517
WWUS72 KCHS 172338
NPWCHS
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
738 PM EDT MON AUG 17 2026
GAZ217-219-239>241-SCZ045-148>152-180745-
/O.EXP.KCHS.XH.W.0007.000000T0000Z-260818T0000Z/
/O.CON.KCHS.XH.W.0008.260818T1500Z-260819T0000Z/
COASTAL BRYAN-COASTAL CHATHAM-COASTAL LIBERTY-INLAND MCINTOSH-
COASTAL MCINTOSH-INLAND BERKELEY-BEAUFORT-COASTAL COLLETON-
CHARLESTON-COASTAL JASPER-TIDAL BERKELEY-
INCLUDING THE CITIES OF OAK LEVEL, JASPER, LEVY, HILTON HEAD ISLAND,
TOWNSEND, WILMINGTON ISLAND, CHARLESTON, FORT MCALLISTER, EDISTO
BEACH, NORTH CHARLESTON, GOOSE CREEK, DANIEL ISLAND, MONCKS CORNER,
MOUNT PLEASANT, CHELSEA, TYBEE ISLAND, DARIEN, AND BEAUFORT
738 PM EDT MON AUG 17 2026
..EXTREME HEAT WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT
TUESDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 117
EXPECTED.
* WHERE...PORTIONS OF SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
* WHEN...FROM 11 AM TO 8 PM EDT TUESDAY.
* 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 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.
GAZ101-216-218-238-SCZ044-147-180745-
/O.EXP.KCHS.HT.Y.0024.000000T0000Z-260818T0000Z/
/O.CON.KCHS.XH.W.0008.260818T1500Z-260819T0000Z/
EFFINGHAM-INLAND BRYAN-INLAND CHATHAM-INLAND LIBERTY-DORCHESTER-
INLAND JASPER-
INCLUDING THE CITIES OF SAVANNAH, SUMMERVILLE, FORT STEWART, SAINT
GEORGE, POOLER, RINCON, HINESVILLE, GARDEN CITY, RIDGELAND, PEMBROKE,
SPRINGFIELD, AND RICHMOND HILL
738 PM EDT MON AUG 17 2026
..HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT
TUESDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 115
EXPECTED.
* WHERE...IN GEORGIA, EFFINGHAM, INLAND BRYAN, INLAND CHATHAM, AND
INLAND LIBERTY COUNTIES. IN SOUTH CAROLINA, DORCHESTER AND INLAND
JASPER COUNTIES.
* WHEN...FROM 11 AM TO 8 PM EDT TUESDAY.
* 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 SOME 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.
GAZ087-088-099-100-114-115-137-SCZ040-042-043-180745-
/O.EXP.KCHS.HT.Y.0024.000000T0000Z-260818T0000Z/
/O.CON.KCHS.HT.Y.0025.260818T1500Z-260819T0000Z/
JENKINS-SCREVEN-CANDLER-BULLOCH-TATTNALL-EVANS-LONG-ALLENDALE-
HAMPTON-INLAND COLLETON-
INCLUDING THE CITIES OF SYLVANIA, METTER, YEMASSEE, MILLEN, LUDOWICI,
CLAXTON, WALTERBORO, HAMPTON, STATESBORO, ALLENDALE, AND REIDSVILLE
738 PM EDT MON AUG 17 2026
..HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING
..HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT TUESDAY
* WHAT...HEAT INDEX VALUES UP TO 112 EXPECTED.
* WHERE...PORTIONS OF SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
* WHEN...FROM 11 AM TO 8 PM EDT TUESDAY.
* 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.
BRS
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page