That could mean people should watch for cold-stunned iguanas. Florida Fish and Wildlife Conservation Commission officials said iguanas can become immobilized or sluggish when temperatures hit between 40 and 50 degrees. Longer cold snaps with overcast skies that prevent basking for warmth can be deadly to the cold-blooded invasive species.

Friday morning we'll wake up to the low 50s and highs will be a bit milder in the low to mid 70s with a southeast breeze. On Saturday lows will be closer to normal in the mid-60s with highs in the upper 70s.

Animals in South Florida bracing for the coldest temperatures in two years. Zoo Miami's Ron Magill says they're doing all they can to keep their furry friends warm. Afternoon highs will be in the 60's with overnight lows in the upper 40s and low 50s.

A strong cold front is approaching South Florida. Here's when it will get here and what temperatures you can expect.