Most of the deaths have been attributed to hypothermia from exposure in the extreme cold temperatures.
According to the Tennessee Emergency Management Agency, there are about 32,000 power outages in Tennessee.
Gov. Bill Haslam elevated Tennessee on Saturday to a higher level state of emergency, meaning hard-hit areas may be eligible for state and federal assistance.
Forecasters say the heavy precipitation has gone, but most of the state will see low temperatures in the teens to mid-20s the rest of the week.