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

67°F

19°C

Humidity 53%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 04 Oct 11:37 AM PDT
Extended Forecast for

Grand Coulee WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Sunny

  • Tonight

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

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.

    High: 77 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Light and variable wind.

    Low: 48 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 76. Light and variable wind.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. Light and variable wind.
Tonight
Mostly clear, with a low around 51. Light south wind.
Monday
Increasing clouds, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Light and variable wind.
Tuesday
Sunny, with a high near 76. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.93°N 118.99°W (Elev. 2037 ft)
Last Update:
11:31 am PDT Oct 4, 2026
Forecast Valid:
12pm PDT Oct 4, 2026-6pm PDT Oct 10, 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