625
WWUS72 KCHS 180614
NPWCHS
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
214 AM EDT TUE AUG 18 2026
GAZ101-216>219-238>241-SCZ044-045-147>152-181415-
/O.CON.KCHS.XH.W.0008.260818T1500Z-260819T0000Z/
EFFINGHAM-INLAND BRYAN-COASTAL BRYAN-INLAND CHATHAM-COASTAL
CHATHAM-INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH-COASTAL
MCINTOSH-DORCHESTER-INLAND BERKELEY-INLAND JASPER-BEAUFORT-
COASTAL COLLETON-CHARLESTON-COASTAL JASPER-TIDAL BERKELEY-
INCLUDING THE CITIES OF SPRINGFIELD, MONCKS CORNER, HINESVILLE,
PEMBROKE, GOOSE CREEK, BEAUFORT, OAK LEVEL, CHELSEA, DANIEL ISLAND,
FORT STEWART, DARIEN, FORT MCALLISTER, RICHMOND HILL, MOUNT PLEASANT,
SAVANNAH, LEVY, JASPER, EDISTO BEACH, TOWNSEND, HILTON HEAD ISLAND,
GARDEN CITY, WILMINGTON ISLAND, NORTH CHARLESTON, TYBEE ISLAND,
SUMMERVILLE, POOLER, CHARLESTON, RINCON, SAINT GEORGE, AND RIDGELAND
214 AM EDT TUE AUG 18 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM EDT THIS EVENING...
* WHAT...FOR THE EXTREME HEAT WARNING, DANGEROUSLY HOT CONDITIONS
WITH HEAT INDEX VALUES UP TO 113 TO 119 EXPECTED.
* WHERE...PORTIONS OF SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
* WHEN...FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...ISOLATED SHOWERS AND THUNDERSTORMS DURING THE
AFTERNOON HOURS COULD PROVIDE RELIEF TO A FEW AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
GAZ087-088-099-100-114-115-137-SCZ040-042-043-181415-
/O.CON.KCHS.HT.Y.0025.260818T1500Z-260819T0000Z/
JENKINS-SCREVEN-CANDLER-BULLOCH-TATTNALL-EVANS-LONG-ALLENDALE-
HAMPTON-INLAND COLLETON-
INCLUDING THE CITIES OF STATESBORO, ALLENDALE, HAMPTON, LUDOWICI,
YEMASSEE, MILLEN, CLAXTON, SYLVANIA, REIDSVILLE, METTER, AND
WALTERBORO
214 AM EDT TUE AUG 18 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM
EDT THIS EVENING...
* WHAT...HEAT INDEX VALUES UP TO 108 TO 112 EXPECTED.
* WHERE...PORTIONS OF SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
* WHEN...FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
* ADDITIONAL DETAILS...ISOLATED SHOWERS AND THUNDERSTORMS DURING THE
AFTERNOON HOURS COULD PROVIDE RELIEF IN SOME AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DPB
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