WHAT'S NEW: Hot and humid weather to end the week. Possible heat wave Wednesday to Friday, highs in the upper-80s and low-90s. Feels-like temperatures 92 to 102.

WHAT'S NEXT: Warm tropical air mass continues to sit over Long Island. Clearing skies this afternoon and temperatures are on the rise.

TODAY: Mostly cloudy with spotty showers and a chance of thunderstorms this morning. Patchy fog before 9 a.m. Sun and clouds this afternoon with a pop-up shower or thunderstorm possible. Hot and humid. Highs near 85 with feels like temperatures 87 to 94. South wind 5 to 15 mph. Good beach and pool weather this afternoon.

TONIGHT: Patchy fog after 11 p.m. Otherwise, partly cloudy, with a low around 72. South wind 5 to 10mph.

Possible heat wave for parts of Long Island Wednesday to Friday. Heat Advisory likely. Best chance for heat wave will be northern Nassau County.

Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88. Heat index values 95 to 100. South wind 5 to 10 mph

Wednesday night: Some scattered showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 5 to 10 mph.

Thursday: A chance of showers, with thunderstorms after 2 p.m. Partly sunny, with a high near 90. Heat index 95 to 102.

Thursday night: A chance of thunderstorms. Partly cloudy, with a low around 77.

Friday: Spotty showers and thunderstorms after 2 p.m. Mostly sunny, with a high near 90. Hot and humid. Heat index 90 to 102.