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

43°F

6°C

Humidity 52%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility 1.24 mi
Wind Chill40°F (4°C)
Last update 01 Mar 12:40 PM PST
Extended Forecast for

4 Miles S Chinook Pass WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 46. Light and variable wind.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 46. Calm wind becoming west around 5 mph in the afternoon.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of rain before 1am, then a chance of rain and snow.  Mostly cloudy, with a low around 34. West southwest wind 3 to 5 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 34 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow, mainly after 10am.  High near 39. Southwest wind around 7 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Snow, possibly mixed with rain.  Low around 34. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 34 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain, becoming all snow after 7am.  High near 35. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 35 °F

    Rain/Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow.  Mostly cloudy, with a low around 30.

    Low: 30 °F

    Snow

  • Thursday

    Thursday: Snow.  Cloudy, with a high near 34.

    High: 34 °F

    Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 46. Light and variable wind.
Tonight
Partly cloudy, with a low around 31. Calm wind.
Monday
Sunny, with a high near 46. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A slight chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 34. West southwest wind 3 to 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Rain and snow, mainly after 10am. High near 39. Southwest wind around 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Snow, possibly mixed with rain. Low around 34. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Wednesday
Snow, possibly mixed with rain, becoming all snow after 7am. High near 35. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow. Mostly cloudy, with a low around 30.
Thursday
Snow. Cloudy, with a high near 34.
Thursday Night
Snow. Mostly cloudy, with a low around 32.
Friday
Snow likely. Mostly cloudy, with a high near 36.
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 38.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Chinook Pass WA
 46.82°N 121.52°W (Elev. 4334 ft)
7:00 am PST Mar 1, 2026
12pm PST Mar 1, 2026-6pm PST Mar 7, 2026
 
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Additional Resources

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