538  
FNUS72 KJAX 270742  
FWSJAX  
 
SPOT FORECAST FOR DUNNELLON HS GRADUATION...MARION COUNTY PUBLIC SCHOOLS  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
342 AM EDT WED MAY 27 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1700 EDT ON MAY 28.  
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
 
 
THE GULF SEA BREEZE WILL PUSH INTO THE DUNNELLON AREA EARLIER ON  
THURSDAY, AROUND 2-3 PM. SHOWERS AND ISOLATED THUNDERSTORMS ARE  
LIKELY WITH THE SEA BREEZE BUT THAT ACTIVITY WILL SHIFT EAST BY  
5-6 PM WITH LESS SHOWER ACTIVITY THEREAFTER. CANNOT RULE OUT  
SHOWERS DURING THE EVENING HOURS, BUT THUNDERSTORM POTENTIAL WILL  
BE LOW. SIMILAR TRENDS IN SHOWER AND THUNDERSTORM ACTIVITY IS  
EXPECTED FRIDAY - EARLY AFTERNOON WILL BE THE BEST CHANCES WITH  
DECREASING CHANCES AFTER 5 PM.  
 
   
6 PM THURSDAY
 
 
TIME (EDT) 5PM  
SKY (%).........91  
WEATHER COV.....LKY  
WEATHER TYPE....RW  
TSTM COV........LKY  
CHC OF PCPN (%).70  
CHC OF THDR (%).60  
TEMP............85  
RH..............72  
HEAT INDEX (F)..94  
SURFACE WND DIR.W  
SURFACE WND SPD.8  
SURFACE WND GST.13  
TRANSP WIND DIR.W  
TRANSP WIND SPD.10  
   
THURSDAY NIGHT
 
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........91 91 39 39 50 64 61 58 56 60 65 70  
WEATHER COV.....LKY SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC SCH  
CHC OF PCPN (%).40 20 20 20 20 20 20 20 20 20 20 20  
CHC OF THDR (%).60 20 10 10 10 10 10 10 10 10 10 10  
TEMP............84 83 80 78 77 76 75 75 74 74 73 73  
RH..............72 77 82 85 88 90 94 90 93 93 93 93  
HEAT INDEX (F)..91 90 85 78 77 76 75 75 74 74 73 73  
SURFACE WND DIR.W W W W N N N N N N N N  
SURFACE WND SPD.8 6 3 1 0 0 0 0 0 0 0 0  
SURFACE WND GST.12 10 8 6 5 3 3 3 3 3 3 3  
TRANSP WIND DIR.W W W W W W W SW SW SW SW SW  
TRANSP WIND SPD.10 9 9 8 8 7 7 6 6 6 5 5  
   
FRIDAY
 
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........71 72 73 69 65 61 65 69 78 78 78 78  
WEATHER COV.....SCH SCH CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ CHC CHC CHC LKY LKY LKY CHC  
CHC OF PCPN (%).20 20 30 30 30 30 30 30 60 60 60 60  
CHC OF THDR (%).10 10 10 10 10 30 30 30 60 60 60 50  
TEMP............73 74 74 78 81 84 85 86 86 86 86 86  
RH..............97 93 97 88 82 77 75 72 72 72 70 70  
HEAT INDEX (F)..73 74 74 78 87 93 94 96 96 96 95 95  
SURFACE WND DIR.N N N N W W W W W W W W  
SURFACE WND SPD.0 0 0 0 1 2 3 5 6 6 6 6  
SURFACE WND GST.3 2 2 3 5 6 8 9 12 13 14 14  
TRANSP WIND DIR.SW W W W W W W W W W W W  
TRANSP WIND SPD.5 6 6 7 8 9 9 10 10 12 12 12  
 

 
FORECASTER...BOOTHE  
REQUESTED BY...JOHN BARATTINI  
TYPE OF REQUEST...OTHER  
.TAG 2614482.0/JAX  
.DELDT 05/27/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JOHN.BARATTINI@MARION.K12.FL.US  
 
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