The cold blast poses potential risks to agriculture and outdoor animals in a region unaccustomed to freezing temperatures.

More than a dozen counties were warned that conditions were ripe for the rapid spread of fires.

The fire now engulfs 3,600 acres and is only 20 percent contained. Red flag warnings remain in place.

Add Yahoo as a preferred source to see more of our stories on Google. Nearly all of Florida is facing an extreme cold watch or warning this weekend, a heighted alert used for the first time by many ...