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

42°F

6°C

Humidity 100%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility 1.24 mi
Last update 20 Mar 08:10 AM PDT
Extended Forecast for

Chinook Pass WA

  • Today

    Today: Rain. Temperature falling to around 37 by 5pm. Southwest wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F⇓

    Rain

  • Tonight

    Tonight: Rain likely before 11pm, then a chance of rain and snow showers between 11pm and 2am. Mostly cloudy, with a low around 26. Wind chill values between 16 and 21. West wind 11 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: A 40 percent chance of snow showers, mainly before 11am. Partly sunny, with a steady temperature around 28. Wind chill values between 14 and 19. West northwest wind 13 to 18 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 19. Wind chill values between 9 and 14. West wind 10 to 18 mph, with gusts as high as 24 mph.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow. Partly sunny, with a high near 35. West wind 10 to 14 mph. Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow before 8am, then rain and snow. Cloudy, with a high near 37.

    High: 37 °F

    Rain/Snow

Detailed Forecast

Today
Rain. Temperature falling to around 37 by 5pm. Southwest wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely before 11pm, then a chance of rain and snow showers between 11pm and 2am. Mostly cloudy, with a low around 26. Wind chill values between 16 and 21. West wind 11 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow showers, mainly before 11am. Partly sunny, with a steady temperature around 28. Wind chill values between 14 and 19. West northwest wind 13 to 18 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 19. Wind chill values between 9 and 14. West wind 10 to 18 mph, with gusts as high as 24 mph.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 35. West wind 10 to 14 mph. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly cloudy, with a high near 40.
Monday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 31.
Tuesday
Snow before 8am, then rain and snow. Cloudy, with a high near 37.
Tuesday Night
Rain and snow, becoming all snow after 11pm. Mostly cloudy, with a low around 24.
Wednesday
Snow. Cloudy, with a high near 29.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 18.
Thursday
A chance of snow. Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.51°W (Elev. 4823 ft)
Last Update:
1:53 am PDT Mar 20, 2026
Forecast Valid:
8am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation