* WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected.
* WHERE...Northern Sacramento Valley and portions of the central Sacramento Valley.
* WHEN...From 4 AM to 7 PM PST Friday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Strongest winds expected Friday afternoon.