* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected.
* WHERE...The lower Colorado River Valley, including the city of Yuma.
* WHEN...From 11 AM MST /11 AM PDT/ to 11 PM MST /11 PM PDT/ Saturday.
* IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne.