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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

White Pass (TWHIT)

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

unknown precip

61°F

16°C

Humidity 80%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility 1.24 mi
Last update 22 Aug 10:45 AM PDT
Extended Forecast for

Chinook Pass WA

Red Flag Warning until August 22, 05:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until August 22, 05:00pm

    NOW until 5:00pm Sat

    Red Flag Warning

  • Today

    High: 61 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 2am, then a slight chance of rain between 2am and 4am. Mostly cloudy, with a low around 44. West wind around 9 mph becoming south southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 57. South southwest wind 6 to 8 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 57 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. North wind 3 to 6 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72. East wind 3 to 6 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 61. South southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers before 2am, then a slight chance of rain between 2am and 4am. Mostly cloudy, with a low around 44. West wind around 9 mph becoming south southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 57. South southwest wind 6 to 8 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 46. North wind 3 to 6 mph.
Monday
Sunny, with a high near 72. East wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.54°W (Elev. 4580 ft)
Last Update:
9:10 am PDT Aug 22, 2026
Forecast Valid:
11am PDT Aug 22, 2026-6pm PDT Aug 28, 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