Severe Thunderstorm Watch 8:00 PM Severe Thunderstorm Watch 8:00 PM 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 PM

North Myrtle Beach, South Carolina

Last updated: 6:16 PM CDT  ·  Refresh
27°C
Feels like 30°
Mostly Cloudy
▲ 32°  /  ▼ 25°
Wind
8 mph NE
Humidity
81%
Dew Point
24°
Pressure
29.97 inHg
Visibility
9 mi
UV Index
1.3
Cloud Cover
79%
Sunrise
6:41 AM
Sunset
7:54 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: North Myrtle Beach is currently mostly cloudy at 27°C. Precipitation is likely — peak probability 88% around 8 PM. Atmospheric instability is elevated (CAPE up to 2478 J/kg) — isolated convective development possible. Sunrise: 6:41AM · Sunset: 7:54PM.

Alerts

Severe Thunderstorm Watch
Expires 8:00 PM
Severe Thunderstorm Watch
Expires 8:00 PM
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 PM
51 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
58%
8 PM
28°
88%
9 PM
27°
86%
10 PM
26°
85%
11 PM
25°
84%
12 AM
26°
80%
1 AM
25°
65%
2 AM
26°
44%
3 AM
26°
62%
4 AM
26°
55%
5 AM
26°
66%
6 AM
26°
71%
7 AM
26°
71%
8 AM
26°
81%
9 AM
28°
85%
10 AM
28°
79%
11 AM
29°
79%
12 PM
29°
80%
1 PM
30°
71%
2 PM
30°
69%
3 PM
30°
66%
4 PM
30°
63%
5 PM
29°
53%
6 PM
29°
60%
7-Day Forecast
Tonight
32° 25°
Mostly Cloudy with a 85% chance of rain.
Sat
33° 25°
Mostly Cloudy with a 79% chance of rain.
Sun
33° 26°
Partly Cloudy with a 40% chance of rain.
Mon
32° 24°
Partly Cloudy with a 55% chance of rain.
Tue
32° 24°
Rain, 73% chance.
Wed
31° 24°
Rain, 83% chance.
Thu
31° 25°
Rain, 83% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Cloudy 58% 8 mph NE 81%
8 PM 28° Overcast 88% 6 mph SSE 85%
9 PM 27° Overcast 86% 6 mph SSE 88%
10 PM 26° Heavy Rain 85% 7 mph NW 90%
11 PM 25° Overcast 84% 8 mph N 91%
12 AM 26° Overcast 80% 6 mph NE 90%
1 AM 25° Overcast 65% 6 mph ESE 89%
2 AM 26° Overcast 44% 6 mph SE 88%
3 AM 26° Overcast 62% 6 mph SSE 88%
4 AM 26° Overcast 55% 6 mph SSE 88%
5 AM 26° Rain 66% 7 mph S 88%
6 AM 26° Rain 71% 8 mph S 87%
7 AM 26° Mostly Cloudy 71% 8 mph SSW 86%
8 AM 26° Mostly Cloudy 81% 8 mph SSW 84%
9 AM 28° Mostly Cloudy 85% 7 mph SSW 82%
10 AM 28° Mostly Cloudy 79% 7 mph SW 80%
11 AM 29° Rain 79% 7 mph SW 78%
12 PM 29° Mostly Cloudy 80% 6 mph SSW 77%
1 PM 30° Mostly Cloudy 71% 6 mph SSW 75%
2 PM 30° Mostly Cloudy 69% 7 mph SSW 75%
3 PM 30° Mostly Cloudy 66% 7 mph SSW 76%
4 PM 30° Mostly Cloudy 63% 8 mph S 76%
5 PM 29° Mostly Cloudy 53% 9 mph SSW 78%
6 PM 29° Partly Cloudy 60% 11 mph SSW 80%
15-Day Forecast
Today
8/21
Mostly Cloudy
85%
25°
32°
Sat
8/22
Mostly Cloudy
79%
25°
33°
Sun
8/23
Partly Cloudy
40%
26°
33°
Mon
8/24
Partly Cloudy
55%
24°
32°
Tue
8/25
Rain
73%
24°
32°
Wed
8/26
Rain
83%
24°
31°
Thu
8/27
Rain
83%
25°
31°
Fri
8/28
Rain
83%
26°
32°
Sat
8/29
Thunderstorm
73%
26°
32°
Sun
8/30
Drizzle
54%
24°
32°
Mon
8/31
Drizzle
68%
24°
32°
Tue
9/1
Drizzle
60%
24°
33°
Wed
9/2
Rain
90%
24°
32°
Thu
9/3
Drizzle
60%
23°
32°
Fri
9/4
Drizzle
60%
23°
32°
51
Moderate
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
40 AQI 7.2 µg/m³
O3
Ground-level ozone
Dominant
51 AQI 56 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 51 Moderate 51 40
Sun 43 Good 43 28
Mon 45 Good 45 35
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 Fri Aug 21, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2308 J/kg
MLCAPE1264 J/kg
MUCAPE2308 J/kg
SBCIN0 J/kg
MLCIN-21 J/kg
Lifted Index-6.1
Kinematics
0–6 km Shear22 kt
0–1 km Shear12 kt
Eff. Shear19 kt
0–1 km SRH70
0–3 km SRH92
Eff. SRH92
Storm Motion254° @ 21 kt
0–1 km EHI1.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.6
Thermo & Levels
PWAT2.28 in
0–3 km LR5.8 °C/km
700–500 LR5.6 °C/km
Total Totals43.6
LCL977 hPa
LFC1015 hPa
EL149 hPa
Freezing Lvl14,409 ft