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

31°F

-1°C

Humidity 92%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility 1.24 mi
Last update 01 Mar 07:25 PM PST
Extended Forecast for

Chinook Pass WA

  • Tonight

    Tonight: Partly cloudy, with a low around 27. North northeast wind around 5 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 41. Wind chill values between 22 and 32. North northwest wind 6 to 8 mph becoming west southwest in the afternoon.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of rain before 1am, then a chance of rain and snow.  Increasing clouds, with a low around 30. Southwest wind 6 to 8 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Snow before 1pm, then rain and snow.  High near 34. Wind chill values between 24 and 29. Southwest wind around 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Snow, possibly mixed with rain, becoming all snow after 10pm.  Low around 30. Southwest wind around 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 30 °F

    Rain/Snow
    then Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  High near 31. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 31 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 26. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow

  • Thursday

    Thursday: Snow.  Cloudy, with a high near 29.

    High: 29 °F

    Snow

  • Thursday Night

    Thursday Night: Snow, mainly before 10pm.  Mostly cloudy, with a low around 27.

    Low: 27 °F

    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. North northeast wind around 5 mph.
Monday
Sunny, with a high near 41. Wind chill values between 22 and 32. North northwest wind 6 to 8 mph becoming west southwest in the afternoon.
Monday Night
A slight chance of rain before 1am, then a chance of rain and snow. Increasing clouds, with a low around 30. Southwest wind 6 to 8 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
Snow before 1pm, then rain and snow. High near 34. Wind chill values between 24 and 29. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 30. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 31. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Wednesday Night
Snow. Low around 26. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. Cloudy, with a high near 29.
Thursday Night
Snow, mainly before 10pm. Mostly cloudy, with a low around 27.
Friday
Snow likely. Mostly cloudy, with a high near 33.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 32.
Saturday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 35.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 31.
Sunday
Snow likely. Mostly cloudy, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.51°W (Elev. 4823 ft)
7:01 pm PST Mar 1, 2026
7pm PST Mar 1, 2026-6pm PDT Mar 8, 2026
 
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