NEW: Fairfax County under Severe Thunderstorm Watch

Fairfax County is under a Severe Thunderstorm Watch (via National Weather Service)

The National Weather Service has issued a Severe Thunderstorm Watch in Fairfax County.

The watch went into effect at 3:07 p.m. and is expected to last until 7 p.m. this evening (Friday). The forecast says heavy rain and scattered storms are possible tonight.

Going into the holiday weekend, there’s also a possibility of thunderstorms tomorrow, and a chance of rain showers on Sunday. But it’s looking like the sun will pull through for a mostly sunny Fourth of July.

High temperatures through the weekend are expected to reach 90 degrees, and the lows are around 70 degrees.