Another Round Of Strong Storms Forecast For NoVA: See Timing, Impacts

The threat of storms looms over Northern Virginia yet again on Wednesday and could bring torrential rain that triggers flash floods, the National Weather Service said.

A flood watch was issued shortly after noon Thursday and remains in effect until midnight for the following counties: Prince William, Loudoun, Fairfax, Greene, Madison, Nelson, Fauquier, Rappahannock, Albemarle and Culpeper. The cities of Arlington, Falls Church, Alexandria, Manassas and Manassas Park are also included in the watch.

According to NWS forecasters, showers and thunderstorms capable of producing damaging wind gusts and torrential downpours are expected across much of the area Wednesday into the evening hours. Storms are most likely after 5 p.m.

The storms will be capable of producing 1 to 3 inches of rain per hour, forecasters said. Widespread rainfall totals near an inch are expected, though some areas could see 2-4 inches.

Isolated instances of flash flooding will be possible as storms move through the state, forecasters said.

Outside of the storms, Wednesday will be another hot and humid day, with highs in the upper 80s to lower 90s, and high humidity as the dew point holds in the 70s. Storms should gradually wind down through the evening hours, NWS forecasters said, giving way to dry conditions during the second half of the night.

Looking ahead, a few fast-moving storms are possible on Thursday, with strong winds and heavy rain likely late in the afternoon into the evening, according to the Capital Weather Gang. A chance for an early-morning shower or thunderstorm will send temperatures soaring to highs in the low to mid-90s.

Here's a look at the detailed NWS forecast for Northern Virginia through this weekend:

Wednesday: A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 90. South wind 8 to 10 mph. Chance of precipitation is 40%.

Wednesday Night: Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 77. South wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 102. Southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.

Friday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Northwest wind around 8 mph. Chance of precipitation is 40%.

Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.

Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.

Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.

Sunday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.

Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

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