 But there's a slight chance for a thunderstorm this evening. Otherwise, partly cloudy, muggy with lows in the low and mid 70s. And tomorrow, partly sunny, hot and humid with highs in the low and mid 90s. The heat index near 100. And it should be about 10 degrees cooler on the south fork of Long Island. And some showers and storms could pop up again late in the day tomorrow and tomorrow evening. And more heat and humidity and scattered storms on Wednesday.