As a freeze warning and cold weather advisory take effect in South Florida, several counties are opening shelters to provide relief from the cold.

The National Weather Service has issued a Red Flag warning for the Palm Beaches and Treasure Coast, effective Monday from 9 a.m. to 7 p.m., due to expected strong winds and low humidity.

The National Weather Service has issued a cold weather advisory and freeze watch for parts of the Treasure Coast and Okeechobee County, with temperatures expected to drop significantly overnight.