Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

White Pass (TWHIT)

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

NA

38°F

3°C

Humidity 43%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility 1.24 mi
Wind Chill34°F (1°C)
Last update 21 Mar 03:41 PM PDT
Extended Forecast for

Chinook Pass WA

  • Tonight

    Tonight: Partly cloudy, with a low around 22. West southwest wind 5 to 11 mph, with gusts as high as 29 mph.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 44. Wind chill values between 17 and 27. South southwest wind 3 to 6 mph.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. Southwest wind 3 to 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

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

    High: 48 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow, possibly mixed with rain, mainly after 5am.  Low around 34. West wind around 5 mph becoming light and variable.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 11am.  High near 42. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain and snow.  Low around 28. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow.  Mostly cloudy, with a high near 39.

    High: 39 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Mostly cloudy, with a low around 23.

    Low: 23 °F

    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 22. West southwest wind 5 to 11 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 44. Wind chill values between 17 and 27. South southwest wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 28. Southwest wind 3 to 6 mph.
Monday
Partly sunny, with a high near 48. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Snow, possibly mixed with rain, mainly after 5am. Low around 34. West wind around 5 mph becoming light and variable. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 11am. High near 42. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow. Low around 28. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday
Snow. Mostly cloudy, with a high near 39.
Wednesday Night
Snow, mainly before 11pm. Mostly cloudy, with a low around 23.
Thursday
A chance of snow. Partly sunny, with a high near 39.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 24.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 29.
Saturday
A slight chance of rain. Sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.86°N 121.53°W (Elev. 3973 ft)
2:01 pm PDT Mar 21, 2026
3pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026
 
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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