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Colder air has reached the Southeast, and it will get worse before it gets anybetter. High temperatures Saturday will range from the 20s in Tennessee to the40s in Florida, and the wind will make it feel 10 to 15 degrees colder.Saturday night will be the real chiller as temperatures plunge into the teensfrom the Tennessee Valley to the Gulf Coast.

Through central and southern Florida, Sunday night will be the coldest with afreeze expected in the orange grove region. Detailed information on this can befound in "Florida Freeze Specifics."Story By AccuWeather.com Senior Meteorologist John Kocet.