844 WWUS72 KILM 210636 NPWILM URGENT - WEATHER MESSAGE National Weather Service Wilmington NC 236 AM EDT Tue Jul 21 2026 NCZ087-096-099-105>110-SCZ017-024-033-054-058-059-212300- /O.NEW.KILM.HT.Y.0019.260721T1500Z-260721T2300Z/ Robeson-Bladen-Columbus-Inland Pender-Coastal Pender-Inland New Hanover-Coastal New Hanover-Inland Brunswick-Coastal Brunswick- Marlboro-Dillon-Marion-Coastal Horry-Central Horry-Northern Horry- Including the cities of Long Beach, Whiteville, Lumberton, Socastee, Seagate, Leland, Loris, Wilmington, Oak Island, Conway, Red Hill, Surf City, Burgaw, Garden City, Ogden, Southport, Bladenboro, Myrtle Beach, McColl, North Myrtle Beach, Aynor, Myrtle Grove, Elizabethtown, Dillon, Chadbourn, Bennettsville, Tabor City, Marion, Little River, Boiling Spring Lakes, Shallotte, Masonboro, Lake Waccamaw, Sunset Beach, Mullins, and Carolina Beach 236 AM EDT Tue Jul 21 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 107 expected. * WHERE...Portions of southeast North Carolina and northeast South Carolina. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...The potential exists that showers and thunderstorms developing along the sea breeze will produce enough rain and cloud cover to prevent portions of the advisory area from reaching a heat index of 105F or greater. 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ ABW