* WHAT...Heavy snow expected. For the Coastal Range/Shasta County mountains above 3500 feet, 6 to 24 inches expected, locally higher over peaks. For the Southern Cascades/Sierra above 5000 feet, 1 to 3 feet expected, locally higher over the peaks. Winds gusting as high as 55 MPH.

* WHERE...Burney Basin / Eastern Shasta County, Mountains Southwestern Shasta County to Western Colusa County, Shasta Lake Area / Northern Shasta County, West Slope Northern Sierra Nevada, and Western Plumas County/Lassen Park Counties.

* WHEN...Until 10 PM PST Saturday.

* IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact commutes. Gusty winds could bring down tree branches.

* ADDITIONAL DETAILS...Periods of moderate to heavy snow today into Saturday afternoon, heaviest late tonight into Saturday morning.