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 >

Hazardous Weather Conditions

Current conditions at

White Pass (TWHIT)

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

Rain

36°F

2°C

Humidity 57%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility 1.24 mi
Last update 21 Mar 11:55 AM PDT
Extended Forecast for

8 Miles SSW Chinook Pass WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 43. South southwest wind 3 to 5 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. Light and variable wind.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Partly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 47. Chance of precipitation is 100%.

    High: 47 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain before 11pm, then rain and snow likely. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all rain after 2pm. Cloudy, with a high near 42.

    High: 42 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 43. South southwest wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 26. Light and variable wind.
Sunday
Mostly sunny, with a high near 49. Calm wind.
Sunday Night
Mostly cloudy, with a low around 31. Calm wind.
Monday
Partly sunny, with a high near 52. Calm wind.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 47. Chance of precipitation is 100%.
Tuesday Night
Rain before 11pm, then rain and snow likely. Mostly cloudy, with a low around 32.
Wednesday
Rain and snow, becoming all rain after 2pm. Cloudy, with a high near 42.
Wednesday Night
Rain and snow likely before 2am, then a chance of snow. Mostly cloudy, with a low around 28.
Thursday
A chance of rain and snow. Partly sunny, with a high near 43.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 26.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 47.
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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:
11:25 am PDT Mar 21, 2026
Forecast Valid:
12pm PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation