New York is cleaning up and trying to dry out after Monday night's torrential rains caused flash flooding and damage.

On average, the city sees two heat waves per summer, lasting around four days each. The longest heat wave ever recorded in the city lasted 12 days in 1953 from Aug. 24 to Sept. 4.

It’s going to be hot and sticky in New York City this week as temperatures are expected to soar into the 90s or even higher in the first heat wave of the year. Many locations in the metro area ...