* WHAT...North winds 20 to 25 mph with gusts up to 40 to 45 mph expected.
* WHERE...Chiriaco Summit.
* WHEN...From 8 PM this evening to 2 PM PDT Friday.
* IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. Localized channels of blowing dust may briefly lower visibility under one mile.