I-84 closed near Multnomah Falls, Oregon, after whiteout winter weather conditions led to a massive pileup on Thursday.

Snow and ice in whiteout conditions contributed to as many as 30 cars involved in a pileup on a major highway connecting ...

Debris flows brought on by the strongest atmospheric river of the season swept a car off a southern California highway and ...

As the downpour intensified, the National Weather Service issued flash flood and severe thunderstorm warnings for a swath of ...