Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

White Pass (TWHIT)

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

NA

27°F

-3°C

Humidity 99%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility 1.24 mi
Last update 02 Mar 03:10 AM PST
Extended Forecast for

3 Miles SSW Chinook Pass WA

  • Overnight

    Overnight: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after 4am.  Increasing clouds, with a low around 33. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 33 °F

    Partly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain and snow, mainly after 10am.  High near 42. South southwest wind around 7 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow before 1am, then rain between 1am and 4am, then rain, possibly mixed with snow after 4am.  Low around 35. Southwest wind around 6 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all snow after 1pm.  High near 40. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 31. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 31 °F

    Snow then
    Snow Likely

  • Thursday

    Thursday: Snow.  Mostly cloudy, with a high near 37.

    High: 37 °F

    Snow

  • Thursday Night

    Thursday Night: Snow, mainly before 10pm.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 32. Calm wind.
Monday
Sunny, with a high near 48. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
A 30 percent chance of rain after 4am. Increasing clouds, with a low around 33. Calm wind becoming south southwest around 5 mph after midnight.
Tuesday
Rain and snow, mainly after 10am. High near 42. South southwest wind around 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow before 1am, then rain between 1am and 4am, then rain, possibly mixed with snow after 4am. Low around 35. Southwest wind around 6 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain and snow, becoming all snow after 1pm. High near 40. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 31. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow. Mostly cloudy, with a high near 37.
Thursday Night
Snow, mainly before 10pm. Mostly cloudy, with a low around 33.
Friday
Snow likely before 10am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 41.
Friday Night
Rain likely. Mostly cloudy, with a low around 37.
Saturday
Rain likely. Mostly cloudy, with a high near 44.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 33.
Sunday
Snow likely. Mostly cloudy, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Chinook Pass WA
 46.84°N 121.52°W (Elev. 4052 ft)
1:25 am PST Mar 2, 2026
3am PST Mar 2, 2026-6pm PDT Mar 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database