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

Topsail Beach, North Carolina

Last updated: 5:40 PM CDT  ·  Refresh
29°C
Feels like 36°
Partly Cloudy
▲ 32°  /  ▼ 28°
Wind
21 mph SSW
Humidity
80%
Dew Point
26°
Pressure
29.92 inHg
Visibility
9 mi
UV Index
4.1
Cloud Cover
36%
Sunrise
6:13 AM
Sunset
8:20 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Topsail Beach is currently partly cloudy at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3012 J/kg) — isolated convective development possible. Sunrise: 6:13AM · Sunset: 8:20PM.

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
50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
7%
7 PM
30°
25%
8 PM
29°
27%
9 PM
29°
30%
10 PM
29°
30%
11 PM
29°
28%
12 AM
28°
28%
1 AM
28°
27%
2 AM
28°
13%
3 AM
28°
21%
4 AM
28°
24%
5 AM
28°
36%
6 AM
28°
48%
7 AM
28°
47%
8 AM
28°
48%
9 AM
29°
42%
10 AM
29°
39%
11 AM
30°
29%
12 PM
30°
30%
1 PM
32°
26%
2 PM
32°
17%
3 PM
31°
17%
4 PM
31°
17%
5 PM
31°
17%
7-Day Forecast
Tonight
32° 28°
Partly Cloudy with a 30% chance of rain.
Wed
33° 28°
Mostly Cloudy with a 48% chance of rain.
Thu
32° 26°
Heavy Rain, 85% chance.
Fri
31° 25°
Overcast with a 82% chance of rain.
Sat
29° 23°
Rain, 90% chance.
Sun
32° 22°
Rain, 82% chance.
Mon
34° 24°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Partly Cloudy 7% 21 mph SSW 80%
7 PM 30° Mostly Cloudy 25% 20 mph SSW 81%
8 PM 29° Mostly Cloudy 27% 21 mph SSW 82%
9 PM 29° Mostly Cloudy 30% 21 mph SSW 83%
10 PM 29° Mostly Cloudy 30% 21 mph SSW 84%
11 PM 29° Mostly Cloudy 28% 22 mph SSW 84%
12 AM 28° Overcast 28% 22 mph SSW 83%
1 AM 28° Overcast 27% 21 mph SSW 82%
2 AM 28° Overcast 13% 20 mph SSW 82%
3 AM 28° Overcast 21% 20 mph SSW 82%
4 AM 28° Overcast 24% 19 mph SSW 82%
5 AM 28° Overcast 36% 18 mph SSW 82%
6 AM 28° Overcast 48% 18 mph SSW 83%
7 AM 28° Overcast 47% 18 mph SSW 83%
8 AM 28° Overcast 48% 18 mph SSW 83%
9 AM 29° Mostly Cloudy 42% 18 mph SSW 81%
10 AM 29° Mostly Cloudy 39% 18 mph SSW 79%
11 AM 30° Mostly Cloudy 29% 19 mph SSW 77%
12 PM 30° Mostly Cloudy 30% 20 mph SSW 76%
1 PM 32° Mostly Cloudy 26% 20 mph SSW 76%
2 PM 32° Mostly Cloudy 17% 20 mph SSW 76%
3 PM 31° Mostly Cloudy 17% 20 mph SSW 77%
4 PM 31° Mostly Cloudy 17% 20 mph SSW 78%
5 PM 31° Mostly Cloudy 17% 20 mph SSW 80%
15-Day Forecast
Today
7/21
Partly Cloudy
30%
28°
32°
Wed
7/22
Mostly Cloudy
48%
28°
33°
Thu
7/23
Heavy Rain
85%
26°
32°
Fri
7/24
Overcast
82%
25°
31°
Sat
7/25
Rain
90%
23°
29°
Sun
7/26
Rain
82%
22°
32°
Mon
7/27
Drizzle
60%
24°
34°
Tue
7/28
Thunderstorm
67%
26°
34°
Wed
7/29
Rain
81%
24°
33°
Thu
7/30
Rain
82%
24°
32°
Fri
7/31
Drizzle
60%
24°
32°
Sat
8/1
Drizzle
60%
24°
32°
Sun
8/2
Drizzle
60%
23°
32°
Mon
8/3
Drizzle
60%
24°
33°
Tue
8/4
Drizzle
60%
24°
33°
50
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
50 AQI 9.1 µg/m³
O3
Ground-level ozone
30 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 50 Good 30 50
Thu 47 Good 31 47
Fri 43 Good 28 43
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
SBCAPE3381 J/kg
MLCAPE1695 J/kg
MUCAPE3381 J/kg
SBCIN-29 J/kg
MLCIN0 J/kg
Lifted Index-8.6
Kinematics
0–6 km Shear18 kt
0–1 km Shear15 kt
Eff. Shear27 kt
0–1 km SRH7
0–3 km SRH11
Eff. SRH11
Storm Motion218° @ 40 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.2
Supercell0.5
K-Index21.8
Thermo & Levels
PWAT1.68 in
0–3 km LR6.2 °C/km
700–500 LR6.2 °C/km
Total Totals36.9
LCL957 hPa
LFC842 hPa
EL136 hPa
Freezing Lvl15,919 ft