074  
FNUS75 KFGZ 291241  
FWSFGZ  
 
SPOT FORECAST FOR EVAC PILES RX...USFS  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
541 AM MST WED JUL 29 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON JULY 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
   
DISCUSSION
 
MAINLY DRY AND WARMING CONDITIONS ARE EXPECTED  
THROUGH THIS FORECAST PERIOD. LINGERING MOISTURE AND INSTABILITY  
BRINGS A SLIGHT THREAT FOR CONVECTION TODAY, BUT THINGS WILL DRY  
OUT AND STABILIZE BY THURSDAY. WINDS WILL GENERALLY BE LIGHT AND  
WILL TREND SOUTHWESTERLY TODAY, WITH A BIT MORE OF A WESTERLY  
COMPONENT ON THURSDAY.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
CHANCE OF PCPN......20 PERCENT.  
CHANCE LIGHTNING....0 PERCENT INCREASING TO 20 PERCENT IN THE  
AFTERNOON.  
MAX TEMPERATURE.....89 TO 91.  
MIN HUMIDITY........28 TO 30 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 6 TO 10 MPH BY 1100-1200.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR ANY  
THUNDERSTORMS.  
MAX VENT RATE.......VERY GOOD.  
CLEARING INDEX......707.  
MIXING HEIGHT.......10000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 KNOTS.  
   
TONIGHT
 
 
SKY/WEATHER.........BECOMING MOSTLY CLEAR BY SUNSET.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MIN TEMPERATURE.....66 TO 68.  
MAX HUMIDITY........55 TO 60 PERCENT.  
WIND (20 FT)........SOUTH-SOUTHWEST WINDS 3 TO 5 MPH.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......1.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 KNOTS.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....92 TO 94.  
MIN HUMIDITY........20 TO 22 PERCENT.  
WIND (20 FT)........WEST-SOUTHWEST WINDS 5 TO 8 MPH BY 1100-1200L.  
MAX VENT RATE.......VERY GOOD.  
CLEARING INDEX......721.  
MIXING HEIGHT.......10200 FT AGL IN THE MORNING AND EARLY AFTERNOON  
INCREASING TO 11100 FT AGL LATE IN THE  
AFTERNOON.  
TRANSPORT WINDS.....NORTH AROUND 5 KNOTS SHIFTING TO THE SOUTHWEST  
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=34.5579&LON=-112.5288&CLAT=34.5579&CLON=-112.5288  
 

 
FORECASTER...PETERSON  
REQUESTED BY...DEVON OLSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2618547.0/FGZ  
.DELDT 07/29/26  
.FORMATTERVERSION 2.0.0  
.EMAIL DEVON.OLSON@USDA.GOV  
 
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