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

Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Hazardous Weather Conditions

Current conditions at

White Pass (TWHIT)

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

Rain

35°F

2°C

Humidity 80%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility 1.24 mi
Last update 22 Feb 12:17 PM PST
Extended Forecast for

8 Miles SSW Chinook Pass WA

Winter Weather Advisory February 22, 08:00pm until February 23, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Rain and snow, mainly before 2pm. High near 41. South wind around 5 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow. Steady temperature around 38. South southwest wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 38 °F

    Rain/Snow

  • Monday

    Monday: Rain and snow. High near 40. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Monday Night

    Monday Night: Rain, possibly mixed with snow. Low around 34. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 10am. High near 40. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow. Low around 29. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow likely before 1pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 38. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow before 10am, then rain likely, possibly mixed with snow between 10am and 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 39.

    High: 39 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Rain and snow, mainly before 2pm. High near 41. South wind around 5 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain and snow. Steady temperature around 38. South southwest wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday
Rain and snow. High near 40. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday Night
Rain, possibly mixed with snow. Low around 34. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 10am. High near 40. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain, possibly mixed with snow. Low around 29. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
Snow likely before 1pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 38. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 27.
Thursday
A chance of snow before 10am, then rain likely, possibly mixed with snow between 10am and 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 39.
Thursday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 28.
Friday
Rain and snow likely. Mostly cloudy, with a high near 37.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 24.
Saturday
A chance of rain and snow. Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Chinook Pass WA
 46.75°N 121.56°W (Elev. 2313 ft)
Last Update:
7:01 am PST Feb 22, 2026
Forecast Valid:
12pm PST Feb 22, 2026-6pm PST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation