New York Gov. Kathy Hochul shared a warning to New York residents in Tioga and Broome counties on Sunday evening as heavy rains and flooding threaten the region. "Tioga and Broome Counties are currently under a dangerous flash flood warning," Hochul wrote, adding that more storms are expected to come late Sunday night.

The rain comes after a sweltering weekend with high temperatures and high humidity making New York City and surrounding areas particularly unbearable