060  
FNUS72 KJAX 101940  
FWSJAX  
 
SPOT FORECAST FOR SMITH GRADE RD FIRE...FLORIDA FOREST FOREST  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
340 PM EDT FRI JUL 10 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 EDT ON JULY 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (904) 741-4370 IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
..HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING
 
 
   
DISCUSSION
 
 
EAST TO SOUTHEASTERLY WINDS WILL CONTINUE THROUGH THIS EVENING AS  
THE SEA BREEZE HAS MOVED INLAND TO THE WEST. THIS WILL KEEP RH  
VALUES GENERALLY ABOVE 50% AND A HEAT INDEX OF 105+ THROUGH ABOUT  
7 PM. DISPERSIONS WILL REMAIN IN THE 30-40 RANGE THROUGH THIS EVENING.  
SATURDAY, FLOW WILL START OFF WEST TO SOUTHWESTERLY BEFORE A  
DEVELOPING SEA BREEZE MOVES INLAND BETWEEN ABOUT 12-1 PM. HOT AND  
HUMID CONDITIONS WILL RESULT BEHIND THE SEA BREEZE, WHICH COULD REACH  
HEAT ADVISORY CRITERIA AS HEAT INDICES ARE FORECAST TO BE NEAR 110F.  
DISPERSIONS WILL BE IN A SIMILAR "FAIR" RANGE TOMORROW, AROUND 30-40  
UNITS.  
   
REST OF TODAY
 
 
TIME (EDT) 4PM 5PM  
SKY (%).........2 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 10  
CHC OF THDR (%).10 10  
TEMP............95 94  
RH..............55 54  
HEAT INDEX (F)..109 106  
20 FT WIND DIR.. E E  
20 FT WIND SPD..9 9  
20 FT WIND GUST.14 14  
MIX HGT (KFT)...2.9 2.4  
TRANSP WIND DIR.SE SE  
TRANSP WIND SPD.12 13  
DISPERSION IDX..35 34  
LVORI...........2 2  
   
TONIGHT
 
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........10 13 16 19 17 19 23 26 29 23 23 8  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 10 0 0 0 0 0 0 0  
CHC OF THDR (%).10 10 10 10 10 0 0 0 0 0 0 0  
TEMP............92 89 86 84 83 82 81 80 79 78 78 77  
RH..............58 64 70 72 72 74 77 79 82 85 82 85  
HEAT INDEX (F)..103 99 95 91 89 87 86 84 79 78 78 77  
20 FT WIND DIR.. E SE SE S S SW SW SW SW SW SW SW  
20 FT WIND SPD..9 9 8 8 7 6 6 5 5 5 5 5  
20 FT WIND GUST.15 15 16 16 15 14 14 13 13 12 12 10  
MIX HGT (KFT)...1.9 1.3 0.7 0.6 0.5 0.4 0.4 0.4 0.5 0.4 0.4 0.4  
TRANSP WIND DIR.SE S S S S S S S S SW SW SW  
TRANSP WIND SPD.14 15 15 15 14 13 12 12 10 10 9 8  
DISPERSION IDX..30 23 10 10 9 8 7 7 6 5 5 4  
LVORI...........2 2 3 3 3 4 4 4 4 5 5 5  
   
SATURDAY
 
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........5 5 5 2 7 10 0 1 25 30 45 51  
WEATHER COV..... SCH SCH SCH CHC  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........ SCH SCH SCH CHC  
CHC OF PCPN (%).0 0 0 0 0 0 0 10 20 20 20 30  
CHC OF THDR (%).0 0 0 0 0 0 0 10 20 20 20 30  
TEMP............77 77 80 85 88 92 94 95 96 95 94 93  
RH..............85 88 85 75 70 60 56 55 53 55 56 56  
HEAT INDEX (F)..77 77 85 94 100 105 107 109 110 109 107 105  
20 FT WIND DIR..SW W W W W W SW SE E E E SE  
20 FT WIND SPD..5 3 3 3 3 5 5 5 6 7 8 8  
20 FT WIND GUST.9 9 8 8 8 8 8 9 10 12 12 13  
MIX HGT (KFT)...0.6 0.7 0.8 1.7 2.5 3.4 3.6 3.9 4.1 3.6 3.1 2.6  
TRANSP WIND DIR.SW W W W W W W SW SW S S SE  
TRANSP WIND SPD.8 8 8 8 8 7 7 7 7 8 10 12  
DISPERSION IDX..4 4 9 16 23 28 29 29 31 33 36 37  
LVORI...........5 6 4 3 3 2 2 2 2 2 2 2  
 

 
FORECASTER...DUBOIS  
REQUESTED BY...SIERRA BLACKWELL  
TYPE OF REQUEST...WILDFIRE  
.TAG 2617166.0/JAX  
.DELDT 07/10/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MATTHEW.KLINDT@FDACS.GOV,SIERRA.BLACKWELL@FDACS.GOV,MATTHEW.DEDMON@FDACS.GOV,CHAZ.WOLLITZ@FDACS.GOV,FAITH.SIMS@FDACS.GOV  
 
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