506  
FNUS75 KFGZ 192336  
FWSFGZ  
 
SPOT FORECAST FOR COPPER CREEK...USFS  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
436 PM MST SAT SEP 19 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 MST ON SEPTEMBER 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
   
DISCUSSION
 
 
DRY CONDITIONS WILL CONTINUE THROUGH MONDAY AFTERNOON.  
EXPECT SEASONABLE DAYTIME TEMPERATURES WITH MORE SUN THAN CLOUDS  
OVERALL. HUMIDITY RECOVERY TONIGHT WILL BE ON THE POOR SIDE INTO  
THE 30S PERCENT. WINDS WILL SHIFT FROM PRIMARILY OUT OF THE WEST  
TOWARD THE SOUTHEAST STARTING LATE TONIGHT, THOUGH MOSTLY TERRAIN  
DRIVEN IN THE 5-10 MPH RANGE AT 20 FEET. ON MONDAY, EXPECT THE  
HUMIDITY TO RISE SLIGHTLY ALONG WITH GUSTIER WINDS UP TO 25 MPH  
OUT OF THE SOUTHEAST.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........36 PERCENT.  
WIND (20 FT)........WEST WINDS AROUND 5 MPH SHIFTING TO THE EAST  
OVERNIGHT.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......1.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 5 KNOTS SHIFTING TO THE EAST  
OVERNIGHT.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........20 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH.  
MAX VENT RATE.......GOOD.  
CLEARING INDEX......629.  
MIXING HEIGHT.......9000 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 KNOTS SHIFTING TO THE SOUTH  
IN THE LATE MORNING AND AFTERNOON.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MIN TEMPERATURE.....AROUND 60.  
MAX HUMIDITY........44 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......2.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 5 KNOTS SHIFTING TO THE EAST  
OVERNIGHT.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........26 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 8 TO 13 MPH, GUSTS UP TO 25 MPH.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......1240.  
MIXING HEIGHT.......8800 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 KNOTS SHIFTING TO THE SOUTH  
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=34.4718&LON=-112.5507&CLAT=34.4718&CLON=-112.5507  
 

 
FORECASTER...ZANKER  
REQUESTED BY...BARRY WALLACE  
TYPE OF REQUEST...WILDFIRE  
.TAG 2622171.0/FGZ  
.DELDT 09/19/26  
.FORMATTERVERSION 2.0.0  
.EMAIL RAMSEY.THOMPSON@USDA.GOV,AZPDC@FIRENET.GOV,TANNER.WRIGHT@USDA.GOV  
 
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