Add Yahoo as a preferred source to see more of our stories on Google. A powerful cold blast is set to send iguanas tumbling from trees in South Florida while driving hard freezes deep into the orange groves and bringing a rare chance of Gulf Coast snow, forcing millions across the Sunshine State to bundle up.

Portions of Florida are bracing for unusually frigid temperatures as an extreme cold watch goes into effect over the weekend, the National Weather Service (NWS) says.