The National Weather Service in Las Vegas has issued a Fire Weather Watch, which is in effect from Friday morning through Saturday evening. * AFFECTED AREA...In Arizona...Fire weather zone 101 and 102. In California...Fire weather zones 227 and 229. In Nevada...Fire weather zones 460, 461, 462, 463, 464, 465, and 466. * TIMING...From Friday morning through Saturday evening. * WIND...Southwest winds 20 to 30 mph with gusts to 40 mph. * HUMIDITY...5 to 15 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.