At least two people were reported to have died as heavy rains soaked the region. More thunderstorms were expected on Thursday.

The south-central U.S. is facing a "heightened" risk of flash flooding into Thursday following days of deadly storms across a region that's spanned from Texas to the Northeast, the National Weather Service warns.

OKLAHOMA CITY (AP) — A least two people drowned when their vehicles were caught in floodwaters in Oklahoma on Wednesday as slow-moving thunderstorms inundated roads across parts of that state and Texas, authorities said, while Pennsylvania residents picked up from a powerful storm that left three people dead.