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.

South Florida may be far from the snow, but a winter storm that blanketed the Midwest and is now hitting the mid-Atlantic is affecting flights in and out of the Miami and Fort Lauderdale airports.

Thursday to Saturday will have another dangerous winter situation in the southern U.S. Here's a timeline on where and when you have to be at a certain location to avoid the danger.

Travelers at O'Hare are getting back on track after winter weather ruined a lot of plans yesterday heading into today.

A winter storm is hitting a vast stretch of the US, with some states closing entirely and asking residents to stay off the roads.