The statewide Sierra Nevada snowpack, which provides nearly one-third of California’s water supply, began the year in good shape, at 108% of normal.

The storm is affecting major transportation routes, including highways in the Greater Lake Tahoe Area and Lassen-Eastern Plumas-Eastern Sierra Counties.

Sunday: Mostly cloudy with a chance of rain; highs near 50 in the valleys and in the 40s at higher elevations. Mostly clear ...

Nestled in the Sierra Nevada mountains, the UC Berkeley Central Sierra Snow Lab, or CSSL, has been a vital research field ...

The National Weather Service forecast a "significant combination of hazardous winter weather" for several states.

Residents of a Southern California mountain community near the Eaton Fire burn scar were digging out of roads submerged in ...

Growth remains on the menu for Reno area. But high housing costs and income disparities between new and existing residents ...

Read about the challenges faced by Sterling Klippel and his stormwater crews as they work to prevent catastrophic mudslides ...

In Santa Barbara, people living in at-risk areas were told to leave by 3 p.m. Wednesday. The National Weather ...

Lawmakers propose a new law that allows cyclists to yield rather than stop. But will the measure help public safety for ...

Researchers from the University of Colorado Boulder used ... Their findings confirmed that dense rock formations beneath the Sierra Nevada’s central region are detaching and sinking into the ...