515  
FNUS75 KFGZ 141737  
FWSFGZ  
 
SPOT FORECAST FOR BIG BUG RX...FOREST SERVICE  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
1037 AM MST WED JAN 14 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON JANUARY 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
   
DISCUSSION
 
EXPECT DRY CONDITIONS WITH NO PRECIPITATION EXPECTED  
OVER THE NEXT FEW DAYS. ONLY THING OF NOTE IS A WEAK BACKDOOR COLD  
FRONT MOVING IN FRIDAY. MAIN CONSEQUENCES OF THIS FRONT IS A  
SMALL DROP IN HIGH TEMPERATURES, SLIGHTLY ELEVATED WINDS COMPARED  
TO THURSDAY AFTERNOON, AND A DROP IN HUMIDITY AS DRIER AIR MOVES  
IN BEHIND THE FRONT.  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....55-59.  
MIN HUMIDITY........26-30 PERCENT.  
WIND (20 FT)........NE 5 MPH, BECOMING N 5 MPH AFTER 4PM.  
MAX VENT RATE.......POOR.  
CLEARING INDEX......68.  
MIXING HEIGHT.......1900 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5 KNOTS.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....38-42.  
MAX HUMIDITY........34-38 PERCENT.  
WIND (20 FT)........N 5-10 MPH.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......2.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 10 KNOTS.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....53-57.  
MIN HUMIDITY........17-21 PERCENT.  
WIND (20 FT)........NE 10 MPH AFTER 8AM.  
MAX VENT RATE.......MARGINAL.  
CLEARING INDEX......134.  
MIXING HEIGHT.......2700 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 5 TO 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=34.4253&LON=-112.3456&CLAT=34.4253&CLON=-112.3456  
 

 
FORECASTER...BERNHART  
REQUESTED BY...MICHEAL WILLIAMS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2600150.0/FGZ  
.DELDT 01/14/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MICHEAL.WILLIAMS@USDA.GOV,AUSTIN.LANGHAM@USDA.GOV,JASON.HEFFNER@USDA.GOV  
 
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