* WHAT...South winds 15 to 25 mph with gusts up to 55 mph.

* WHERE...East Bay Interior Valleys, North Bay Interior Mountains, North Bay Interior Valleys, and San Francisco Bay Shoreline.

* WHEN...Until 7 AM PST Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. The combination of wind and moist soils will increase the risk for downed trees.