...PROLONGED PERIOD OF CRITICAL FIRE WEATHER CONDITIONS SUNDAY THROUGH MID NEXT WEEK... ...EXTREME FIRE WEATHER CONDITIONS POSSIBLE TUESDAY... .Recent dry conditions combining with above normal temperatures and pockets of gusty winds will bring potentially critical fire weather conditions Sunday and Monday to parts of the eastern Colorado Plains. Strong west winds are expected to develop Tuesday, possibly producing extreme fire weather conditions with widespread strong and gusty winds to 60 mph. * AFFECTED AREA...Fire Weather Zones 215, 238, 239, 242, 243 and 248. * TIMING...From Tuesday morning through Tuesday evening. * WINDS...West 30 to 40 mph with gusts up to 60 mph. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.