Severe storm warnings issued for parts of DMV; isolated tornadoes possible

Fast-moving storm slams Montgomery County
A fast-moving storm swept through Montgomery County Thursday afternoon, causing serious damage with downed trees and power lines. FOX 5's Jen Delgado has more.
WASHINGTON - LIVE WEATHER ALERTS: Severe thunderstorm warnings issued for Prince William County, Fauquier County and Fairfax County
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The Washington, D.C., area faces an enhanced risk of severe weather on Thursday afternoon, with strong storms, including a possible isolated tornado threat, as a cold front pushes through the region.
A Flood Watch has been issued for areas along the Interstate 95 corridor through this evening.
Storms sweep through
Timeline:
The day began dry but humid, with patchy fog and morning temperatures in the 70s.
Showers may develop between noon and 2 p.m., followed by a higher chance of thunderstorms after 4 p.m.
A line of storms, potentially arriving between 5:30 and 6 p.m., could bring heavy downpours. The severe thunderstorms could also bring damaging 70 mph wind gusts, large hail, and isolated tornadoes through the afternoon and evening.
Conditions are expected to clear quickly into the evening, accompanied by a slight dip in humidity.
Heat builds ahead
Summer officially begins Friday, bringing dry weather and highs in the upper-80s.
The weekend will be sunny and hot, with temperatures climbing into the 90s. Heat and humidity are expected to build next week, bringing a potential heatwave to the area.
READ MORE: DC Heatwave: Will temperatures reach 100 degrees next week?
The Source: Information in this article comes from the FOX 5 Weather Team and the National Weather Service.