National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

8 Miles SSW Chinook Pass WA

  • Tonight

    Tonight: Mostly clear, with a low around 26. Southwest wind around 6 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50. Calm wind.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of rain after 11pm. Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. High near 47. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain before 11pm, then rain and snow likely. Low around 33. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain and snow, becoming all rain after 2pm. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Southwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 50. Calm wind.
Sunday Night
Mostly cloudy, with a low around 32. Calm wind.
Monday
Partly sunny, with a high near 53. Calm wind.
Monday Night
A 50 percent chance of rain after 11pm. Mostly cloudy, with a low around 38. Calm wind.
Tuesday
Rain. High near 47. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain before 11pm, then rain and snow likely. Low around 33. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow, becoming all rain after 2pm. Mostly cloudy, with a high near 43.
Wednesday Night
Rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 27.
Thursday
A chance of snow before 2pm, then a chance of rain. Partly sunny, with a high near 44.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 32.
Saturday
A slight chance of rain. Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Chinook Pass WA
 46.75°N 121.56°W (Elev. 2313 ft)
Last Update:
2:01 pm PDT Mar 21, 2026
Forecast Valid:
4pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation