Heat Advisory — Johnston, NC, Stanly, NC, Montgomery, NC, Moore, NC, Lee, NC, Harnett, NC, Wayne, NC, Anson, NC, Richmond, NC, Scotland, NC, Hoke, NC, Cumberland, NC, Sampson, NC 7:00 PM

Johnston County, North Carolina, United States

Last updated: 2:16 AM CDT  ·  Refresh
24°C
Feels like 28°
Clear
▲ 37°  /  ▼ 22°
Wind
4 mph SW
Humidity
88%
Dew Point
22°
Pressure
29.72 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
4%
Sunrise
6:48 AM
Sunset
7:34 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Johnston County is currently clear at 24°C. Precipitation is likely — peak probability 63% around 5 PM. Atmospheric instability is elevated (CAPE up to 2129 J/kg) — isolated convective development possible. Sunrise: 6:48AM · Sunset: 7:34PM.

Alerts

Heat Advisory
Johnston, NC, Stanly, NC, Montgomery, NC, Moore, NC, Lee, NC, Harnett, NC, Wayne, NC, Anson, NC, Richmond, NC, Scotland, NC, Hoke, NC, Cumberland, NC, Sampson, NC
Expires 7:00 PM
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
33%
4 AM
24°
20%
5 AM
22°
13%
6 AM
22°
18%
7 AM
23°
16%
8 AM
24°
7%
9 AM
27°
16%
10 AM
29°
20%
11 AM
31°
38%
12 PM
33°
44%
1 PM
36°
45%
2 PM
36°
49%
3 PM
36°
52%
4 PM
35°
61%
5 PM
34°
63%
6 PM
31°
55%
7 PM
29°
51%
8 PM
28°
51%
9 PM
24°
55%
10 PM
23°
60%
11 PM
22°
61%
12 AM
22°
61%
1 AM
24°
47%
2 AM
23°
37%
7-Day Forecast
Today
37° 22°
Partly Cloudy with a 55% chance of rain.
Sun
31° 21°
Rain, 49% chance.
Mon
31° 18°
Partly Cloudy.
Tue
28° 17°
Partly Cloudy.
Wed
32° 16°
Clear.
Thu
37° 19°
Drizzle, 52% chance.
Fri
31° 18°
Rain, 27% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 33% 4 mph SW 88%
4 AM 24° Clear 20% 4 mph SW 87%
5 AM 22° Clear 13% 4 mph SW 87%
6 AM 22° Clear 18% 5 mph WSW 86%
7 AM 23° Clear 16% 6 mph WSW 85%
8 AM 24° Mostly Clear 7% 7 mph WSW 82%
9 AM 27° Mostly Clear 16% 7 mph W 75%
10 AM 29° Mostly Clear 20% 7 mph W 66%
11 AM 31° Mostly Clear 38% 7 mph WNW 58%
12 PM 33° Mostly Clear 44% 7 mph WNW 53%
1 PM 36° Mostly Clear 45% 7 mph NW 47%
2 PM 36° Mostly Clear 49% 6 mph NW 45%
3 PM 36° Partly Cloudy 52% 5 mph NNW 48%
4 PM 35° Partly Cloudy 61% 4 mph N 52%
5 PM 34° Mostly Cloudy 63% 5 mph NE 56%
6 PM 31° Mostly Cloudy 55% 8 mph E 63%
7 PM 29° Partly Cloudy 51% 8 mph ENE 71%
8 PM 28° Partly Cloudy 51% 8 mph ENE 79%
9 PM 24° Partly Cloudy 55% 7 mph E 83%
10 PM 23° Partly Cloudy 60% 6 mph ESE 86%
11 PM 22° Rain 61% 6 mph ESE 89%
12 AM 22° Partly Cloudy 61% 5 mph ESE 90%
1 AM 24° Partly Cloudy 47% 4 mph SE 92%
2 AM 23° Partly Cloudy 37% 4 mph SE 94%
15-Day Forecast
Today
9/5
Partly Cloudy
55%
22°
37°
Sun
9/6
Rain
49%
21°
31°
Mon
9/7
Partly Cloudy
7%
18°
31°
Tue
9/8
Partly Cloudy
3%
17°
28°
Wed
9/9
Clear
8%
16°
32°
Thu
9/10
Drizzle
52%
19°
37°
Fri
9/11
Rain
27%
18°
31°
Sat
9/12
Rain
69%
17°
29°
Sun
9/13
Drizzle
44%
18°
33°
Mon
9/14
Drizzle
51%
21°
36°
Tue
9/15
Drizzle
60%
20°
32°
Wed
9/16
Drizzle
60%
19°
31°
Thu
9/17
Drizzle
60%
19°
31°
Fri
9/18
Drizzle
60%
18°
31°
Sat
9/19
Drizzle
60%
18°
31°
48
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
48 AQI 8.6 µg/m³
O3
Ground-level ozone
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 48 Good 39 48
Sun 52 Moderate 40 52
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 Sat Sep 5, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE513 J/kg
MLCAPE735 J/kg
MUCAPE1236 J/kg
SBCIN-220 J/kg
MLCIN-157 J/kg
Lifted Index-1.7
Kinematics
0–6 km Shear23 kt
0–1 km Shear14 kt
Eff. Shear23 kt
0–1 km SRH105
0–3 km SRH122
Eff. SRH122
Storm Motion349° @ 16 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.8
K-Index41.0
Thermo & Levels
PWAT2.21 in
0–3 km LR4.7 °C/km
700–500 LR5.5 °C/km
Total Totals48.5
LCL980 hPa
LFC714 hPa
EL271 hPa
Freezing Lvl15,059 ft