238  
FNUS75 KFGZ 181230  
FWSFGZ  
 
SPOT FORECAST FOR GREENBACK...USFS  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
530 AM MST TUE NOV 18 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 MST ON NOVEMBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
   
DISCUSSION  
LOOK FOR AN INCREASING CHANCE OF RAIN SHOWERS WITH  
A STRAY THUNDERSTORM POSSIBLE THROUGH WEDNESDAY. WINDS GENERALLY  
FROM THE SOUTH TO SOUTHEAST AT 5 TO 15 MPH. AFTERNOON VENTILATION  
IS FORECAST TO BE GOOD TODAY AND WEDNESDAY. DRAINAGE FLOW WILL  
BE NONEXISTENT.  
 
THURSDAY OUTLOOK...THE CHANCE FOR RAIN SHOWERS WITH A SLIGHT CHANCE OF  
THUNDERSTORMS WILL CONTINUE. WINDS WILL BE LIGHT FROM THE SOUTHWEST  
WITH ONLY MARGINAL TO FAIR VENTILATION DURING THE AFTERNOON.  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS.  
CHANCE OF PCPN......60 PERCENT.  
MAX TEMPERATURE.....57 TO 60.  
MIN HUMIDITY........65 TO 70 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 15 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MAX VENT RATE.......VERY GOOD.  
CLEARING INDEX......706.  
MIXING HEIGHT.......4000 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....46 TO 49.  
MAX HUMIDITY........85 TO 95 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 2 TO 5 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......4.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 KNOTS.  
   
WEDNESDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY THROUGH THE  
DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
CHANCE OF PCPN......70 PERCENT.  
MAX TEMPERATURE.....53 TO 56.  
MIN HUMIDITY........75 TO 80 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 1 TO 3 MPH UNTIL 10:00 AM BECOMING  
SOUTH AT 5 TO 10 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE  
AFTERNOON.  
MAX VENT RATE.......GOOD.  
CLEARING INDEX......506.  
MIXING HEIGHT.......3700 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 KNOTS SHIFTING TO THE SOUTHWEST  
LATE 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://WWW.WEATHER.GOV/DLH/FWD?LAT=33.8775&LON=-111.1428&CLAT=33.8775&CLON=-111.1428  
 
 
FORECASTER...MCCOLLUM  
REQUESTED BY...DREW MAXWELL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526164.0/FGZ  
.DELDT 11/18/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DREW.MAXWELL@USDA.GOV  
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