am PST Jan 11, 2026-6pm PST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation