091  
FNUS75 KFGZ 211937  
FWSFGZ  
 
SPOT FORECAST FOR ROCK CANYON...AZ  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
1237 PM MST SUN JUN 21 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 MST ON JUNE 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
   
DISCUSSION  
HOT AND DRY CONDITIONS WILL PERSIST MONDAY WITH  
A SLIGHT INCREASE IN HUMIDITY TUESDAY. WINDS WILL BE BREEZY,  
WITH NEAR-CRITICAL FIRE WEATHER BY TUESDAY AS WINDS GUST NEAR  
30 MPH. MOISTURE INCREASES FURTHER WEDNESDAY AND THURSDAY WITH  
MINIMUM RH 15-20% AND ISOLATED TO SCATTERED SHOWERS AND  
THUNDERSTORMS, DECREASING BY FRIDAY. WEST WINDS 15-20 MPH WITH  
GUSTS AROUND 25 MPH WEDNESDAY AND THURSDAY, INCREASING TO  
15-25 MPH WITH GUSTS TO 35 MPH FRIDAY.  
   
MONDAY  
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....89 TO 92.  
MIN HUMIDITY........4 TO 7 PERCENT.  
WIND (20 FT)........WEST-SOUTHWEST 8-13 MPH THROUGH 10 AM MST,  
THEN BECOMING WEST 13-18 MPH WITH GUSTS AROUND  
25 MPH.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......1960.  
MIXING HEIGHT.......9900 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 KNOTS INCREASING TO AROUND  
20 KNOTS LATE IN THE AFTERNOON.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MIN TEMPERATURE.....57 TO 61.  
MAX HUMIDITY........12 TO 16 PERCENT.  
WIND (20 FT)........SOUTHWEST 5-10 MPH.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......2.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....WEST 10 TO 15 KNOTS SHIFTING TO THE SOUTHWEST  
AROUND 5 KNOTS OVERNIGHT.  
   
TUESDAY  
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....90 TO 93.  
MIN HUMIDITY........9 TO 12 PERCENT.  
WIND (20 FT)........WEST 5-10 MPH THROUGH 9 AM, INCREASING TO 15-20 MPH  
WITH GUSTS 25-30 MPH.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......3661.  
MIXING HEIGHT.......10100 FT AGL IN THE MORNING INCREASING TO 14100  
FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 KNOTS INCREASING TO WEST 20  
TO 25 KNOTS IN THE LATE MORNING AND 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=36.9156&LON=-112.2031&CLAT=36.9156&CLON=-112.2031  
 
 
FORECASTER...JOHNDROW  
REQUESTED BY...KAYLA RONSANI  
TYPE OF REQUEST...WILDFIRE  
.TAG 2615667.6/FGZ  
.DELDT 06/21/26  
.FORMATTERVERSION 2.0.0  
.EMAIL KAYLA_RONSANI@FIRENET.GOV  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab AZ Page
Main Text Page