* WHAT...West winds 15 to 30 mph with gusts up to 50 mph.
* WHERE...Southwest Imperial County and Imperial Valley.
* WHEN...Until midnight PDT tonight.
* IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne.
* ADDITIONAL DETAILS...NUmerous channels of blowing dust are likely with visibilities locally falling below 1 mile.