Severe Thunderstorm Watch 8:00 p. m. Severe Thunderstorm Watch 8:00 p. m. Heat Advisory — Columbus, NC, Inland Pender, NC, Coastal Pender, NC, Inland New Hanover, NC, Coastal New Hanover, NC, Inland Brunswick, NC, Coastal Brunswick, NC, Coastal Horry, SC, Inland Georgetown, SC, Coastal Georgetown, SC, Central Horry, SC, Northern Horry, SC 7:00 p. m.

Horry County, South Carolina, United States

Last updated: 4:13 p. m. CDT  ·  Refresh
31°C
Feels like 37°
Rain
▲ 33°  /  ▼ 24°
Wind
9 mph SE
Humidity
69%
Dew Point
24°
Pressure
29,91 inHg
Visibility
8 mi
UV Index
4,8
Cloud Cover
70%
Sunrise
6:41 a. m.
Sunset
7:55 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Horry County is currently rain at 31°C. Precipitation is likely — peak probability 90% around 5 p. m.. Atmospheric instability is elevated (CAPE up to 2280 J/kg) — isolated convective development possible. Sunrise: 6:41A. M. · Sunset: 7:55P. M..

Alerts

Severe Thunderstorm Watch
Expires 8:00 p. m.
Severe Thunderstorm Watch
Expires 8:00 p. m.
Heat Advisory
Columbus, NC, Inland Pender, NC, Coastal Pender, NC, Inland New Hanover, NC, Coastal New Hanover, NC, Inland Brunswick, NC, Coastal Brunswick, NC, Coastal Horry, SC, Inland Georgetown, SC, Coastal Georgetown, SC, Central Horry, SC, Northern Horry, SC
Expires 7:00 p. m.
48 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
90%
6 p. m.
28°
90%
7 p. m.
27°
90%
8 p. m.
27°
84%
9 p. m.
26°
90%
10 p. m.
24°
90%
11 p. m.
25°
75%
12 a. m.
24°
73%
1 a. m.
24°
53%
2 a. m.
24°
53%
3 a. m.
24°
42%
4 a. m.
24°
38%
5 a. m.
24°
37%
6 a. m.
24°
41%
7 a. m.
24°
50%
8 a. m.
26°
51%
9 a. m.
27°
59%
10 a. m.
29°
60%
11 a. m.
29°
60%
12 p. m.
29°
61%
1 p. m.
30°
66%
2 p. m.
31°
66%
3 p. m.
31°
67%
4 p. m.
31°
67%
7-Day Forecast
Today
33° 24°
Rain, 90% chance.
Sat
33° 24°
Mostly Cloudy with a 60% chance of rain.
Sun
34° 23°
Mostly Clear.
Mon
34° 24°
Partly Cloudy with a 60% chance of rain.
Tue
32° 23°
Rain, 69% chance.
Wed
32° 23°
Rain, 70% chance.
Thu
33° 24°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Rain 90% 9 mph SE 69%
6 p. m. 28° Heavy Rain 90% 10 mph NE 77%
7 p. m. 27° Overcast 90% 6 mph E 85%
8 p. m. 27° Overcast 84% 4 mph ENE 91%
9 p. m. 26° Rain 90% 3 mph E 92%
10 p. m. 24° Thunderstorm 90% 4 mph SSE 93%
11 p. m. 25° Rain 75% 5 mph E 94%
12 a. m. 24° Overcast 73% 4 mph E 94%
1 a. m. 24° Overcast 53% 4 mph E 93%
2 a. m. 24° Overcast 53% 4 mph E 92%
3 a. m. 24° Overcast 42% 4 mph ESE 92%
4 a. m. 24° Mostly Cloudy 38% 4 mph ESE 91%
5 a. m. 24° Mostly Cloudy 37% 4 mph SE 91%
6 a. m. 24° Mostly Cloudy 41% 4 mph SSE 91%
7 a. m. 24° Overcast 50% 3 mph S 90%
8 a. m. 26° Overcast 51% 4 mph SSW 88%
9 a. m. 27° Mostly Cloudy 59% 4 mph SW 83%
10 a. m. 29° Mostly Cloudy 60% 5 mph SW 78%
11 a. m. 29° Mostly Cloudy 60% 5 mph SW 74%
12 p. m. 29° Mostly Cloudy 61% 6 mph SW 71%
1 p. m. 30° Mostly Cloudy 66% 6 mph SW 69%
2 p. m. 31° Rain 66% 6 mph SW 68%
3 p. m. 31° Rain 67% 5 mph SSW 68%
4 p. m. 31° Rain 67% 6 mph SSW 69%
15-Day Forecast
Today
8/21
Rain
90%
24°
33°
Sat
8/22
Mostly Cloudy
60%
24°
33°
Sun
8/23
Mostly Clear
17%
23°
34°
Mon
8/24
Partly Cloudy
60%
24°
34°
Tue
8/25
Rain
69%
23°
32°
Wed
8/26
Rain
70%
23°
32°
Thu
8/27
Rain
90%
24°
33°
Fri
8/28
Rain
72%
23°
33°
Sat
8/29
Rain
68%
24°
32°
Sun
8/30
Drizzle
51%
24°
33°
Mon
8/31
Drizzle
60%
24°
34°
Tue
9/1
Drizzle
60%
24°
35°
Wed
9/2
Drizzle
60%
23°
34°
Thu
9/3
Drizzle
60%
23°
33°
Fri
9/4
Drizzle
60%
23°
33°
48
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
33 AQI 5.9 µg/m³
O3
Ground-level ozone
Dominant
48 AQI 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 48 Good 48 33
Sun 35 Good 35 19
Mon 40 Good 40 31
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 vie. ago. 21, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2815 J/kg
MLCAPE2440 J/kg
MUCAPE2815 J/kg
SBCIN-15 J/kg
MLCIN-32 J/kg
Lifted Index-6.5
Kinematics
0–6 km Shear18 kt
0–1 km Shear9 kt
Eff. Shear15 kt
0–1 km SRH17
0–3 km SRH53
Eff. SRH53
Storm Motion266° @ 17 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.8
Thermo & Levels
PWAT2.44 in
0–3 km LR7.0 °C/km
700–500 LR5.5 °C/km
Total Totals49.0
LCL918 hPa
LFC857 hPa
EL145 hPa
Freezing Lvl14,436 ft