URGENT – WEATHER MESSAGE
National Weather Service Wilmington NC
219 AM EDT Sat Jul 18 2026
Robeson-Bladen-Columbus-Inland New Hanover-
Coastal New Hanover-Inland Brunswick-Coastal Brunswick-
Coastal Horry-Central Horry-Northern Horry Counties
Including the cities of Socastee, Garden City, Boiling Spring Lakes,
Little River, Elizabethtown, Leland, Lake Waccamaw,
Carolina Beach, North Myrtle Beach, Sunset Beach, Tabor City,
Bladenboro, Lumberton, Loris, Conway, Myrtle Beach,
Southport, Oak Island, Ogden, Whiteville, Shallotte, Murrells Inlet,
Chadbourn, Wilmington, Masonboro, Myrtle Grove, and Surf City,
219 AM EDT Sat Jul 18 2026
HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS
EVENING…
* WHAT…Heat index values up to 108 expected.
* WHERE…Portions of southeast North Carolina and northeast South
Carolina.
* WHEN…From 11 AM this morning to 8 PM EDT this evening.
* 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.
Brunswick County Detailed Forecast
Today
Mostly sunny, with a high near 91. Heat index values as high as 103. South wind 6 to 14 mph.
Tonight
Mostly clear, with a low around 81. Southwest wind 13 to 15 mph, with gusts as high as 21 mph.
Sunday
A slight chance of showers and thunderstorms between 2pm and 4pm. Mostly sunny, with a high near 92. Heat index values as high as 107. Southwest wind 11 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Southwest wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 91. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 80. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Columbus County Detailed Forecast
Today
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 107. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 77. South wind 5 to 8 mph, with gusts as high as 15 mph.
Sunday
A slight chance of showers before 7am, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Southwest wind 5 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Light southwest wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Tuesday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 40%.
Tuesday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Wednesday
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Horry County Detailed Forecast
Today
Sunny, with a high near 91. Heat index values as high as 106. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 23 mph.
Tonight
Mostly clear, with a low around 80. Southwest wind 10 to 15 mph, with gusts as high as 21 mph.
Sunday
A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 93. Heat index values as high as 109. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 79. Southwest wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 91. Chance of precipitation is 40%.
Monday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 80.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.
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