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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

White Pass (TWHIT)

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

Rain

33°F

1°C

Humidity NA
Wind Speed E 0 MPH
Barometer NA
Dewpoint N/A
Visibility 1.24 mi
Last update NA
Extended Forecast for

Chinook Pass WA

  • Overnight

    Overnight: Snow, possibly mixed with rain. The snow could be heavy at times. Low around 31. Wind chill values between 23 and 28. South southwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 31 °F

    Rain/Snow

  • Thursday

    Thursday: Snow, possibly mixed with rain. The snow could be heavy at times. High near 35. Wind chill values between 21 and 27. South southwest wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow before midnight, then a chance of rain and snow after 4am. Low around 33. Wind chill values between 25 and 30. South wind 10 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Friday

    Friday: Rain and snow, mainly after 10am. High near 35. Wind chill values between 24 and 29. South southwest wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 35 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain, mainly before 10pm. Low around 33. South southwest wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 40.

    High: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain between 10pm and 4am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow likely, mainly after 10am. Mostly cloudy, with a high near 36.

    High: 36 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow likely, possibly mixed with rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Rain/Snow
    Likely then
    Chance Snow

Detailed Forecast

Overnight
Snow, possibly mixed with rain. The snow could be heavy at times. Low around 31. Wind chill values between 23 and 28. South southwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Thursday
Snow, possibly mixed with rain. The snow could be heavy at times. High near 35. Wind chill values between 21 and 27. South southwest wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Rain and snow before midnight, then a chance of rain and snow after 4am. Low around 33. Wind chill values between 25 and 30. South wind 10 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
Rain and snow, mainly after 10am. High near 35. Wind chill values between 24 and 29. South southwest wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday Night
Rain, mainly before 10pm. Low around 33. South southwest wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 40.
Saturday Night
A slight chance of rain between 10pm and 4am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday
Rain and snow likely, mainly after 10am. Mostly cloudy, with a high near 36.
Sunday Night
Snow likely, possibly mixed with rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 29.
Monday
A chance of snow. Mostly cloudy, with a high near 34.
Monday Night
A chance of snow. Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly sunny, with a high near 43.
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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:
1:26 am PST Jan 29, 2026
Forecast Valid:
4am PST Jan 29, 2026-6pm PST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation