* WHAT...Thursday, southwest winds 15 to 25 mph with gusts up to 40 mph expected. Thursday night and Friday, north-northwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...In Arizona, Northwest Deserts. In California, Cadiz Basin, Eastern Mojave Desert, Morongo Basin, and Western Mojave Desert. In Nevada, Southern Clark County. * WHEN...From 11 AM PDT /11 AM MST/ Thursday to 11 AM PDT /11 AM MST/ Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high-profile vehicles, particularly along east-west thoroughfares including Interstate 15 and Interstate 40.