The storm system worked its way through the northern Rockies and central Plains during the first half of the weekend, hours ...

authorities issued the first-ever tornado warning. Elsewhere, inclement weather plagued areas of the U.S., with dangerous conditions including heavy snow in upstate New York, a major ice storm in ...

a major ice storm in Midwest states, severe weather warnings around Lake Tahoe and unsual tornado activity in Central California. The ice storm beginning Friday evening created treacherous driving ...

authorities issued the first-ever tornado warning. Elsewhere, inclement weather plagued areas of the U.S., with dangerous conditions including heavy snow in upstate New York, a major ice storm in ...