Lake Sonoma, Lake Mendocino and Lake Pillsbury all rose significantly as runoff poured in from the series of atmospheric ...

The new system is called FIRO, short for "Forecast Informed Reservoir Operations." Instead of just following mandated tables ...

Beaches along the Russian River and Sonoma Coast were closed earlier this month after an estimated 5.5 million gallons of ...

After months of debate, the Mendocino County Board of Supervisors unanimously approved using the term “climate change” in a county document to take a ...

Alex Deforest, From UC Davis, appeared at the Board of Supervisor chambers to give a presentation making county officials ...

With a wind speed of up to 80 mph, a brief tornado traveled for about one-third of a mile in Boyle Heights, a neighborhood on L.A.'s Eastside, just after 10 a.m.

Atmospheric rivers may be associated with wet winter storms on the West Coast of North America, but these ribbons of water vapor in the sky are a global phenomeno ...

Think California is just beaches and sunshine? Winter reveals European villages, alpine towns, and desert escapes that feel ...

Blustery, wet conditions are forecast to continue through Tuesday, then shift to dry conditions on Wednesday and should ...

As of Wednesday, official data shows that Lake Mead is just 33 percent full, with around 8.7 million acre-feet of water in ...

The seasonal decline in the Great Lakes' water levels is in full force. Here's how your favorite Great Lake is reacting to ...

Several operating guidelines and agreements that govern Colorado River management are set to expire this year.