785  
FNUS72 KJAX 250519  
FWSJAX  
 
SPOT FORECAST FOR MITHCELL WILDFIRE...USWFS  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
119 AM EDT TUE AUG 25 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 EDT ON AUGUST 25.  
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.  
   
DISCUSSION  
 
CHANCES FOR SHOWERS AND STORMS WILL BUILD DURING THE AFTERNOON  
HOURS WITH THE HIGHEST LIKELIHOOD FOR THUNDERSTORMS OCCURRING IN  
THE VICINITY OF THE BURN SITE BY AROUND 3 TO 5 PM. CONVECTION WILL  
DROP OFF THIS EVENING AND THEN REBUILDING ON WEDNESDAY. WINDS  
WILL BE FROM OUT OF THE SOUTHWEST AND WEST TODAY, BECOMING MILD  
AND VARIABLE OVERNIGHT, AND THEN REBUILDING FROM OUT OF THE  
SOUTHWEST ON WEDNESDAY.  
   
REST OF TODAY  
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........34 35 35 31 30 36 46 71 84 77 79  
WEATHER COV..... SCH CHC LKY LKY CHC  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ SCH CHC LKY LKY CHC  
CHC OF PCPN (%).0 10 0 10 10 10 20 50 70 60 50  
CHC OF THDR (%).0 10 0 10 10 10 20 50 70 60 50  
TEMP............72 73 77 83 87 89 89 89 91 87 86  
RH..............97 100 90 80 72 68 66 66 62 68 70  
HEAT INDEX (F)..72 73 77 91 99 102 100 100 103 96 95  
WIND CHILL (F)..72 73 77 91 99 102 100 100 103 96 95  
20 FT WIND DIR..N SW SW SW W W W W SW SW SW  
20 FT WIND SPD..0 1 2 2 3 3 3 3 5 5 5  
20 FT WIND GUST.3 3 3 5 6 7 8 8 9 9 9  
MIX HGT (KFT)...0.5 0.5 1.4 2.2 3.1 3.6 4.0 4.4 3.7 3.1 2.4  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW S S  
TRANSP WIND SPD.6 6 6 7 7 7 8 8 8 9 9  
DISPERSION IDX..3 6 10 19 27 31 41 45 39 35 27  
LVORI...........9 9 5 3 3 3 3 1 1 3 3  
   
TONIGHT  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........77 80 76 78 80 73 67 66 52 30 29 20  
WEATHER COV.....LKY LKY CHC CHC SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW  
TSTM COV........LKY LKY CHC CHC SCH SCH  
CHC OF PCPN (%).60 60 50 30 20 20 10 10 10 0 0 0  
CHC OF THDR (%).60 60 40 30 20 20 10 10 10 0 0 0  
TEMP............84 79 76 74 73 73 72 72 71 71 70 70  
RH..............74 85 94 100 100 100 100 100 100 100 100 100  
HEAT INDEX (F)..92 79 76 74 73 73 72 72 71 71 70 70  
WIND CHILL (F)..92 79 76 74 73 73 72 72 71 71 70 70  
20 FT WIND DIR..SW SW SW S S SE SE SE N N N N  
20 FT WIND SPD..5 3 2 2 2 2 1 1 0 0 0 0  
20 FT WIND GUST.8 8 7 6 5 5 3 3 3 3 3 3  
MIX HGT (KFT)...1.8 1.2 0.6 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.S SE SE SE SE S S S S S S S  
TRANSP WIND SPD.9 8 8 7 7 6 6 5 5 5 5 5  
DISPERSION IDX..19 12 3 3 3 3 3 2 2 2 2 2  
LVORI...........3 5 8 9 9 9 9 9 10 10 10 10  
   
WEDNESDAY  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........29 29 35 45 38 35 50 55 79 73 51 43  
WEATHER COV..... SCH SCH SCH SCH CHC SCH LKY LKY CHC SCH  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH LKY LKY CHC SCH  
CHC OF PCPN (%).10 10 20 20 20 20 30 20 70 60 30 20  
CHC OF THDR (%).10 10 10 10 10 20 20 20 60 60 30 20  
TEMP............70 69 71 75 81 84 85 87 89 88 89 86  
RH..............100 100 100 100 88 80 75 70 64 66 64 70  
HEAT INDEX (F)..70 69 71 75 88 94 94 98 99 98 99 95  
WIND CHILL (F)..70 69 71 75 88 94 94 98 99 98 99 95  
20 FT WIND DIR..N N N N S SW SW SW SW SW SW SW  
20 FT WIND SPD..0 0 0 0 1 2 2 2 3 3 2 2  
20 FT WIND GUST.2 2 2 3 5 6 7 9 9 10 10 9  
MIX HGT (KFT)...0.4 0.4 0.4 1.2 2.0 2.8 3.2 3.6 4.0 3.7 3.5 3.2  
TRANSP WIND DIR.S S S S SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.5 5 5 5 6 7 7 7 7 7 7 7  
DISPERSION IDX..2 2 4 8 15 25 28 31 32 31 32 30  
LVORI...........10 10 9 8 5 3 3 3 2 3 2 3  
 
 
FORECASTER...CORLESS  
REQUESTED BY...TYLER BELL  
TYPE OF REQUEST...WILDFIRE  
.TAG 2620394.0/JAX  
.DELDT 08/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL TYLER_BELL@FWS.GOV  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab FL Page
The Nexlab GA Page
Main Text Page