323  
FNUS72 KCHS 211940  
FWSCHS  
 
SPOT FORECAST FOR SC-HM4 MONTHLY HAZMAT TEAM TRAINING...HILTON HEAD ISLAND FIRE RESCUE  
NATIONAL WEATHER SERVICE CHARLESTON SC  
340 PM EDT MON SEP 21 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 EDT ON SEPTEMBER 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
AN ONSHORE WIND WILL PERSIST INTO LATE AFTERNOON HOURS BEHIND A  
A SEABREEZE THAT CONTINUES TO PROGRESS INLAND. THIS WILL ALSO  
KEEP SHOWER AND THUNDERSTORM ACTIVITY INLAND FOR THE REMAINDER  
OF THE DAY WITH NO DIRECT IMPACTS EXPECTED AT THE SPOT LOCATION.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 85.  
MIN HUMIDITY........67 PERCENT.  
MAX APPARENT TEMP...92.  
SURFACE WINDS (MPH).EAST WINDS 6 TO 7 MPH.  
VISIBILITY..........10.  
 
TIME (EDT) 4PM 5PM  
SKY (%).........38 32  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10  
TEMP............85 84  
RH..............67 70  
APARNT TMP (F)..92 90  
SURFACE WND DIR.E E  
SURFACE WND SPD.7 6  
SURFACE WND GST.14 14  
VISIBILITY (SM).10 10  
 

 
FORECASTER...BERRY  
REQUESTED BY...BC JONATHAN BILLS  
TYPE OF REQUEST...OTHER  
.TAG 2622266.0/CHS  
.DELDT 09/21/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JONATHANB@HILTONHEADISLANDSC.GOV  
 
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