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Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

White Pass (TWHIT)

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

light snow

32°F

0°C

Humidity 90%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility 1.24 mi
Last update 28 Jan 02:17 AM PST
Extended Forecast for

Chinook Pass WA

  • Overnight

    Overnight: Snow before 4am, then snow, possibly mixed with rain. The snow could be heavy at times. Low around 30. South wind around 7 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain, snow, and freezing rain before 11am, then snow, possibly mixed with rain. High near 37. South southwest wind around 6 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.

    High: 37 °F

    Chance Wintry
    Mix then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain. Steady temperature around 36. South wind around 7 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 36 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow. High near 40. South southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 40 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain, mainly before 4am. Low around 36. South wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain

  • Friday

    Friday: Rain, mainly after 10am. High near 40. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain, mainly before 10am. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Overnight
Snow before 4am, then snow, possibly mixed with rain. The snow could be heavy at times. Low around 30. South wind around 7 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
A chance of rain, snow, and freezing rain before 11am, then snow, possibly mixed with rain. High near 37. South southwest wind around 6 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow, possibly mixed with rain. Steady temperature around 36. South wind around 7 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Rain and snow. High near 40. South southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Rain, mainly before 4am. Low around 36. South wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly after 10am. High near 40. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Saturday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 45.
Saturday Night
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 34.
Sunday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 42.
Sunday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 32.
Monday
Rain and snow likely. Mostly cloudy, with a high near 40.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 46.
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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:
1:26 am PST Jan 28, 2026
Forecast Valid:
2am PST Jan 28, 2026-6pm PST Feb 3, 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