This weekend is the Grand Junction Airshow. The West Star Aviation Air Show starts tonight with gates opening at six and on Saturday and Sunday; the gates will open at nine in the morning. During the air show there will also be some traffic closures. City officials say the closures are necessary for public safety. The closure area is about ¾ of a mile off the runway some areas northwest of the airport will also be closed off to general traffic. For more information and to buy tickets go to g j airshow dot com.