* WHAT...East winds 20 to 25 mph with gusts up to 40 mph. * WHERE...Gila Bend, Tonopah Desert, West Pinal County, Central La Paz, Gila River Valley, and Yuma. * WHEN...Until 3 PM MST this afternoon. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne.