301  
FNUS75 KFGZ 311309  
FWSFGZ  
 
SPOT FORECAST FOR MAYFLOWER...USDA FOREST SERVICE  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
609 AM MST THU JUL 31 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 MST ON JULY 31.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
   
DISCUSSION
 
HOT AND MOSTLY DRY CONDITIONS ARE EXPECTED FOR TODAY  
WITH INCREASING CHANCES FOR SHOWERS ON FRIDAY. ISOLATED SHOWERS AND  
THUNDERSTORMS WILL BE POSSIBLE BETWEEN 1100-2000 MST ON FRIDAY. GUSTY  
OUTFLOW WINDS UP TO 30-35 MPH AND BRIEF DOWNPOURS WILL BE THE MAIN  
THREATS WITH THESE STORMS. WETTING RAINFALL LOOKS TO BE UNLIKELY. MINIMUM  
RH VALUES WILL BE 15-25 PERCENT EACH DAY, WITH FAIR OVERNIGHT RECOVERIES.  
OUTSIDE OF OUTFLOW WINDS, EXPECT SOUTHWEST WINDS 10-20 MPH WITH GUSTS TO  
25-30 MPH TODAY, THEN 10-15 MPH WITH GUSTS TO 20-25 MPH ON FRIDAY. OVERNIGHT  
WINDS WILL BE PRIMARILY LIGHT AND TERRAIN-DRIVEN.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....79 TO 84 DEGREES.  
MIN HUMIDITY........15 TO 25 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH AFTER  
1300 MST.  
MAX VENT RATE.......EXCELLENT.  
MIXING HEIGHT.......8800 FT AGL IN THE MORNING INCREASING TO 12900  
FT AGL LATE IN THE MORNING.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 KNOTS.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....52 TO 55 DEGREES.  
MAX HUMIDITY........65 TO 70 PERCENT.  
WIND (20 FT)........SOUTHWEST TO SOUTH WINDS 5 TO 10 MPH.  
MIN VENT RATE.......POOR.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 KNOTS.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY TO PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER 1100 MST.  
CHANCE OF PCPN......20 PERCENT AFTER 1100 MST.  
MAX TEMPERATURE.....78 TO 84 DEGREES.  
MIN HUMIDITY........20 TO 25 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 10 TO 15 MPH  
AFTER 1100 MST. GUSTS TO AROUND 25 MPH IN THE AFTERNOON.  
GUSTY AND ERRATIC OUTFLOW WINDS NEAR THUNDERSTORMS.  
MAX VENT RATE.......EXCELLENT.  
MIXING HEIGHT.......11100 FT AGL IN THE MORNING INCREASING TO 13300  
FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 KNOTS.  
 
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://WWW.WEATHER.GOV/DLH/FWD?LAT=34.9352&LON=-111.5191&CLAT=34.9352&CLON=-111.5191  
 

 
FORECASTER...MEOLA  
REQUESTED BY...KEITH V HALLORAN  
TYPE OF REQUEST...WILDFIRE  
.TAG 2518926.0/FGZ  
.DELDT 07/31/25  
.FORMATTERVERSION 2.0.0  
.EMAIL KEITH.HALLORAN@USDA.GOV,TROY.DROUIN@USDA.GOV,HADEN.FRANZEN@USDA.GOV  
 
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