Heat Advisory — Robeson, NC, Bladen, NC, Columbus, NC, Inland Pender, NC, Coastal Pender, NC, Inland New Hanover, NC, Coastal New Hanover, NC, Inland Brunswick, NC, Coastal Brunswick, NC, Marlboro, SC, Dillon, SC, Marion, SC, Coastal Horry, SC, Central Horry, SC, Northern Horry, SC 6:00 PM Beach Hazards Statement — Coastal Pender, NC, Coastal New Hanover, NC, Coastal Horry, SC, Coastal Georgetown, SC 7:00 PM

North Myrtle Beach, South Carolina

Last updated: 5:32 PM CDT  ·  Refresh
30°C
Feels like 36°
Mostly Clear
▲ 32°  /  ▼ 28°
Wind
22 mph SSW
Humidity
72%
Dew Point
25°
Pressure
29.92 inHg
Visibility
10 mi
UV Index
4.7
Cloud Cover
16%
Sunrise
6:19 AM
Sunset
8:23 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: North Myrtle Beach is currently mostly clear at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2970 J/kg) — isolated convective development possible. Sunrise: 6:19AM · Sunset: 8:23PM.

Alerts

Heat Advisory
Robeson, NC, Bladen, NC, Columbus, NC, Inland Pender, NC, Coastal Pender, NC, Inland New Hanover, NC, Coastal New Hanover, NC, Inland Brunswick, NC, Coastal Brunswick, NC, Marlboro, SC, Dillon, SC, Marion, SC, Coastal Horry, SC, Central Horry, SC, Northern Horry, SC
Expires 6:00 PM
Beach Hazards Statement
Coastal Pender, NC, Coastal New Hanover, NC, Coastal Horry, SC, Coastal Georgetown, SC
Expires 7:00 PM
38 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
6%
7 PM
31°
23%
8 PM
30°
23%
9 PM
29°
26%
10 PM
29°
26%
11 PM
29°
26%
12 AM
29°
26%
1 AM
29°
28%
2 AM
28°
9%
3 AM
28°
21%
4 AM
28°
21%
5 AM
28°
37%
6 AM
28°
41%
7 AM
28°
47%
8 AM
29°
36%
9 AM
30°
32%
10 AM
30°
29%
11 AM
31°
29%
12 PM
31°
20%
1 PM
32°
16%
2 PM
32°
17%
3 PM
32°
17%
4 PM
32°
17%
5 PM
31°
17%
7-Day Forecast
Tonight
32° 28°
Mostly Clear with a 26% chance of rain.
Wed
33° 28°
Mostly Cloudy with a 41% chance of rain.
Thu
32° 27°
Rain, 77% chance.
Fri
30° 26°
Mostly Cloudy with a 79% chance of rain.
Sat
29° 24°
Rain, 90% chance.
Sun
32° 23°
Rain, 82% chance.
Mon
33° 25°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 30° Mostly Clear 6% 22 mph SSW 72%
7 PM 31° Partly Cloudy 23% 21 mph SSW 73%
8 PM 30° Partly Cloudy 23% 20 mph SSW 76%
9 PM 29° Partly Cloudy 26% 20 mph SSW 78%
10 PM 29° Mostly Cloudy 26% 20 mph SSW 79%
11 PM 29° Mostly Cloudy 26% 20 mph SSW 80%
12 AM 29° Mostly Cloudy 26% 20 mph SSW 80%
1 AM 29° Mostly Cloudy 28% 20 mph SSW 81%
2 AM 28° Overcast 9% 18 mph SSW 81%
3 AM 28° Overcast 21% 17 mph SSW 82%
4 AM 28° Overcast 21% 17 mph SSW 83%
5 AM 28° Overcast 37% 16 mph SSW 84%
6 AM 28° Overcast 41% 16 mph SSW 84%
7 AM 28° Overcast 47% 15 mph SSW 83%
8 AM 29° Overcast 36% 15 mph SSW 81%
9 AM 30° Overcast 32% 15 mph SSW 78%
10 AM 30° Mostly Cloudy 29% 16 mph SSW 75%
11 AM 31° Mostly Cloudy 29% 16 mph SSW 73%
12 PM 31° Mostly Cloudy 20% 17 mph SSW 72%
1 PM 32° Mostly Cloudy 16% 18 mph SSW 71%
2 PM 32° Partly Cloudy 17% 18 mph SSW 72%
3 PM 32° Partly Cloudy 17% 18 mph SSW 73%
4 PM 32° Partly Cloudy 17% 18 mph SSW 74%
5 PM 31° Partly Cloudy 17% 18 mph SSW 75%
15-Day Forecast
Today
7/21
Mostly Clear
26%
28°
32°
Wed
7/22
Mostly Cloudy
41%
28°
33°
Thu
7/23
Rain
77%
27°
32°
Fri
7/24
Mostly Cloudy
79%
26°
30°
Sat
7/25
Rain
90%
24°
29°
Sun
7/26
Rain
82%
23°
32°
Mon
7/27
Drizzle
60%
25°
33°
Tue
7/28
Drizzle
60%
26°
33°
Wed
7/29
Rain
90%
24°
32°
Thu
7/30
Drizzle
81%
24°
31°
Fri
7/31
Drizzle
60%
24°
31°
Sat
8/1
Drizzle
60%
24°
31°
Sun
8/2
Drizzle
60%
24°
31°
Mon
8/3
Drizzle
60%
24°
32°
Tue
8/4
Drizzle
60%
24°
32°
38
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
38 AQI 6.9 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 38 Good 31 38
Thu 33 Good 33 32
Fri 32 Good 32 18
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Jul 21, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2860 J/kg
MLCAPE663 J/kg
MUCAPE2860 J/kg
SBCIN-55 J/kg
MLCIN0 J/kg
Lifted Index-7.5
Kinematics
0–6 km Shear19 kt
0–1 km Shear13 kt
Eff. Shear27 kt
0–1 km SRH-6
0–3 km SRH-1
Eff. SRH-1
Storm Motion221° @ 38 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index24.4
Thermo & Levels
PWAT1.56 in
0–3 km LR6.2 °C/km
700–500 LR6.1 °C/km
Total Totals39.5
LCL944 hPa
LFC851 hPa
EL139 hPa
Freezing Lvl16,214 ft