 The National Weather Service has issued a heat advisory in effect until 8 o'clock tonight. Partly sunny skies today. High today, 94. Winds out the south, 10 to 14 miles per hour. Cloudy skies this evening with a chance of showers and thunderstorms overnight. Overnight, low 78. Cloudy skies Thursday. Showers and possible thunderstorms tomorrow with a high of 90. In Elizabeth City, North Carolina, 86. In Gloucester, 88. In Virginia Beach, it's 84.