TODAY’S WEATHER FORECAST: Wednesday August 12th, 2026

Heat Advisory

URGENT – WEATHER MESSAGE
National Weather Service Wilmington NC
1:57 AM EDT Wed Aug 12 2026

Bladen-Columbus-Inland New Hanover-Coastal New Hanover-Inland Brunswick-Coastal Brunswick-Coastal Horry-
Central Horry-Northern Horry Counties

Including the cities of Lake Waccamaw, Wilmington, Red Hill, Loris, Little River, Tabor City, Shallotte, Leland, Bladenboro, Chadbourn, Myrtle Beach, Murrells Inlet, Sunset Beach, Garden City, Whiteville, Long Beach, Boiling Spring Lakes, Socastee, Conway, North Myrtle Beach, Southport, and Oak Island

HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING…

* WHAT…Heat index values up to 105 expected.

* WHERE…Portions of southeast North Carolina and northeast South Carolina.

* WHEN…From noon today 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 Forecast

Today
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 102. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 94. Heat index values as high as 107. Calm wind becoming south 5 to 9 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 81. Southwest wind around 7 mph.
Friday
Sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 80.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 90.
Monday
Sunny, with a high near 93.

Columbus County Forecast

Today
Sunny, with a high near 96. Heat index values as high as 103. Light west wind.
Tonight
A slight chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 73. Calm wind. Chance of precipitation is 20%.
Thursday
Sunny and hot, with a high near 99. Heat index values as high as 108. Light southwest wind.
Thursday Night
Partly cloudy, with a low around 77. Calm wind.
Friday
Mostly sunny and hot, with a high near 100.
Friday Night
Partly cloudy, with a low around 77.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 94.
Monday
Sunny and hot, with a high near 99.

Horry County Forecast

Today
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 103. West wind 5 to 8 mph becoming south in the afternoon. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 76. South wind 3 to 7 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 95. Heat index values as high as 110. Light and variable wind becoming south 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 79. South wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 96.
Friday Night
Partly cloudy, with a low around 79.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78. Chance of precipitation is 30%
Sunday
Mostly sunny, with a high near 88.
Monday
Sunny, with a high near 93.