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

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

White Pass (TWHIT)

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

unknown precip

69°F

21°C

Humidity 49%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility 1.24 mi
Last update 18 Aug 12:30 PM PDT
Extended Forecast for

5 Miles NNE Chinook Pass WA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 66. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Northwest wind 6 to 9 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Northwest wind 5 to 8 mph.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Northwest wind 5 to 8 mph becoming southwest after midnight.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of rain after 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of rain. Mostly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 66. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 47. Northwest wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 68. Northwest wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 49. Northwest wind 5 to 8 mph becoming southwest after midnight.
Thursday
Sunny, with a high near 74. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 71.
Friday Night
A slight chance of showers and thunderstorms, then a chance of rain after 11pm. Mostly cloudy, with a low around 48.
Saturday
A slight chance of rain. Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 45.
Monday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Chinook Pass WA
 46.93°N 121.49°W (Elev. 5233 ft)
Last Update:
11:26 am PDT Aug 18, 2026
Forecast Valid:
12pm PDT Aug 18, 2026-6pm PDT Aug 24, 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