889 FXUS65 KFGZ 240402 AFDFGZ Area Forecast Discussion National Weather Service Flagstaff AZ 902 PM MST Wed Dec 23 2020 .SYNOPSIS...Look for very cold temperatures and wind chills through Thursday morning. Warmer temperatures and lighter winds arrive for northern Arizona on Thursday. Mostly cloudy skies and a few flurries or light rain showers are on tap for Christmas Day. Expect increasing winds and dry weather over the weekend. && .DISCUSSION...Extremely dry and cold air, along with surface north through east winds, will affect nearly all locations tonight. Winds have started to decrease this evening, but will still remain gusty for several more hours in favored locations. Favored locations will be along and just southwest of higher terrain, these areas may see winds chills dropping below zero at times. A s/wv ridge brings some warming and less wind for Thursday, after a very cold morning. A weak low moves through Christmas Day, this low may have enough moisture for a few flurries or light sprinkles. Stay tuned for details concerning our potential winter storm early next week. No short term updates needed this evening. && .AVIATION...For the 06Z package...VFR conditions will persist over the next 24 hours. Til 10Z, areas along and south of the Mogollon Rim and Yavapai County mountains with surface winds N-NE 10-20kts gusts to 35kts, wind decreasing after 10Z. Elsewhere/otherwise, sfc winds N-E 5-15kts. Aviation discussion not updated for TAF amendments. && .FIRE WEATHER...North to northeast winds will last into tonight. Look for lighter easterly winds on Thursday with a warming trend. A weak area of low pressure will move across Arizona on Christmas Day with increasing clouds and slight chances for showers. Saturday through Monday...A Low pressure passing north of the state could bring southwest to west winds on Saturday and Sunday. A strong low pressure system will then begin to move across Arizona on Monday with increasing southwest winds, cloud cover, and chances for rain and snow. && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. && $$ PUBLIC...Peterson AVIATION...DL FIRE WEATHER...MAS For Northern Arizona weather information visit weather.gov/flagstaff