427  
FNUS75 KFGZ 190854  
FWSFGZ  
 
SPOT FORECAST FOR TONTO NORTH RX- PILES...FORT APACHE AGENCY- BIA  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
154 AM MST WED NOV 19 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON NOVEMBER 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
   
DISCUSSION  
LOOK FOR RAIN SHOWERS TODAY TURNING TO  
SNOW SHOWERS OVERNIGHT AND ON THURSDAY. A STRAY THUNDERSTORM  
WILL BE POSSIBLE. WINDS WILL GENERALLY BE LIGHT FROM THE  
SOUTH TODAY AND TONIGHT THEN TURNING TO WEST ON THURSDAY.  
VENTILATION WILL BE VERY GOOD TODAY BUT ONLY FAIR ON  
THURSDAY WITH LIGHT WINDS AND A SHALLOW MIXED LAYER  
DEVELOPING.  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY. CHANCE OF  
THUNDERSTORMS.  
CHANCE OF PCPN......70 PERCENT.  
MAX TEMPERATURE.....42 TO 45.  
MIN HUMIDITY........75 TO 80 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 15 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MAX VENT RATE.......VERY GOOD.  
CLEARING INDEX......883.  
MIXING HEIGHT.......3900 FT AGL.  
TRANSPORT WINDS.....SOUTH 15 TO 20 KNOTS DECREASING TO AROUND 10  
KNOTS LATE IN THE AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........CLOUDY. RAIN AND SNOW SHOWERS LIKELY.  
CHANCE OF THUNDERSTORMS.  
CHANCE OF PCPN......90 PERCENT.  
MIN TEMPERATURE.....23 TO 26.  
MAX HUMIDITY........90 TO 100 PERCENT.  
WIND (20 FT)........SOUTH WINDS 3 TO 6 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......11.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 KNOTS INCREASING TO AROUND 15  
KNOTS AFTER 3 AM.  
   
THURSDAY  
 
SKY/WEATHER.........CLOUDY. SNOW SHOWERS LIKELY. SLIGHT  
CHANCE OF THUNDERSTORMS.  
CHANCE OF PCPN......90 PERCENT.  
MAX TEMPERATURE.....34 TO 37.  
MIN HUMIDITY........85 TO 90 PERCENT.  
WIND (20 FT)........WEST WINDS 3 TO 7 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MAX VENT RATE.......FAIR.  
CLEARING INDEX......308.  
MIXING HEIGHT.......2800 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://WWW.WEATHER.GOV/DLH/FWD?LAT=33.7193&LON=-109.5726&CLAT=33.7193&CLON=-109.5726  
 
 
FORECASTER...MCCOLLUM  
REQUESTED BY...RXB2 (TRAINEE)- NEHKO EDWARDS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526318.1/FGZ  
.DELDT 11/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL NEHKO.EDWARDS@BIA.GOV,NEHKOEDWARDS1@GMAIL.COM  
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