332  
FNUS75 KFGZ 131040  
FWSFGZ  
 
SPOT FORECAST FOR 2026 UBC...USFS  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
340 AM MST WED MAY 13 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON MAY 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
 
...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST  
THIS EVENING...  
   
DISCUSSION
 
WARM AND DRY CONDITIONS ARE EXPECTED THROUGH THE WEEK.  
MINIMUM AFTERNOON RH BETWEEN 8-15% EACH DAY WITH OVERNIGHT RECOVERY  
BETWEEN 40-50%. SOUTHWEST WINDS 5-10 MPH IN THE MORNING, WILL INCREASE  
TO 15-25 MPH WITH GUSTS 25-35 MPH BY EARLY AFTERNOON. GUSTS TO 40 MPH  
ARE POSSIBLE THIS AFTERNOON. WINDS WILL DIMINISH TO 5-10 MPH OVERNIGHT  
AND THEN INCREASE OUT OF THE WEST-SOUTHWEST 10-20 MPH ON THURSDAY. LOW  
RH AND STRONG WINDS WILL BRING CRITICAL FIRE WEATHER CONDITIONS WITH A  
RED FLAG WARNING IN EFFECT THROUGH THIS EVENING.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY WITH PATCHY SMOKE IN THE AFTERNOON.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....74 TO 78 DEGREES.  
MIN HUMIDITY........8 TO 14 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH, INCREASING TO 15 TO  
25 MPH WITH GUSTS TO 30 TO 35 MPH AFTER 11 AM MST.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......2903.  
MIXING HEIGHT.......11200 FT AGL IN THE MORNING INCREASING TO 11500  
FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH AROUND 10 KNOTS INCREASING TO AROUND 30  
KNOTS.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR WITH PATCHY SMOKE IN THE EVENING.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MIN TEMPERATURE.....36 TO 40 DEGREES.  
MAX HUMIDITY........40 TO 50 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 20 TO  
30 MPH, DECREASING TO 5 TO 10 MPH AFTER 9 PM MST.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......1.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 KNOTS BECOMING SOUTH AROUND  
5 KNOTS IN THE LATE EVENING AND OVERNIGHT, THEN  
SHIFTING TO THE SOUTHEAST AFTER 3 AM.  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....71 TO 75 DEGREES.  
MIN HUMIDITY........10 TO 15 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH, BECOMING WEST-SOUTHWEST  
10 TO 20 MPH AFTER 11 AM MST.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......1018.  
MIXING HEIGHT.......9300 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 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 2613394.2/FGZ  
.DELDT 05/13/26  
.FORMATTERVERSION 2.0.0  
.EMAIL RYAN.RAWLINSON@USDA.GOV,CHRISTOPHER.BROOKS@USDA.GOV,CORY.BALL@USDA.GOV,CODY.PAYNE@USDA.GOV  
 
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