 Maryland 543 to Maryland 24. Through that work zone, the right lane is closed. Delays begin from the Travel Plaza. WBAL-TV11 weather. Excessive heat warning today. Chance of a few thunderstorms developing late afternoon and evening. High around 100. It will feel as hot as 112 tonight. Cloudy conditions. Muggy. Low of 78. Another extremely hot day tomorrow. Scattered showers and thunderstorms as well. Humid. High of 101. Currently it's partly sunny and 92 degrees here on TV Hill.