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

29°F

-2°C

Humidity 76%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility 1.24 mi
Last update 21 Mar 10:10 PM PDT
Extended Forecast for

Chinook Pass WA

  • Tonight

    Tonight: Mostly clear, with a low around 18. Wind chill values between 8 and 13. West wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 18 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 37. Wind chill values between 9 and 19. West southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. Wind chill values between 19 and 24. West southwest wind 6 to 9 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41. Wind chill values between 19 and 29. West wind 5 to 8 mph.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of snow after 11pm.  Cloudy, with a low around 30. Southwest wind 6 to 8 mph.  New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow before 8am, then rain, possibly mixed with snow.  High near 35. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 2am.  Low around 24. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow.  Mostly cloudy, with a high near 31.

    High: 31 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Mostly cloudy, with a low around 18.

    Low: 18 °F

    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 18. Wind chill values between 8 and 13. West wind 8 to 10 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 37. Wind chill values between 9 and 19. West southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 26. Wind chill values between 19 and 24. West southwest wind 6 to 9 mph.
Monday
Partly sunny, with a high near 41. Wind chill values between 19 and 29. West wind 5 to 8 mph.
Monday Night
A 50 percent chance of snow after 11pm. Cloudy, with a low around 30. Southwest wind 6 to 8 mph. New snow accumulation of less than a half inch possible.
Tuesday
Snow before 8am, then rain, possibly mixed with snow. High near 35. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Rain and snow, becoming all snow after 2am. Low around 24. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow. Mostly cloudy, with a high near 31.
Wednesday Night
Snow, mainly before 11pm. Mostly cloudy, with a low around 18.
Thursday
A chance of snow. Partly sunny, with a high near 31.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 25.
Saturday
A slight chance of snow. Sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.51°W (Elev. 4823 ft)
2:01 pm PDT Mar 21, 2026
10pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database