7-Day Forecast 47.93°N 118.99°W (Text-Only)
NWS Forecast for: Grand Coulee WA
Issued by: National Weather Service Spokane, WA
Last Update: 3:38 pm PDT Jul 13, 2025




Tonight: Mostly clear, with a low around 71. Breezy, with a northwest wind 10 to 18 mph, with gusts as high as 30 mph.

Monday: Sunny, with a high near 94. Breezy, with a northwest wind 10 to 18 mph, with gusts as high as 28 mph.

Monday Night: A 20 percent chance of showers after 11pm. Patchy blowing dust before 11pm. Partly cloudy, with a low around 65. Windy, with a north wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 45 mph.

Tuesday: Mostly sunny, with a high near 82. Northeast wind 15 to 17 mph, with gusts as high as 28 mph.

Tuesday Night: Mostly clear, with a low around 60. Northeast wind 8 to 15 mph, with gusts as high as 24 mph.

Wednesday: Sunny, with a high near 89.

Wednesday Night: Mostly clear, with a low around 65.

Thursday: Sunny, with a high near 93.

Thursday Night: Mostly clear, with a low around 67.

Friday: Sunny, with a high near 95.

Friday Night: Mostly clear, with a low around 68.

Saturday: Sunny, with a high near 94.

Saturday Night: Mostly clear, with a low around 65.

Sunday: Sunny, with a high near 90.



Grand Coulee WA
 47.93°N 118.99°W (Elev. 2037 ft)

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