849  
FNUS72 KJAX 270404  
FWSJAX  
 
SPOT FORECAST FOR COMPARTMENT 3 RX...USWFS  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
1204 AM EDT SAT JUN 27 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON JUNE 27.  
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
 
 
HIGH PRESSURE WILL SLOWLY SINK SOUTH OF THE AREA THIS WEEKEND. A  
TROUGH OF LOW PRESSURE WILL SINK INTO THE REGION EARLY IN THE WEEK,  
BRINGING ABOVE AVERAGE CHANCES FOR STORMS. HIGH PRESSURE WILL BUILD  
TO THE NORTHEAST MID WEEK.  
   
REST OF TODAY
 
 
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........12 17 31 31 46 38 53 50  
WEATHER COV..... SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH  
CHC OF PCPN (%).0 0 10 10 20 20 20 20  
CHC OF THDR (%).0 0 10 10 20 20 20 20  
TEMP............84 87 89 91 92 93 93 92  
RH..............72 65 61 56 54 52 52 54  
HEAT INDEX (F)..91 95 98 100 101 102 102 101  
WIND CHILL (F)..91 95 98 100 101 102 102 101  
20 FT WIND DIR..W W W W W W W W  
20 FT WIND SPD..2 3 5 5 5 5 5 5  
20 FT WIND GUST.6 7 8 8 8 8 8 7  
MIX HGT (KFT)...2.4 3.3 3.8 4.3 4.8 4.2 3.6 3.0  
TRANSP WIND DIR.W W W W W W W W  
TRANSP WIND SPD.7 8 8 9 9 8 8 7  
DISPERSION IDX..22 35 40 48 53 44 37 28  
LVORI...........3 2 1 1 1 1 1 2  
   
TONIGHT
 
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........46 28 29 29 11 19 19 12 7 4 4 1  
WEATHER COV.....SCH SCH SCH  
WEATHER TYPE....RW RW RW  
TSTM COV........SCH SCH SCH  
CHC OF PCPN (%).20 20 10 20 10 0 0 0 0 0 0 0  
CHC OF THDR (%).20 20 10 20 10 0 0 0 0 0 0 0  
TEMP............90 88 83 80 78 77 76 75 75 75 73 73  
RH..............60 63 74 82 85 87 90 94 90 90 97 97  
HEAT INDEX (F)..99 97 90 84 78 77 76 75 75 75 73 73  
WIND CHILL (F)..99 97 90 84 78 77 76 75 75 75 73 73  
20 FT WIND DIR..W SW SW SW S S S N N N SW SW  
20 FT WIND SPD..3 2 2 1 1 1 1 0 0 0 1 1  
20 FT WIND GUST.6 5 3 2 3 3 3 2 3 2 3 3  
MIX HGT (KFT)...2.3 1.6 0.9 0.7 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.W SW SW SW SW S SW SW SW SW W W  
TRANSP WIND SPD.6 6 6 6 6 7 7 7 7 7 7 7  
DISPERSION IDX..20 12 3 3 3 3 3 3 3 3 3 3  
LVORI...........2 2 3 4 5 6 6 6 6 6 7 8  
   
SUNDAY
 
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........2 9 8 7 2 0 2 10 22 26 21 17  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 10 10 10 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 10 10 10 0  
TEMP............72 73 75 79 85 88 90 93 94 94 96 94  
RH..............100 97 97 91 75 68 62 54 51 51 46 49  
HEAT INDEX (F)..72 73 75 79 94 99 101 103 103 103 105 102  
WIND CHILL (F)..72 73 75 79 94 99 101 103 103 103 105 102  
20 FT WIND DIR..SW W W W W W W W W W W W  
20 FT WIND SPD..1 1 1 1 2 2 2 2 2 2 2 2  
20 FT WIND GUST.3 3 5 5 6 7 7 7 8 8 8 8  
MIX HGT (KFT)...0.6 0.7 0.8 1.8 2.8 3.8 4.3 4.8 5.4 5.4 5.5 5.5  
TRANSP WIND DIR.W W W W W W W W W W W W  
TRANSP WIND SPD.7 7 8 8 8 8 8 8 9 9 9 9  
DISPERSION IDX..3 3 8 19 29 40 46 52 60 62 63 64  
LVORI...........8 8 6 4 3 2 1 1 1 1 1 1  
 

 
FORECASTER...STRUBLE  
REQUESTED BY...SAM JERMAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2616256.0/JAX  
.DELDT 06/27/26  
.FORMATTERVERSION 2.0.0  
.EMAIL SAMUEL_JERMAN@FWS.GOV  
 
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