Washington, D.C. weather forecast: Scattered thunderstorms end heat wave

Overnight:Isolated Showers & Thunderstorms Lows: 70°-78° Wind: West 5-10 mph Sunday:PM Showers and Storms Highs: near 90° Wind: West 5-10 mph Monday:Thunderstorms Likely Highs: 85°-90° Wind: Northeast 5-10 mph

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Showers and thunderstorms will pepper radar during the overnight hours. Some storms will have the potential to bring bursts of heavy rain, gusty winds and frequent lightning. Temperatures will fall into the 70s overnight marking an end to the heat wave.

The frontal system will stall a bit on Sunday keeping showers and storms in the forecast. Daytime highs will be in the upper 80s to lower 90s. Slightly cooler temperatures arrive for the start of the work week with highs generally in the upper 80s.

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