717  
FNUS75 KFGZ 222101  
FWSFGZ  
 
SPOT FORECAST FOR FLAT FIRE...USFS  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
201 PM MST MON JUN 22 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 MST ON JUNE 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
   
DISCUSSION
 
WARM WITH TEMPERATURES 10 DEGREES ABOVE SEASONAL  
AVERAGES. ISOLATED THUNDERSTORMS ARE POSSIBLE ALONG THE MOGOLLON  
RIM TUESDAY AFTERNOON WITH A 10% CHANCE OF ONE DEVELOPING OVER THE  
FIRE AREA. AN OUTFLOW BOUNDARY OUT OF THE N-NE IS NOT OUT OF THE  
QUESTION FROM ONE OF THESE STORMS DURING LATE AFTERNOON TO EARLY  
EVENING. ON WEDNESDAY ISOLATED THUNDERSTORMS DEVELOP ON TOP OF THE  
RIM AGAIN, BUT A LITTLE FURTHER NORTH FROM TUESDAY'S LOCATIONS  
WITH A STORM DEVELOPING OVER THE FIRE AREA NOT EXPECTED. A LATE  
AFTERNOON OR EARLY EVENING OUTFLOW BOUNDARY OUT OF THE N-NE IS  
NOT OUT OF THE QUESTION FROM ONE OF THESE STORMS.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE LIGHTNING....0 PERCENT INCREASING TO 10 PERCENT IN THE  
AFTERNOON.  
MAX TEMPERATURE.....88-92.  
MIN HUMIDITY........13-17 PERCENT.  
WIND (20 FT)........W 10-15 MPH AFTER 12PM. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......1889.  
MIXING HEIGHT.......10400 FT AGL IN THE MORNING INCREASING TO 15700  
FT AGL LATE IN THE MORNING.  
TRANSPORT WINDS.....WEST 5 TO 10 KNOTS.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MIN TEMPERATURE.....56-60.  
MAX HUMIDITY........47-51 PERCENT.  
WIND (20 FT)........NW 0-5 MPH AFTER 8PM.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......2.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 KNOTS SHIFTING TO THE NORTH IN  
THE LATE EVENING AND OVERNIGHT.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....87-91.  
MIN HUMIDITY........15-19 PERCENT.  
WIND (20 FT)........LIGHT AND VARIABLE, BECOMING SW-W 10-15 MPH  
AFTER 11AM.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......2655.  
MIXING HEIGHT.......12000 FT AGL IN THE MORNING INCREASING TO 16600  
FT AGL LATE IN THE MORNING.  
TRANSPORT WINDS.....WEST 5 TO 10 KNOTS SHIFTING TO THE SOUTHWEST  
AROUND 15 KNOTS IN THE AFTERNOON.  
 
A WEATHER FORECAST TABLE FOR YOUR SPOT LOCATION IS LINKED.  
THE INFORMATION PROVIDED BY THIS SITE IS FOR PLANNING PURPOSES ONLY  
AND IS NOT INTENDED TO SUBSTITUTE INFORMATION PROVIDED BY AN OFFICIAL  
NATIONAL WEATHER SERVICE SPOT FORECAST.  
HTTPS://WEATHER.GOV/DLH/FWD?LAT=34.2604&LON=-110.6947&CLAT=34.2604&CLON=-110.6947  
 

 
FORECASTER...BERNHART  
REQUESTED BY...JUSTIN GABLER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2615955.1/FGZ  
.DELDT 06/22/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JUSTIN.GABLER@USDA.GOV,RUTH_KOHLER@FIRENET.GOV  
 
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