860  
FNUS75 KFGZ 252044  
FWSFGZ  
 
SPOT FORECAST FOR FLAT FIRE...USFS  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
144 PM MST THU JUN 25 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 MST ON JUNE 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
 
...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO 8 PM MST  
SUNDAY...   
..WIND ADVISORY IN EFFECT FROM 11 AM TO 8 PM MST FRIDAY
 
 
   
DISCUSSION
 
DRY AND GUSTY CONDITIONS EXPECTED FRIDAY THROUGH  
THE WEEKEND. A WIND ADVISORY AND A RED FLAG WARNING GO INTO EFFECT  
FRIDAY AT 11 AM MST. EXPECT SUSTAINED SOUTHWEST WINDS 15-20 MPH,  
GUSTING UP TO 40 MPH ON FRIDAY, INCREASING TO 25-30 MPH WITH GUSTS  
NEAR 45 MPH ON SATURDAY. WINDS LOOKS TO SLIGHTLY DECREASE OVERNIGHT,  
BUT GUSTS BETWEEN 15-30 MPH WILL STILL BE POSSIBLE. MINIMUM RH VALUES  
WILL BE BETWEEN 15 AND 25% EACH AFTERNOON, WITH OVERNIGHT RECOVERIES  
JUST BELOW 50%.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....80 TO 85 DEGREES.  
MIN HUMIDITY........20 TO 25 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS BETWEEN  
35 TO 40 MPH.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......2159.  
MIXING HEIGHT.......10300 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 15 KNOTS INCREASING TO SOUTHWEST  
25 TO 30 KNOTS IN THE LATE MORNING AND  
AFTERNOON.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MIN TEMPERATURE.....50 TO 57 DEGREES.  
MAX HUMIDITY........42 TO 48 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 35  
MPH IN THE EVENING.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......3.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 KNOTS SHIFTING TO THE SOUTH  
AFTER 3 AM.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....78 TO 83 DEGREES.  
MIN HUMIDITY........15 TO 20 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 20 TO 25 MPH WITH GUSTS TO  
AROUND 35 TO 45 MPH.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......2830.  
MIXING HEIGHT.......8500 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 20 KNOTS INCREASING TO SOUTHWEST  
30 TO 35 KNOTS IN THE LATE MORNING AND  
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...KONIECZNY  
REQUESTED BY...JUSTIN GABLER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2615955.4/FGZ  
.DELDT 06/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JUSTIN.GABLER@USDA.GOV,RUTH_KOHLER@FIRENET.GOV  
 
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