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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

White Pass (TWHIT)

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

unknown precip

69°F

21°C

Humidity 35%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility 1.24 mi
Last update 19 Sep 01:15 PM PDT
Extended Forecast for

5 Miles NNE Chinook Pass WA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 65. West southwest wind 3 to 6 mph.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Calm wind becoming southeast 5 to 8 mph in the evening.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. South southeast wind around 5 mph becoming calm.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. Light and variable wind becoming south 5 to 8 mph after midnight.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 65. West southwest wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 47. Calm wind becoming southeast 5 to 8 mph in the evening.
Sunday
Sunny, with a high near 69. South southeast wind around 5 mph becoming calm.
Sunday Night
Mostly clear, with a low around 48. Light and variable wind becoming south 5 to 8 mph after midnight.
Monday
Mostly sunny, with a high near 65. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Partly sunny, with a high near 50.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Friday
A slight chance of rain. Mostly cloudy, with a high near 46.
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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:
12:55 pm PDT Sep 19, 2026
Forecast Valid:
1pm PDT Sep 19, 2026-6pm PDT Sep 25, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation