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 97%
Wind Speed W 4 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility 1.24 mi
Wind Chill40°F (4°C)
Last update 20 Mar 11:55 AM PDT
Extended Forecast for

Chinook Pass WA

  • This Afternoon

    This Afternoon: Rain. Temperature falling to around 43 by 5pm. Southwest wind around 11 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F⇓

    Rain

  • Tonight

    Tonight: A chance of rain and snow before 4am, then a slight chance of snow between 4am and 5am. Mostly cloudy, with a low around 28. South southwest wind 8 to 10 mph becoming west northwest after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of snow between 8am and 9am. Mostly sunny, with a high near 38. Wind chill values between 22 and 30. West wind 6 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. West wind 5 to 9 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow. Mostly sunny, with a high near 43. West wind 3 to 7 mph. Winds could gust as high as 20 mph.

    High: 43 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow after 11pm, mixing with rain after 2am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 11am. Cloudy, with a high near 43.

    High: 43 °F

    Rain/Snow
    then Rain

Detailed Forecast

This Afternoon
Rain. Temperature falling to around 43 by 5pm. Southwest wind around 11 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A chance of rain and snow before 4am, then a slight chance of snow between 4am and 5am. Mostly cloudy, with a low around 28. South southwest wind 8 to 10 mph becoming west northwest after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
A slight chance of snow between 8am and 9am. Mostly sunny, with a high near 38. Wind chill values between 22 and 30. West wind 6 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 22. West wind 5 to 9 mph, with gusts as high as 26 mph.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 43. West wind 3 to 7 mph. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly cloudy, with a high near 48.
Monday Night
A chance of snow after 11pm, mixing with rain after 2am. Mostly cloudy, with a low around 34.
Tuesday
Rain and snow, becoming all rain after 11am. Cloudy, with a high near 43.
Tuesday Night
Rain before 8pm, then rain, possibly mixed with snow. Mostly cloudy, with a low around 31.
Wednesday
Rain and snow. Cloudy, with a high near 37.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22.
Thursday
A chance of snow. Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.86°N 121.53°W (Elev. 3973 ft)
Last Update:
11:27 am PDT Mar 20, 2026
Forecast Valid:
12pm 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