447  
FXUS65 KFGZ 080935  
AFDFGZ  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
235 AM MST MON SEP 8 2025  
   
SYNOPSIS
 
WARM AND DRY CONDITIONS ARE EXPECTED FOR THE START OF  
THE WEEK. FALL-LIKE WEATHER IS EXPECTED TO SET IN MIDWEEK WITH  
BREEZY AND COOLER WEATHER AND A SLIGHT CHANCE FOR SHOWERS AND  
THUNDERSTORMS.  
 

 
   
DISCUSSION
 
A TROUGH PUSHING INTO THE PACIFIC NORTHWEST TODAY  
WILL MOVE INTO THE GREAT BASIN BY MIDWEEK. THE FLOW AHEAD OF THE  
GRADUALLY DEEPENING TROUGH WILL BE MORE WESTERLY IN THE MID LEVELS  
ALLOWING FOR A SLIGHT WARMING TO OCCUR FOR TODAY AND TUESDAY.  
CONDITIONS WILL ALSO DRY OUT CONSIDERABLY WITH VERY LITTLE LINGERING  
MOISTURE ACROSS THE REGION. SOME LOW-LEVEL MOISTURE MAY STILL BE  
PRESENT ACROSS THE WHITE MOUNTAINS WHERE A STRAY SHOWER OR  
THUNDERSTORM IS POSSIBLE THROUGH THIS AFTERNOON BUT BY TUESDAY THE  
DRY AIR WINS OUT AND NO PRECIPITATION IS EXPECTED.  
 
THE TROUGH DIGS DOWN INTO THE REGION, BRINGING INCREASING WINDS AND  
COOLER WEATHER. THIS FALL-LIKE WEATHER WILL HANG AROUND THROUGH THE  
END OF THE WEEK SO BE PREPARED FOR THOSE COOLER NIGHTS. THE PRESSURE  
GRADIENT WILL TIGHTEN UP THROUGH MIDWEEK WHICH WILL TRANSLATE INTO  
SOUTHWEST WINDS AROUND 15-25 MPH WITH GUSTS TO 30-35 MPH FOR  
WEDNESDAY AND THURSDAY. CONDITIONS LOOK TO BE MOSTLY DRY AND THE  
MODEL GUIDANCE AND ENSEMBLES CONTINUE TO LEAN THAT WAY OVER THE PAST  
SEVERAL RUNS. ANY MOISTURE THAT DOES FIND ITS WAY BACK INTO THE  
REGION LOOKS TO BE MAINLY ACROSS EASTERN AZ WITH ONLY ISOLATED  
SHOWERS OR STORMS. THE TROUGH LOOKS TO CROSS THE REGION TOWARDS THE  
END OF THE WEEK ONCE AGAIN TURNING THE FLOW MORE TO THE WEST AND WE  
WILL SEE SOME WARMER AND DRIER AIR START TO PUSH BACK IN OVER THE  
WEEKEND.  
 

 
   
AVIATION...MONDAY 08/06Z THROUGH TUESDAY 09/06Z
 
MAINLY VFR  
CONDITIONS ARE FORECAST. LIGHT AND VARIABLE WIND DURING THE  
EVENING AND OVERNIGHT PERIODS, WITH SW TO W WINDS 10-20 KTS  
18Z-02Z. AN ISOLATED -SHRA OR -TSRA POSSIBLE IN SOUTHERN YAVAPAI  
COUNTY AND THE WHITE MOUNTAINS ON MONDAY AFTERNOON WITH LESS THAN  
10% AREAL COVERAGE.  
 
OUTLOOK...TUESDAY 09/06Z THROUGH THURSDAY 11/06Z...VFR CONDITIONS  
EXPECTED. DAYTIME SW WINDS 10-20 KTS WITH GUSTS 25-30 KTS  
TUESDAY, INCREASING TO 15-20 KTS GUSTING 30-35 KTS WEDNESDAY.  
WINDS DECREASING TO 5-15 KTS DURING THE LATE EVENING AND OVERNIGHT  
PERIODS.  
 

 
   
FIRE WEATHER...TODAY AND TUESDAY
 
MOSTLY DRY AND WARMER. AN  
ISOLATED SHOWER OR THUNDERSTORM POSSIBLE OVER THE WHITE MOUNTAINS.  
SOUTHWEST WINDS AROUND 5-15 MPH GUSTING TO 20 MPH TODAY, INCREASING  
TO 10-20 MPH GUSTING TO 25 MPH ON TUESDAY. MINIMUM RH VALUES 15-30%  
EACH DAY.  
 
WEDNESDAY THROUGH FRIDAY...SLIGHT INCREASE IN MOISTURE WITH ISOLATED  
SHOWERS AND THUNDERSTORMS, MAINLY EAST OF A PAGE TO PAYSON LINE.  
SOUTH TO SOUTHWEST WINDS AROUND 15-25 MPH GUSTING TO 30-35 MPH ON  
WEDNESDAY AND THURSDAY, DECREASING TO 5-15 MPH GUSTING TO 20 MPH ON  
FRIDAY. MINIMUM RH VALUES AROUND 15-35% THROUGH THURSDAY, DROPPING  
TO 10-30% ON FRIDAY.  
 

 
   
FGZ WATCHES/WARNINGS/ADVISORIES
 
NONE.  
 

 
 

 
 
PUBLIC...MEOLA  
AVIATION...JJ  
FIRE WEATHER...MEOLA  
 
FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT  
WEATHER.GOV/FLAGSTAFF  
 
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