* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph.
* WHERE...Chuckwalla Mountains, Chuckwalla Valley, and Imperial County Southeast.
* WHEN...From 11 AM to 11 PM PDT Saturday.
* IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne.