Texas and Oklahoma are bracing for ice and heavy snow in what forecasters predict will be some of the initial major effects of a huge winter storm

A massive winter storm is barreling toward the eastern U.S., threatening to bring severe ice and snow from Texas to Boston.

“Snow amounts could reach a foot or more in the I-95 major cities from D.C. to Boston,” said weather service forecasters on the East Coast, who are increasingly confident the storm will strike the big...