


Area Forecast Discussion
Issued by NWS Flagstaff, AZ
Issued by NWS Flagstaff, AZ
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113 FXUS65 KFGZ 050516 AFDFGZ Area Forecast Discussion National Weather Service Flagstaff AZ 1016 PM MST Sat Oct 4 2025 .SYNOPSIS...Southwest winds will decrease over eastern Arizona by late this afternoon. Otherwise, expect dry and cooler weather this weekend. Overnight low temperatures tonight and Sunday night will produce some freezing temperatures in the high country, check your local forecast for details. After fair and somewhat warmer weather early next week, expect a chance for showers to return late next week. && .DISCUSSION...A potent low to our north has taken its time moving through Utah today, prolonging windy conditions over the eastern zones. The trough axis has moved through the Four Corners and is about to move through Window Rock this afternoon. Winds behind this axis should drop relatively quickly, hanging on the longest in the southeast pocket of our CWA. Behind this trough, cool and dry air will bring a pair of cold mornings to our area, especially above 7000 feet. The first freeze is likely tonight in the high pockets, such as the Grand Canyon Airport and out here in Bellemont. The overall pattern will be typical of early fall through Wednesday though, a slow daytime warming trend, average southwesterly breezes in the afternoon and cool nights. By the end of the coming week, things get more complicated as deepening low pressure off the west coast interacts with both sub- tropical moisture and potential hurricane activity. There are large differences in solutions as a bunch of phasing must occur to bring this all together. At the very least, expect a windier, wetter and cooler pattern toward the end of next week, but it is too early to jump all over tropical activity and forecast a major event. Stay tuned on this one. && .AVIATION...Sunday 05/06Z through Monday 06/06Z...Expect VFR conditions under clear skies. Light winds are forecast through the morning hours, becoming SW 5-15 kts gusting 20 kts after 18Z. Wind become light again after 01Z. OUTLOOK...Monday 06/06Z through Wednesday 08/06Z...VFR conditions, no precipitation expected. Winds SW 5-15 kts, gusts 20-25 kts each day. Winds light and variable or terrain driven during overnight hours. && .FIRE WEATHER...Sunday and Monday...High temperatures 5 degrees below average with dry conditions and no precipitation expected. Minimum RH values will be 15-25% Sunday and 10-20% Monday. SW winds 10-20 mph both days. Tuesday through Thursday..High temperatures return to seasonal averages through the end of the week. There is a 10-20% chance of thunderstorms Wednesday along the AZ/NM border. A slight chance of showers or thunderstorms returns to the higher elevations Thursday afternoon, and a chance of showers area wide Thursday night into Friday morning. Minimum RH values 10-25% Tuesday and Wednesday, rising to 20-35% Thursday. Daytime winds will be S-SW 10-20 mph. && .FGZ WATCHES/WARNINGS/ADVISORIES...None. && $$ PUBLIC...Peterson AVIATION...RR FIRE WEATHER...Bernhart For Northern Arizona weather information visit weather.gov/flagstaff