* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected.
* WHERE...Portions of northwest Arizona, southeast California, and south central and southern Nevada.
* WHEN...From 11 AM PDT /11 AM MST/ Friday to 5 AM PDT /5 AM MST/ Sunday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.