Dallas, Jacksonville, Fla., and Little Rock, Ark., fell nearly 20 degrees below their average temperatures for this time of year on Monday, he said.
The cold snap is one of the nation's most widespread since January 1985, according to meteorologists at Accuweather.com.
While the cold is expected to ease slightly starting Thursday, this winter is on track to be one of the coldest in the past decade or two, said Ken Reeves, director of forecasting operations.
