052  
FNUS75 KFGZ 310525  
FWSFGZ  
 
SPOT FORECAST FOR GAP SPRINGS...BIA NAVAJO REGION  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
1025 PM MST WED JUL 30 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 2300 MST ON JULY 30.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ  
   
DISCUSSION
 
ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE  
EACH AFTERNOON, MAINLY BETWEEN 2 PM MDT AND 8 PM MDT. GUSTY  
OUTFLOW WINDS 30-40 MPH AND BRIEF DOWNPOURS WILL BE THE MAIN  
THREATS WITH THESE STORMS. WETTING RAINFALL WILL BE UNLIKELY.  
OTHERWISE, DAYTIME WINDS WILL PRIMARILY BE FROM THE SOUTHWEST ON  
THURSDAY, BECOMING MORE WESTERLY ON FRIDAY. OVERNIGHT WINDS WILL  
BE PRIMARILY LIGHT AND TERRAIN-DRIVEN FLOW.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....53 TO 56 DEGREES.  
MAX HUMIDITY........43 TO 47 PERCENT.  
WIND (20 FT)........LIGHT TERRAIN-DRIVEN WINDS 5 MPH OR LESS.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......3.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 5 KNOTS.  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY THEN BECOMING PARTLY SUNNY. CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PCPN......40 PERCENT.  
MAX TEMPERATURE.....74 TO 78 DEGREES.  
MIN HUMIDITY........17 TO 20 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5-10 MPH, GUSTS TO 15 MPH IN THE AFTERNOON.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......1322.  
MIXING HEIGHT.......9900 FT AGL IN THE MORNING INCREASING TO 13100  
FT AGL LATE IN THE MORNING.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 KNOTS.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....52 TO 55 DEGREES.  
MAX HUMIDITY........52 TO 57 PERCENT.  
WIND (20 FT)........LIGHT TERRAIN-DRIVEN WINDS 5 MPH OR LESS.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......3.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 KNOTS.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....72 TO 75 DEGREES.  
MIN HUMIDITY........19 TO 21 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5-10 MPH SHIFTING TO THE WEST  
IN THE AFTERNOON WITH GUTS TO 15 MPH. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.  
MAX VENT RATE.......EXCELLENT.  
CLEARING INDEX......1836.  
MIXING HEIGHT.......9800 FT AGL IN THE MORNING INCREASING TO 13200  
FT AGL LATE IN THE MORNING.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 KNOTS SHIFTING TO THE WEST  
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=36.3437&LON=-109.0663&CLAT=36.3437&CLON=-109.0663  
 

 
FORECASTER...HUMPHREYS  
REQUESTED BY...TANYA SMITH  
TYPE OF REQUEST...WILDFIRE  
.TAG 2518915.0/FGZ  
.DELDT 07/30/25  
.FORMATTERVERSION 2.0.0  
.EMAIL TANYA.SMITH@BIA.GOV,WHITNEYKYLE88@GMAIL.COM,JOHNSON.BENALLIE@BIA.GOV  
 
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