The National Weather Service in Las Vegas has issued a Fire Weather Watch, which is in effect from Saturday morning through Saturday evening. * AFFECTED AREA...In Nevada...Fire weather zones 461, 462, 465, and 466. * TIMING...Saturday morning through Saturday evening. * WIND...Southwest winds 20 to 25 mph with gusts to 35 mph. * HUMIDITY...5 to 15 percent * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.