Two winter storms will bring snow, freezing rain and arctic cold in a one-two punch to parts of the United States this week.

One of the more potent storm systems so far this season is setting up to bring significant widespread rainfall and windy conditions to much of San Diego towards the middle of the week.

Inches of rain is headed our way, starting Wednesday and through Friday we can expect a large scale strong system.

The start of the week is calm across Kern, but we're expecting rain by the end of the week. Early estimates have Bakersfield finally receiving a good, soaking rain Thursday into Friday ...

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another ...

Nestled in the Sierra Nevada mountains, the UC Berkeley Central Sierra Snow Lab, or CSSL, has been a vital research field station specializing in snow physics, snow hydrology, meteorology, climatology ...

Temperatures warm up to kick off the work week with a high of 66 expected in Las Vegas. Conditions shift mid-week as an atmospheric river is expected to impact the Southwest.

Al Roker talks to climate scientist Alexander Gershunov about the conditions that made the L.A. wildfires so devastating.

Atmospheric rivers, also described as "rivers in the sky," cause more than 80 percent of all flooding damage across the West ...

Another round of snow is headed for Montana as the active and cold February weather will continue for the foreseeable future.

A series of atmospheric rivers over the last week brought feet of rain and snow to California, as well as wind gusts over 100 mph, and AccuWeather meteorologists say the storms aren't over yet.

U.S. Senators Alex Padilla (D-Calif.) and Lisa Murkowski (R-Alaska) announced bipartisan legislation that will reduce flood ...