531  
FNUS75 KFGZ 171748  
FWSFGZ  
 
SPOT FORECAST FOR GRASSHOPPER RX...AZ-FTA  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
ISSUED BY NATIONAL WEATHER SERVICE LAS VEGAS NV  
1048 AM MST MON NOV 17 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 MST ON NOVEMBER 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
   
DISCUSSION  
CONSIDERABLE MID AND HIGH CLOUDS ARE EXPECTED TODAY  
BUT OTHERWISE CONDITIONS SHOULD REMAIN DRY AHEAD OF A WEATHER  
SYSTEM DIGGING INTO SOUTHERN CALIFORNIA. SHOWER AND THUNDERSTORM ACTIVITY  
WILL INCREASE VERY LATE TONIGHT INTO TUESDAY MORNING WITH PERIODS OF  
SHOWERS THROUGH THE DAY.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 53.  
MIN HUMIDITY........59 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH.  
MAX VENT RATE.......GOOD.  
CLEARING INDEX......659.  
MIXING HEIGHT.......5100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 KNOTS.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE.  
CHANCE OF PCPN......30 PERCENT.  
MIN TEMPERATURE.....AROUND 41.  
MAX HUMIDITY........93 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH  
OVERNIGHT.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......2.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 0 TO 5 KNOTS.  
   
TUESDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS  
LIKELY.  
CHANCE OF PCPN......60 PERCENT.  
MAX TEMPERATURE.....AROUND 50.  
MIN HUMIDITY........68 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......1273.  
MIXING HEIGHT.......5600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 KNOTS INCREASING TO SOUTH  
AROUND 15 KNOTS LATE IN THE MORNING, THEN  
INCREASING TO AROUND 25 KNOTS EARLY IN THE  
AFTERNOON DECREASING TO AROUND 15 KNOTS 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=34.0431&LON=-110.6&CLAT=34.0431&CLON=-110.6  
 
 
FORECASTER...VEF BACKUP  
REQUESTED BY...E-5261  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526145.0/FGZ  
.DELDT 11/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL BUTCH.GREGG@BIA.GOV,LOGAN.LAWSON@BIA.GOV,DANNY.TAYLOR@BIA.GOV,AZSDC@FIRENET.GOV,CARLTON.GOSEYUN@BIA.GOV  
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