Watch: Meteorologist Faces Hurricane Irma’s Dangerous Winds in Florida

Water flows out of the Miami River to flood a walkway as Hurricane Irma passes through on September 10, 2017 in Miami, Florida. Joe Raedle/Getty Images

As Hurricane Irma hits the Florida Keys Sunday, authorities are again urging all residents who are still in the area to stay indoors at all costs.

The National Hurricane Center said on Sunday afternoon that Hurricane Irma weakened to a Category 2 hurricane.