* WHAT...South winds 15 to 25 mph with gusts up to 40 mph expected.
* WHERE...Portions of northwest Arizona, southeast California, and south central and southern Nevada.
* WHEN...From 8 PM PDT / MST this evening to 5 AM PDT / MST Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.