Kansas City International Airport, for example, has an 85% chance of snowfall exceeding .1 of an inch, according to data from the weather service. The probability of higher snowfall totals drops rapidly, with only a 50% chance of snowfall exceeding 1 inch. The chance of 2 inches or more of snow is less than 10%.

The National Weather Service has issued a Winter Storm Warning starting at noon Saturday and lasting through 3 a.m. Monday. A rare Blizzard Warning has also been issued for many c

Another massive winter storm is forecast to pummel the southern and eastern U.S., with impacts from Texas to the Carolinas.