Severe Thunderstorm Watch 8:00 PM Marine Warning — S of Ocracoke Inlet NC to Cape Lookout NC out to 20 NM, AM, S of Cape Lookout NC to Surf City NC out to 20 NM, AM 4:45 PM

Onslow County, North Carolina, United States

Last updated: 4:15 PM CDT  ·  Refresh
28°C
Feels like 31°
Drizzle
▲ 32°  /  ▼ 23°
Wind
4 mph NNE
Humidity
68%
Dew Point
23°
Pressure
29.98 inHg
Visibility
8 mi
UV Index
3.5
Cloud Cover
83%
Sunrise
6:34 AM
Sunset
7:50 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Onslow County is currently drizzle at 28°C. Precipitation is likely — peak probability 89% around 6 PM. Atmospheric instability is elevated (CAPE up to 2136 J/kg) — isolated convective development possible. Sunrise: 6:34AM · Sunset: 7:50PM.

Alerts

Severe Thunderstorm Watch
Expires 8:00 PM
Marine Warning
S of Ocracoke Inlet NC to Cape Lookout NC out to 20 NM, AM, S of Cape Lookout NC to Surf City NC out to 20 NM, AM
Expires 4:45 PM
49 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
65%
6 PM
28°
89%
7 PM
27°
88%
8 PM
27°
87%
9 PM
26°
87%
10 PM
26°
84%
11 PM
25°
60%
12 AM
25°
65%
1 AM
24°
69%
2 AM
24°
62%
3 AM
24°
56%
4 AM
24°
61%
5 AM
23°
61%
6 AM
23°
62%
7 AM
23°
62%
8 AM
23°
71%
9 AM
24°
75%
10 AM
25°
75%
11 AM
26°
66%
12 PM
27°
66%
1 PM
28°
66%
2 PM
28°
67%
3 PM
28°
67%
4 PM
29°
49%
7-Day Forecast
Today
32° 23°
Drizzle, 87% chance.
Sat
31° 23°
Heavy Rain, 71% chance.
Sun
34° 24°
Partly Cloudy with a 26% chance of rain.
Mon
34° 22°
Clear with a 74% chance of rain.
Tue
33° 23°
Rain, 82% chance.
Wed
33° 22°
Rain, 82% chance.
Thu
33° 24°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Drizzle 65% 4 mph NNE 68%
6 PM 28° Overcast 89% 6 mph NNW 75%
7 PM 27° Heavy Rain 88% 8 mph NW 80%
8 PM 27° Heavy Rain 87% 6 mph NNW 84%
9 PM 26° Heavy Rain 87% 5 mph ENE 86%
10 PM 26° Overcast 84% 5 mph E 88%
11 PM 25° Overcast 60% 5 mph E 88%
12 AM 25° Overcast 65% 6 mph SSE 88%
1 AM 24° Rain 69% 5 mph SSW 87%
2 AM 24° Overcast 62% 3 mph W 87%
3 AM 24° Mostly Cloudy 56% 2 mph SE 88%
4 AM 24° Mostly Cloudy 61% 3 mph ESE 88%
5 AM 23° Heavy Rain 61% 3 mph SE 88%
6 AM 23° Heavy Rain 62% 3 mph SE 88%
7 AM 23° Heavy Rain 62% 4 mph ESE 88%
8 AM 23° Heavy Rain 71% 5 mph SE 87%
9 AM 24° Heavy Rain 75% 5 mph SSE 84%
10 AM 25° Heavy Rain 75% 5 mph S 80%
11 AM 26° Heavy Rain 66% 5 mph SSW 78%
12 PM 27° Rain 66% 6 mph S 81%
1 PM 28° Mostly Cloudy 66% 7 mph S 83%
2 PM 28° Overcast 67% 8 mph S 84%
3 PM 28° Mostly Cloudy 67% 7 mph S 80%
4 PM 29° Mostly Cloudy 49% 7 mph S 77%
15-Day Forecast
Today
8/21
Drizzle
87%
23°
32°
Sat
8/22
Heavy Rain
71%
23°
31°
Sun
8/23
Partly Cloudy
26%
24°
34°
Mon
8/24
Clear
74%
22°
34°
Tue
8/25
Rain
82%
23°
33°
Wed
8/26
Rain
82%
22°
33°
Thu
8/27
Rain
71%
24°
33°
Fri
8/28
Rain
72%
22°
33°
Sat
8/29
Rain
68%
23°
32°
Sun
8/30
Drizzle
68%
23°
34°
Mon
8/31
Drizzle
60%
24°
33°
Tue
9/1
Drizzle
60%
24°
34°
Wed
9/2
Drizzle
60%
23°
33°
Thu
9/3
Drizzle
60%
23°
32°
Fri
9/4
Drizzle
60%
22°
32°
49
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
49 AQI 8.9 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 49 Good 36 49
Sun 35 Good 35 27
Mon 39 Good 36 39
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, 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
SBCAPE1701 J/kg
MLCAPE1659 J/kg
MUCAPE1803 J/kg
SBCIN-10 J/kg
MLCIN-12 J/kg
Lifted Index-5.6
Kinematics
0–6 km Shear26 kt
0–1 km Shear14 kt
Eff. Shear28 kt
0–1 km SRH76
0–3 km SRH68
Eff. SRH68
Storm Motion260° @ 17 kt
0–1 km EHI0.8
Composite Parameters
Sig. Tornado0.4
STP (eff)0.4
Supercell1.8
K-Index37.7
Thermo & Levels
PWAT2.37 in
0–3 km LR5.9 °C/km
700–500 LR6.2 °C/km
Total Totals49.6
LCL942 hPa
LFC854 hPa
EL171 hPa
Freezing Lvl14,872 ft