641  
FNUS75 KFGZ 120955  
FWSFGZ  
 
SPOT FORECAST FOR 2026 UBC...USFS  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
255 AM MST TUE MAY 12 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON MAY 12.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
 
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING...  
   
DISCUSSION  
WARM AND DRY CONDITIONS ARE EXPECTED THROUGH THE WEEK.  
MINIMUM AFTERNOON RH BETWEEN 10-15% EACH DAY WITH OVERNIGHT RECOVERY  
BETWEEN 45-55%. LIGHT EASTERLY WINDS THIS MORNING, BECOMING SOUTHWEST  
10-20 MPH THIS AFTERNOON. WINDS WILL REMAIN SOUTHERLY THROUGH TONIGHT,  
BECOMING LIGHT OVERNIGHT. WINDS INCREASE ON WEDNESDAY TO 15 TO 25 MPH  
WITH GUSTS TO 35 MPH IN THE AFTERNOON. LOW RH AND STRONG WINDS WILL  
BRING NEAR-CRITICAL FIRE WEATHER CONDITIONS TO THE AREA WITH A FIRE  
WEATHER WATCH NOW IN EFFECT FOR WEDNESDAY.  
   
TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....80 TO 84 DEGREES.  
MIN HUMIDITY........10 TO 15 PERCENT.  
WIND (20 FT)........LIGHT EASTERLY WINDS AROUND 5 MPH THIS MORNING,  
SHIFTING TO THE SOUTHWEST AROUND 10 TO 20 MPH  
AFTER 11 AM MST.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......1740.  
MIXING HEIGHT.......13500 FT AGL IN THE MORNING INCREASING TO 15800  
FT AGL LATE IN THE MORNING.  
TRANSPORT WINDS.....SOUTH 5 TO 10 KNOTS SHIFTING TO THE SOUTHWEST  
LATE IN THE AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MIN TEMPERATURE.....45 TO 49 DEGREES.  
MAX HUMIDITY........45 TO 55 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 10 TO 15 MPH IN THE EVENING,  
DECREASING TO 5 MPH OVERNIGHT.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......2.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 5 KNOTS.  
   
WEDNESDAY  
 
SKY/WEATHER.........PARTLY SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....74 TO 78 DEGREES.  
MIN HUMIDITY........10 TO 15 PERCENT.  
WIND (20 FT)........SOUTH TO SOUTHWEST WINDS AROUND 5 TO 10 MPH IN THE  
MORNING, INCREASING TO SOUTHWEST 15 TO 25 MPH WITH  
GUSTS TO 35 MPH AFTER 10 AM MST.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......3588.  
MIXING HEIGHT.......7900 FT AGL IN THE MORNING INCREASING TO 11600  
FT AGL LATE IN THE MORNING.  
TRANSPORT WINDS.....SOUTH AROUND 10 KNOTS INCREASING TO AROUND 30  
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://WEATHER.GOV/DLH/FWD?LAT=34.6668&LON=-111.4149&CLAT=34.6668&CLON=-111.4149  
 
 
FORECASTER...MEOLA  
REQUESTED BY...CODY PAYNE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2613394.1/FGZ  
.DELDT 05/12/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CORY.BALL@USDA.GOV,RYAN.RAWLINSON@USDA.GOV,CODY.PAYNE@USDA.GOV,CHRISTOPHER.BROOKS@USDA.GOV  
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