532 WWUS72 KCHS 161811 NPWCHS URGENT - WEATHER MESSAGE National Weather Service Charleston SC 211 PM EDT Sun Aug 16 2026 GAZ217-219-239>241-SCZ045-148>152-170215- /O.NEW.KCHS.XH.W.0007.260817T1500Z-260818T0000Z/ /O.CON.KCHS.HT.Y.0023.000000T0000Z-260817T0000Z/ Coastal Bryan-Coastal Chatham-Coastal Liberty-Inland McIntosh- Coastal McIntosh-Inland Berkeley-Beaufort-Coastal Colleton- Charleston-Coastal Jasper-Tidal Berkeley- Including the cities of Charleston, Mount Pleasant, Chelsea, Hilton Head Island, Oak Level, Darien, Edisto Beach, Jasper, Wilmington Island, Moncks Corner, Goose Creek, North Charleston, Fort Mcallister, Levy, Beaufort, Townsend, Daniel Island, and Tybee Island 211 PM EDT Sun Aug 16 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM EDT MONDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values of 108 to 111 degrees expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...For the Heat Advisory, until 8 PM EDT this evening. For the Extreme Heat Warning, from 11 AM to 8 PM EDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Isolated to scattered showers and thunderstorms during the afternoon 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ GAZ087-088-099>101-114-115-137-216-218-238-SCZ040-042>044-147-170215- /O.NEW.KCHS.HT.Y.0024.260817T1500Z-260818T0000Z/ /O.CON.KCHS.HT.Y.0023.000000T0000Z-260817T0000Z/ Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans-Long- Inland Bryan-Inland Chatham-Inland Liberty-Allendale-Hampton- Inland Colleton-Dorchester-Inland Jasper- Including the cities of Allendale, Statesboro, Ridgeland, Hinesville, Garden City, Walterboro, Metter, Millen, Pooler, Hampton, Claxton, Summerville, Yemassee, Sylvania, Saint George, Ludowici, Fort Stewart, Rincon, Reidsville, Savannah, Richmond Hill, Pembroke, and Springfield 211 PM EDT Sun Aug 16 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT MONDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values of 108 to 112 degrees expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ ACD