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

Authorities say a crash on Interstate 84 near Portland, Oregon, in whiteout conditions caused a more than 100-vehicle pileup.

Debris flows brought on by the strongest atmospheric river of the season swept a car off a southern California highway and into the ocean and left roads submerged in sludge.

Snow, ice and freezing rain are likely to continue impacting roads and schools until a widespread warmup midday Friday across the Willamette Valley.

Much of the Willamette Valley turned white on Thursday morning as a few inches of snow fell from Eugene to Portland. It was ...

Multiple crashes were reported during Thursday's snow storm, with freezing rain on the way overnight. TriMet is adjusting ...

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

Everyone was able to exit the SUV that caught on fire. ODOT later stated that 20 to 30 cars were involved in the pileup.