...Critical to Extreme Fire Weather conditions on Sunday across parts of western Oklahoma and all of western north Texas... .The combination of gusty winds, warm and dry weather and dry vegetation will cause Critical to Extreme Fire Weather conditions on Sunday. ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING FOR WINDY CONDITIONS... WARM TEMPERATURES AND LOW RELATIVE HUMIDITY FOR parts of western, central, and south central Oklahoma... * WINDS...Southwest to west 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 19 percent. * TEMPERATURE...Highs 55 to 70 degrees F. * IMPACTS...Fires that develop will likely spread rapidly. Outdoor burning is strongly discouraged.