* WHAT...South winds 20 to 30 mph with gusts between 45 and 55 mph expected.
* WHERE...Portions of northwest Arizona, southeast California, and southern Nevada.
* WHEN...From 2 AM PDT /2 AM MST/ Sunday to 5 AM PDT /5 AM MST/ Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.