Overview

• Heat advisory for all five boroughs expired late Friday after heat index values topped 100°F.
• Evening thunderstorms during the Friday commute dropped temperatures into the low 80s and eased humidity by Saturday morning.
• Forecasters predict Sunday showers and potential heavy rain, gusty winds and lightning across the city.
• High humidity and heat index values back into the 90s are expected early next week.
• City officials say cooling centers remain open and public pool and spray shower hours have been extended to aid residents.