NEW: A few pop-up storms possible tomorrow because of the very high humidity and heat.

NEXT: Hottest weather arrives during the weekend. Highs in the mid-to-upper 90s, feeling like 100+.

News 12 Storm Watch Team Meteorologist Darryl Green says a heat wave is expected this week in New York City. 

Tonight: Mostly clear, warm and humid. Heat index near 80.

Thursday: Hot and humid, scattered showers and possible thunderstorms that may be strong to severe. Highs from the upper-80s to the mid-90s. Heat index from the mid- to upper-90s.

Thursday Night: Chance of evening showers and storms, lows around the mid-70s. Heat index near 80.

Friday: Mostly sunny, hot and humid, a chance of an isolated shower and or thunderstorm. Highs from the low to mid-90s.

Saturday: Mostly sunny, hot and humid. Highs from the low- to mid-90s.

Sunday: Partly sunny, hot and humid. A slight chance of showers and storms. Highs from the low- to mid-90s.

Sunday Night: A chance of evening showers and storms, lows from the mid- to upper-70s.

Monday: Partly sunny, hot and humid. Highs from the mid-80s to the low-90s.