Hot, humid day to start to July; Severe thunderstorm watch issued for DC area

A hot and humid start to July with the threat of thunderstorms across the D.C., Maryland and Virginia regions.

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FOX 5's Jennifer Delgado says expect a humid day in the lower-90s Friday. Today's heat index – a gauge of how hot it feels outside based on the temperature and humidity – will make it feel like it's closer to 100 degrees.

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Delgado says expect thunderstorms to pop up in the afternoon. A severe thunderstorm watch was issued by the National Weather Service for almost the entire D.C. region until 7 p.m. Friday.

An increased threat for thunderstorms moves in Saturday with some of those storms becoming strong and bringing heavy rain and localized flooding.

The Fourth of July holiday should stay nice with a slight chance for rain.

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