* AFFECTED AREA: In Central WY Fire Zones...280...283...285...288...289...300. In North Central WY Fire Zones...275...276...281...282...287. In Northwest WY Fire Zones...140...286. In Southwest WY Fire Zones...277...279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Big Horn...Hot Springs...Johnson...Park Washakie. In Northwest WY...Yellowstone National Park. In Southwest WY...Sweetwater...Uinta. In West Central WY...Lincoln...Sublette. * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * WIND: West 10 to 20 mph with gusts up to 35 mph. * HUMIDITY: As low as 7 percent. Relative humidity recovery will be poor on Saturday night. * TEMPERATURES: Highs in the 90s in the lower elevations. Highs in the 80s in the mountains. A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.