* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph.
* WHERE...In Arizona, Central La Paz and Parker Valley. In California, Chuckwalla Valley, Imperial Valley, and Palo Verde Valley.
* WHEN...Until 11 PM MST /11 PM PDT/ this evening.
* IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne.