A heat dome traps extreme heat in one region while a jet stream pulls cold air south, creating heat waves and snow across the ...

Freezing temperatures and travel impacts are expected into Thursday morning in parts of Idaho, Nevada and three other states.

As a dangerously cold weather front plunges into the U.S., tens of millions across much of the country can expect heavy snow, sleet and freezing rain. Around 190 million people — more than half the ...