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Coulee Dam, WA 99116

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Weekend Forecast

Coulee Dam, WA 99116

Tonight

8/22/2014

Now

Through 7 PM...scattered showers with isolated embedded thunderstorms will track south to southwest at 15 mph over the Columbia Basin and Waterville plateau...as well as the Manson area. Expect occasional cloud to ground lightning...brief heavy rain...and possible small hail with the strongest cells.

Lo: 53°

Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening. Some thunderstorms may produce heavy rainfall in the evening. Lows in the 50s. Northeast wind 5 to 15 mph. Chance of precipitation 50 percent. Rainfall amounts less than a tenth of an inch...except higher amounts possible in thunderstorms.

Saturday

8/23/2014

Hi: 71°

Partly cloudy. Highs in the upper 70s to lower 80s. Northeast wind 5 to 15 mph.

Lo: 50°

Partly cloudy. Lows in the 50s. Northeast wind 5 to 10 mph.

Sunday

8/24/2014

Hi: 72°

Mostly cloudy. A chance of rain showers in the morning...then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s to mid 80s. Northeast wind 5 to 10 mph. Chance of precipitation 40 percent.

Lo: 54°

Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the 50s. North wind 5 to 10 mph. Chance of precipitation 40 percent.

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