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

Winter Storm Impacting Portions of the West

Periods of heavy rain, high elevation snow, and high winds will continue in the Pacific Northwest, Rockies and parts of the Great Basin through the weekend. Minor river flooding, flash flooding, and debris flows will also be possible near recently burned areas in the Pacific Northwest. Strong thunderstorms with heavy downpours will impact the central Gulf to the Southeast into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

White Pass (TWHIT)

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

light snow

30°F

-1°C

Humidity 99%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility 0.83 mi
Last update 01 Dec 11:53 PM PST
Extended Forecast for

5 Miles NNE Chinook Pass WA

Flood Watch December 2, 10:00pm until December 7, 04:00am
Winter Storm Warning until December 3, 04:00am
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Winter Storm Warning until December 3, 04:00am

    NOW until
    4:00am Sun

    Winter Storm Warning

  • Overnight

    Overnight: Snow. The snow could be heavy at times. Steady temperature around 28. Wind chill values between 8 and 13. Windy, with a south southwest wind 28 to 36 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 14 inches possible.

    Heavy Snow
    and Windy

    Low: 28 °F

  • Saturday

    Saturday: Snow likely, mainly before 11am. The snow could be heavy at times. Mostly cloudy, with a high near 29. Wind chill values between 6 and 14. Windy, with a west wind 33 to 43 mph decreasing to 23 to 33 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 4 to 8 inches possible.

    Windy. Heavy
    Snow then
    Chance Snow

    High: 29 °F

  • Saturday
    Night

    Saturday Night: Snow. Temperature rising to around 33 by 5am. Wind chill values between 12 and 22. South wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Snow

    Low: 25 °F⇑

  • Sunday

    Sunday: Rain and snow. Snow level 7000 feet lowering to 6300 feet in the afternoon . High near 36. Wind chill values between 19 and 28. South southwest wind 8 to 13 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Rain/Snow

    High: 36 °F

  • Sunday
    Night

    Sunday Night: Rain, possibly mixed with snow. Low around 29. Southwest wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Rain/Snow

    Low: 29 °F

  • Monday

    Monday: Rain and snow, becoming all rain after 1pm. Snow level 7300 feet rising to 8400 feet in the afternoon. High near 37. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Rain/Snow

    High: 37 °F

  • Monday
    Night

    Monday Night: Rain. Low around 34. Chance of precipitation is 100%.

    Rain

    Low: 34 °F

  • Tuesday

    Tuesday: Rain and snow. Snow level 8200 feet lowering to 7000 feet in the afternoon . Cloudy, with a high near 36.

    Rain/Snow

    High: 36 °F

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Steady temperature around 28. Wind chill values between 8 and 13. Windy, with a south southwest wind 28 to 36 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 14 inches possible.
Saturday
Snow likely, mainly before 11am. The snow could be heavy at times. Mostly cloudy, with a high near 29. Wind chill values between 6 and 14. Windy, with a west wind 33 to 43 mph decreasing to 23 to 33 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 4 to 8 inches possible.
Saturday Night
Snow. Temperature rising to around 33 by 5am. Wind chill values between 12 and 22. South wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Sunday
Rain and snow. Snow level 7000 feet lowering to 6300 feet in the afternoon . High near 36. Wind chill values between 19 and 28. South southwest wind 8 to 13 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Sunday Night
Rain, possibly mixed with snow. Low around 29. Southwest wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
Rain and snow, becoming all rain after 1pm. Snow level 7300 feet rising to 8400 feet in the afternoon. High near 37. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday Night
Rain. Low around 34. Chance of precipitation is 100%.
Tuesday
Rain and snow. Snow level 8200 feet lowering to 7000 feet in the afternoon . Cloudy, with a high near 36.
Tuesday Night
Rain and snow. Cloudy, with a low around 29.
Wednesday
Rain and snow. Cloudy, with a high near 31.
Wednesday Night
Snow. Cloudy, with a low around 24.
Thursday
Snow. Mostly cloudy, with a high near 29.
Thursday Night
Snow. Mostly cloudy, with a low around 21.
Friday
Snow likely. Mostly cloudy, with a high near 26.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
5 Miles NNE Chinook Pass WA
 46.93°N 121.46°W (Elev. 6322 ft)
Last Update:
8:40 pm PST Dec 1, 2023
Forecast Valid:
12am PST Dec 2, 2023-6pm PST Dec 7, 2023
 
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Additional Resources

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High Temperature

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Chance of Precipitation