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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

SPRING CANYON (SPCW1)

Lat: 47.93472°NLon: 118.93472°WElev: 1340.0ft.

NA

54°F

12°C

Humidity 74%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 03 Oct 08:37 AM PDT
Extended Forecast for

Grand Coulee WA

  • Today

    Today: Mostly cloudy early, then becoming sunny, with a high near 80. East wind 3 to 5 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Light and variable wind.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Monday Night

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

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy early, then becoming sunny, with a high near 80. East wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 51. Light and variable wind.
Sunday
Sunny, with a high near 82. Light and variable wind.
Sunday Night
Mostly clear, with a low around 53. Calm wind.
Monday
Mostly sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.95°N 118.99°W (Elev. 1627 ft)
Last Update:
3:37 am PDT Oct 3, 2026
Forecast Valid:
9am PDT Oct 3, 2026-6pm PDT Oct 9, 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