TODAY’S WEATHER FORECAST: Monday July 20th

URGENT – WEATHER MESSAGE
National Weather Service Wilmington NC
2:30 AM EDT Monday July 20 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,

2:30 AM EDT Monday July 20 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.

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.

Brunswick County Detailed Forecast

Today

Partly sunny, with a high near 92. Heat index values as high as 105. Southwest wind 7 to 13 mph.

Tonight

Partly cloudy, with a low around 80. South wind around 10 mph, with gusts as high as 15 mph.

Tuesday

A chance of showers and thunderstorms, mainly between noon and 2pm. Mostly sunny, with a high near 91. Heat index values as high as 105. Southwest wind 11 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 81. South wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Southwest wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 78. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Thursday

Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.

Thursday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

Friday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.

Saturday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

Columbus County Detailed Forecast

Today

A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 96. Heat index values as high as 105. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 76. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 95. Heat index values as high as 106. Southwest wind 5 to 10 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.

Tuesday Night

A slight chance of showers after 2am. Mostly cloudy, with a low around 78. South wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Wednesday

A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 96. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely, mainly between 8pm and 11pm, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 74. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

Thursday

Showers and possibly a thunderstorm. High near 89. Chance of precipitation is 80%.

Thursday Night

Showers and possibly a thunderstorm. Low around 70. Chance of precipitation is 80%.

Friday

Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.

Saturday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

Horry County Detailed Forecast

Today

Partly sunny, with a high near 92. Heat index values as high as 107. South wind 7 to 16 mph.

Tonight

Partly cloudy, with a low around 80. South wind 9 to 13 mph, with gusts as high as 18 mph.

Tuesday

A slight chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 91. Heat index values as high as 106. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Chance of precipitation is 20%.

Tuesday Night

Mostly cloudy, with a low around 81. South wind 13 to 17 mph, with gusts as high as 24 mph.

Wednesday

Mostly sunny, with a high near 92. Breezy, with a southwest wind 11 to 21 mph, with gusts as high as 28 mph.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.

Thursday Night

Showers and thunderstorms likely 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 76. Chance of precipitation is 60%.

Friday

A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.

Saturday

Showers and thunderstorms likely. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.