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

Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Current conditions at

White Pass (TWHIT)

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

unknown precip

61°F

16°C

Humidity 41%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility 1.24 mi
Last update 31 Jul 09:00 AM PDT
Extended Forecast for

5 Miles N Chinook Pass WA

  • Today

    Today: Sunny, with a high near 70. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. West northwest wind 7 to 9 mph becoming southwest after midnight.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain after 11am. Mostly sunny, with a high near 54. West wind 9 to 15 mph, with gusts as high as 20 mph.

    High: 54 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. West wind 14 to 17 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. West wind 10 to 13 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 70. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tonight
Mostly clear, with a low around 48. West northwest wind 7 to 9 mph becoming southwest after midnight.
Saturday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 54. West wind 9 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 39. West wind 14 to 17 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 50. West wind 10 to 13 mph.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Chinook Pass WA
 46.95°N 121.49°W (Elev. 6358 ft)
Last Update:
1:43 am PDT Jul 31, 2026
Forecast Valid:
9am PDT Jul 31, 2026-6pm PDT Aug 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation