673
FNUS72 KJAX 271151
FWSJAX
SPOT FORECAST FOR BILLYS ISLAND FIRE...USWFS
NATIONAL WEATHER SERVICE JACKSONVILLE FL
751 AM EDT WED MAY 27 2026
FORECAST IS BASED ON FORECAST START TIME OF 1000 EDT ON MAY 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
WINDS WILL BE FROM THE SOUTH THROUGH THE MORNING HOURS, SHIFTING
TO BE FROM THE SOUTHWEST AS THE SEA BREEZE BEGIN TO PUSH IN. PEAK
GUSTS WILL BE AROUND 10 MPH WITH OCCASIONAL GUSTS NEAR 15 MPH.
CHANCES OF SHOWERS INCREASE DURING THE MID AFTERNOON WITH THE
HIGHEST CHANCES DURING THE LATE AFTERNOON TO EARLY EVENING HOURS
TODAY. A STRAY STORM CANNOT BE RULED OUT AS THE SEA BREEZES MERGE
DURING THE LATE AFTERNOON. OTHERWISE, TEMPERATURES WILL BE IN THE
UPPER 80S,POSSIBLY CROSSING INTO THE LOWER 90S BEFORE THE ARRIVAL
OF THE GULF BREEZE. SIMILAR PATTERN IS EXPECTED ON THURSDAY, BUT
WITH WINDS BEING PRIMARILY FROM THE SOUTHWEST, WHICH WOULD KEEP
SHOWER AND STORM CHANCES AGAIN DURING THE LATER PART OF THE
AFTERNOON.
REST OF TODAY
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........56 50 56 64 70 68 72 80
WEATHER COV..... CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW
TSTM COV........ CHC CHC CHC CHC
CHC OF PCPN (%).0 10 10 10 30 30 50 50
CHC OF THDR (%).0 10 10 10 30 30 40 50
TEMP............81 83 85 88 88 88 89 88
RH..............79 74 67 61 59 59 57 57
HEAT INDEX (F)..86 90 92 96 95 95 96 94
20 FT WIND DIR..S S S S S SW SW SW
20 FT WIND SPD..3 6 6 6 6 5 5 5
20 FT WIND GUST.10 10 10 10 12 12 10 10
MIX HGT (KFT)...2.3 3.1 3.8 4.3 4.6 4.5 4.0 3.4
TRANSP WIND DIR.S S S S S S S S
TRANSP WIND SPD.12 12 10 10 9 9 8 8
DISPERSION IDX..33 44 49 54 49 48 39 33
LVORI...........3 3 1 1 1 1 1 1
TONIGHT
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........79 58 52 39 59 73
WEATHER COV.....CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR NONE NONE NONE NONE
TSTM COV........CHANCE CHANCE
CHC OF PCPN (%).50 30 10 0 0 10
CHC OF THDR (%).50 30 10 0 0 0
TEMP............86 79 74 73 72 70
RH..............63 82 97 93 93 97
HEAT INDEX (F)..92 79 74 73 72 70
20 FT WIND......SW 3 S 3 N 0 N 0 N 0 N 0
20 FT WIND GUST.8 5 3 2 2 3
MIX HGT (FT)....2400 700 400 400 400 400
TRANSPORT WIND..SW 7 SW 6 SW 6 SW 5 S 5 SW 5
DISPERSION IDX..21 3 3 2 2 2
LVORI...........2 5 8 8 7 7
THURSDAY
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........74 76 70 81
WEATHER COV..... LIKELY
WEATHER TYPE....NONE NONE NONE RNSHWR
TSTM COV........ CHANCE
CHC OF PCPN (%).0 10 10 60
CHC OF THDR (%).0 10 10 50
TEMP............70 74 84 86
RH..............93 93 67 63
HEAT INDEX (F)..70 74 90 92
20 FT WIND......N 0G3 N 0G5 SW 3G9 SW 3G12
MIX HGT (FT)....400 1300 3200 4200
TRANSPORT WIND..SW 5 SW 6 SW 8 SW 8
DISPERSION IDX..2 9 29 34
LVORI...........7 6 3 1
FORECASTER...CRUZ
REQUESTED BY...ANDY HEISEY
TYPE OF REQUEST...WILDFIRE
.TAG 2614536.0/JAX
.DELDT 05/27/26
.FORMATTERVERSION 2.0.0
.EMAIL ROBERT_HEISEY@FWS.GOV
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