Colorado's wildfire season has grown beyond the traditional "wildfire season." But amid the smoke is hope as communities rally to protect themselves and new tech emerges.

This latest atmospheric river comes on the heels of another system in which the northern half of the Sierra Nevada got ...

Persistent rainfall and flooding have prompted more road closures across Sonoma County as of Friday afternoon. Around 1 p.m., ...

Multiple car crashes on Highway 101 backed up traffic as the National Weather Service warned of slippery roads and increased ...

In recent years, "atmospheric river" has become used much more frequently in scientific papers and in media coverage.

An atmospheric river that has brought damaging wind, rain and snow to the Pacific Northwest fed a storm spreading as far ...

Hundreds of flights were canceled and delayed at the San Francisco airport on Wednesday as an atmospheric river brought rain ...

Dramatic viewer photos obtained by KRON4.com show the before and after of overflowing on the Russian River in Guerneville.

The updating radar map shows current areas of precipitation in green, with greater intensities indicated by yellow and orange ...

The storm has caused several school closures across Sonoma County, with west county hardest hit by flooding and debris.

As expected, the extreme atmospheric river has brought impressive rainfall totals to the North Coast and Coastal Range but ...

A major storm moving through Northern California toppled trees and dropped heavy snow and record amounts of rain after ...