The latest storm in a series will ride northeastward from Texas later Tuesday and Tuesday night with clouds in the north and west, drenching rain south and east and snow and a wintry mix in the middle.
Rain will soak areas from part of middle and eastern Tennessee to much of eastern Kentucky, the western Virginia Panhandle and much of West Virginia into Tuesday night.
Enough rain can fall on already saturated ground in some areas to cause flash, urban and small stream flooding.
Farther north and west, a wintry mix to snow will fall from western Tennessee and the Boot Heel of Missouri to along the Ohio River to southern Ohio, northern West Virginia and southwestern Ohio.
The swath of snow and ice will continue to spread northeastward Tuesday evening and overnight into more of the Ohio Valley.
Cities that could be on the receiving end of a light snowfall or a slippery mixture of snow, ice and rain include Paducah, Ky.; Evansville, Ind.; Louisville, Ky.; Cincinnati, Ohio; Morgantown, W.Va.; and Pittsburgh, Pa.
Icy conditions are a concern from Shreveport and Monroe, La., to Pine Bluff and Little Rock, Ark.; Greenville, Miss.; Memphis, Tenn.; and Hopkinsville, Ky. It is within this swath where motorists and pedestrians will need to exercise caution due to icy travel.
Snow fell on Dallas, Texas, during the early-morning hours Tuesday. Some areas had thunder and lightning with the snow. The storm is heading northeastward and will graze the Ohio Valley. (Photo by Twitter user cheatuotx)
Enough ice can accumulate to weigh down trees and power lines, perhaps causing sporadic outages. Low-hanging or fallen tree limbs could block travel, especially along secondary roads and in neighborhoods of towns and cities.
Late Tuesday night into Wednesday midday, snow will fall over part of the mid-Atlantic and New England.
A storm will bring snow and ice that will lead to slippery travel along a 1,500-mile swath from northern Arkansas and Georgia to Maine early next week.
Spring of 2016 could rank in the top 10 warmest on record for Canada.
The coldest air of the winter will plunge southward across much of the eastern United States and will feature single-digit and sub-zero temperatures in the Northeast during Valentine's Day weekend.
A blast of arctic air will be accompanied by flurries and even a localized wall of snow in some communities in the Northeast and parts of the Midwest at the start of the Valentine's Day weekend.
The next windstorm to target Europe will narrowly miss the United Kingdom on Saturday before a cold snap settles in for Valentine’s Day and Monday.
Passengers on the latest voyage of Royal Caribbean's Anthem of the Seas faced the complete opposite of a care-free, relaxing experience after an encounter with a ferocious storm in the Atlantic.
Ifrane, Morocco (1935)
-11 degrees - coldest ever in Africa.
Lake Placid, NY (1980)
Finally some snow. Just in time for the opening ceremonies at the Olympic town.
Des Moines, IL (1990)
70 degrees, earliest ever at 70 of higher.