721  
FNUS72 KJAX 301439  
FWSJAX  
 
SPOT FORECAST FOR BRANTLEY TEST...NWS JAX  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
1039 AM EDT WED SEP 30 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1100 EDT ON SEPTEMBER 30.  
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  
 
CHANCE FOR SHOWERS TO DEVELOP THROUGH THIS AFTERNOON WITH A  
SLIGHT CHANCE FOR THUNDERSTORMS (~20%) IN THE VICINITY OF  
BRANTLEY COUNTY BY AROUND 2 TO 3 PM. DRY WEATHER CONDITIONS ARE  
EXPECTED TO BE IN PLACE BEFORE THIS EVENING AND THROUGH INTO  
THURSDAY, WITH A POTENTIAL FOR PATCHY FOG DURING THE EARLY MORNING  
HOURS. VERY SLIGHT CHANCE FOR SHOWERS TO DEVELOP ON THURSDAY  
AFTERNOON.  
   
REST OF TODAY  
 
TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........23 33 45 51 51 50 45  
WEATHER COV..... SCH SCH CHC CHC SCH  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ SCH SCH  
CHC OF PCPN (%).10 20 20 30 30 20 10  
CHC OF THDR (%).10 10 10 20 20 20 10  
TEMP............86 89 90 90 90 89 87  
RH..............59 52 49 47 47 50 53  
HEAT INDEX (F)..91 94 94 93 93 93 91  
WIND CHILL (F)..91 94 94 93 93 93 91  
SURFACE WND DIR.E E E E E E E  
SURFACE WND SPD.6 6 6 7 8 8 9  
SURFACE WND GST.9 9 9 10 13 13 14  
TRANSP WIND DIR.E E E E E E E  
TRANSP WIND SPD.7 6 6 7 8 9 10  
   
TONIGHT  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........36 25 18 14 15 16 17 19 23 29 33 38  
WEATHER COV..... PTY  
WEATHER TYPE.... FOG  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 10 0 0 0 0 0 0 0  
CHC OF THDR (%).10 0 0 0 0 0 0 0 0 0 0 0  
TEMP............85 82 77 74 72 71 70 69 69 68 68 67  
RH..............57 67 79 87 93 97 100 100 100 100 100 100  
HEAT INDEX (F)..88 86 77 74 72 71 70 69 69 68 68 67  
WIND CHILL (F)..88 86 77 74 72 71 70 69 69 68 68 67  
SURFACE WND DIR.E E E E E E E E E E NE NE  
SURFACE WND SPD.9 8 7 5 3 2 2 2 2 1 1 1  
SURFACE WND GST.14 13 10 7 6 3 3 3 3 2 2 2  
TRANSP WIND DIR.E E E E E E E E E E E E  
TRANSP WIND SPD.10 10 10 10 9 8 7 7 6 5 5 5  
   
THURSDAY  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........39 40 40 37 37 41 46 50 54 48 39 39  
WEATHER COV.....PTY PTY PTY SCH  
WEATHER TYPE....FOG FOG FOG RW  
TSTM COV........ SCH  
CHC OF PCPN (%).0 0 0 0 0 10 10 10 20 10 10 10  
CHC OF THDR (%).0 0 0 0 0 10 10 10 20 10 10 10  
TEMP............67 67 68 74 79 84 87 89 89 89 89 87  
RH..............100 100 100 93 82 70 63 59 57 57 57 61  
HEAT INDEX (F)..67 67 68 74 79 90 94 97 96 96 96 94  
WIND CHILL (F)..67 67 68 74 79 90 94 97 96 96 96 94  
SURFACE WND DIR.NE NE NE E E E E E E E E E  
SURFACE WND SPD.1 2 2 1 2 3 5 5 6 7 7 7  
SURFACE WND GST.2 3 3 5 6 9 10 12 12 14 16 17  
TRANSP WIND DIR.E E E E E SE SE SE SE SE SE SE  
TRANSP WIND SPD.5 5 6 7 8 8 9 9 8 9 9 9  
 
 
FORECASTER...CORLESS  
REQUESTED BY...A ENYEDI  
TYPE OF REQUEST...OTHER  
.TAG 2622835.0/JAX  
.DELDT 09/30/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ANGELA.ENYEDI@NOAA.GOV  
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