571  
FXUS65 KFGZ 170338  
AFDFGZ  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
838 PM MST SAT OCT 16 2021  
   
SYNOPSIS
 
WARMER DAYTIME TEMPERATURES ARE EXPECTED AGAIN SUNDAY.  
GUSTY SOUTHWEST WINDS AND COOLER WEATHER ARRIVE MONDAY, WITH  
ANOTHER WARMING TREND THEN DEVELOPING LATER IN THE WEEK.  
 

 
   
DISCUSSION
 
CLEAR SKIES ARE BEING OBSERVED ACROSS NEARLY ALL OF  
CENTRAL AND NORTHERN ARIZONA THIS EVENING. A FEW LOCATIONS IN  
EAST-CENTRAL ZONES WILL SEE PASSING HIGH CLOUDS OVER THE NEXT FEW  
HOURS. VERY FEW CHANGES WERE MADE TO THE FORECAST THIS EVENING.  
 
MILD OVERNIGHT TEMPERATURES WILL GIVE WAY TO ANOTHER NICE DAY OF  
WARMER TEMPERATURES ON SUNDAY AS A RIDGE SHIFTS EASTWARD OUT OF  
THE STATE. SOUTH TO SOUTHWEST WINDS WILL INCREASE IN SPEED IN THE  
AFTERNOON WITH GUSTS UP TO 30 MPH.  
 
WINDS WILL INCREASE FURTHER ON MONDAY, ESPECIALLY NORTH OF  
INTERSTATE 40 AND WEST OF INTERSTATE 17, FROM A PASSING LOW  
PRESSURE CENTER. WIND GUSTS UP TO 50 MPH ARE POSSIBLE MONDAY  
AFTERNOON OVER THE KAIBAB AND COCONINO PLATEAUS AND OTHER HIGH  
TERRAIN AREAS IN NORTH-CENTRAL AZ. SUNDAY AFTERNOON WOULD BE A  
GOOD TIME TO SECURE LOOSE OUTDOORS ITEMS OUT AHEAD OF THESE  
UPCOMING WINDY CONDITIONS. AREAS OF BLOWING DUST ARE ALSO POSSIBLE  
ON AREA ROADWAYS FROM EARLY TO LATE AFTERNOON MONDAY. THE PASSING  
LOW PRESSURE WILL BE A DRY SYSTEM FOR NORTHERN ARIZONA.  
 
COOLER TEMPERATURES ON TUESDAY BEHIND THE LOW WILL GIVE WAY TO A  
SLOW WARMING TREND STARTING WEDNESDAY WITH HIGHS REACHING AVERAGE  
OR SLIGHTLY ABOVE AVERAGE BY THE END OF THE WORK WEEK. DRY  
CONDITIONS PERSIST THROUGH NEXT SATURDAY.  
 

 
   
AVIATION....FOR THE 06Z PACKAGE
 
VFR CONDITIONS ARE EXPECTED  
OVER THE TAF PERIOD. LIGHT SURFACE WINDS BECOMING SOUTH TO  
SOUTHWEST AFTER 18Z WITH GUSTS TO 25 KTS THROUGH 02Z MON. AVIATION  
DISCUSSION NOT UPDATED FOR TAF AMENDMENTS.  
 

 
   
FIRE WEATHER
 
INCREASING CLOUD COVER AND AN FASTER WIND SOUTH TO  
SOUTHWEST WIND SPEEDS WILL OCCUR ON SUNDAY. WINDS FURTHER INCREASE  
ON MONDAY WITH GUSTS UP TO 50 MPH ALONG THE HIGH TERRAIN.  
 
TUESDAY THROUGH THURSDAY...DRY AND COOL CONDITIONS WILL CONTINUE  
TUESDAY WITH ANOTHER WARMING TREND THEREAFTER.  
 

 
   
FGZ WATCHES/WARNINGS/ADVISORIES
 
NONE.  
 

 
 

 
 
PUBLIC...NL/MAS  
AVIATION...NL  
FIRE WEATHER...ET  
 
FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT WEATHER.GOV/FLAGSTAFF  
 
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