Areal Flood Watch 7:00 AM

Chatham County, North Carolina, United States

Last updated: 6:34 PM CDT  ·  Refresh
24°C
Feels like 27°
Rain
▲ 27°  /  ▼ 19°
Wind
6 mph E
Humidity
93%
Dew Point
22°
Pressure
29.51 inHg
Visibility
7 mi
UV Index
0.8
Cloud Cover
83%
Sunrise
6:40 AM
Sunset
7:58 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Chatham County is currently rain at 24°C. Precipitation is likely — peak probability 80% around 9 PM. Atmospheric instability is elevated (CAPE up to 1175 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 7:58PM.

Alerts

Areal Flood Watch
Expires 7:00 AM
47 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
70%
8 PM
24°
75%
9 PM
22°
80%
10 PM
22°
78%
11 PM
22°
54%
12 AM
21°
53%
1 AM
22°
41%
2 AM
21°
35%
3 AM
21°
36%
4 AM
21°
36%
5 AM
19°
36%
6 AM
19°
40%
7 AM
19°
49%
8 AM
20°
38%
9 AM
21°
38%
10 AM
22°
38%
11 AM
23°
38%
12 PM
24°
39%
1 PM
26°
36%
2 PM
28°
40%
3 PM
28°
40%
4 PM
28°
40%
5 PM
28°
41%
6 PM
28°
34%
7-Day Forecast
Tonight
27° 19°
Rain, 78% chance.
Sat
30° 19°
Partly Cloudy with a 49% chance of rain.
Sun
32° 19°
Clear.
Mon
31° 17°
Mostly Clear with a 53% chance of rain.
Tue
32° 16°
Mostly Cloudy with a 33% chance of rain.
Wed
32° 18°
Rain, 69% chance.
Thu
31° 19°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Rain 70% 6 mph E 93%
8 PM 24° Rain 75% 6 mph ESE 94%
9 PM 22° Heavy Rain 80% 4 mph E 95%
10 PM 22° Heavy Rain 78% 4 mph E 96%
11 PM 22° Overcast 54% 3 mph ESE 96%
12 AM 21° Overcast 53% 3 mph SE 97%
1 AM 22° Overcast 41% 3 mph SE 97%
2 AM 21° Overcast 35% 2 mph SSE 97%
3 AM 21° Overcast 36% 2 mph ESE 97%
4 AM 21° Mostly Cloudy 36% 2 mph ESE 97%
5 AM 19° Mostly Cloudy 36% 2 mph ESE 97%
6 AM 19° Mostly Cloudy 40% 2 mph SE 96%
7 AM 19° Mostly Cloudy 49% 3 mph SE 95%
8 AM 20° Mostly Cloudy 38% 3 mph SSE 92%
9 AM 21° Mostly Cloudy 38% 3 mph S 87%
10 AM 22° Mostly Cloudy 38% 3 mph SSW 81%
11 AM 23° Mostly Cloudy 38% 3 mph SW 76%
12 PM 24° Mostly Cloudy 39% 4 mph SW 71%
1 PM 26° Mostly Cloudy 36% 4 mph WSW 67%
2 PM 28° Partly Cloudy 40% 4 mph WSW 65%
3 PM 28° Partly Cloudy 40% 4 mph WSW 64%
4 PM 28° Partly Cloudy 40% 4 mph SW 63%
5 PM 28° Partly Cloudy 41% 4 mph SW 64%
6 PM 28° Mostly Clear 34% 4 mph SW 68%
15-Day Forecast
Today
8/21
Rain
78%
19°
27°
Sat
8/22
Partly Cloudy
49%
19°
30°
Sun
8/23
Clear
19%
19°
32°
Mon
8/24
Mostly Clear
53%
17°
31°
Tue
8/25
Mostly Cloudy
33%
16°
32°
Wed
8/26
Rain
69%
18°
32°
Thu
8/27
Rain
90%
19°
31°
Fri
8/28
Rain
63%
21°
33°
Sat
8/29
Rain
73%
19°
33°
Sun
8/30
Drizzle
66%
19°
33°
Mon
8/31
Drizzle
56%
19°
37°
Tue
9/1
Drizzle
60%
22°
35°
Wed
9/2
Drizzle
60%
21°
32°
Thu
9/3
Drizzle
60%
21°
32°
Fri
9/4
Drizzle
60%
21°
32°
47
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
42 AQI 7.6 µg/m³
O3
Ground-level ozone
Dominant
47 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 47 Good 47 42
Sun 37 Good 37 28
Mon 39 Good 39 33
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
SBCAPE685 J/kg
MLCAPE957 J/kg
MUCAPE1207 J/kg
SBCIN-56 J/kg
MLCIN-15 J/kg
Lifted Index-3.5
Kinematics
0–6 km Shear24 kt
0–1 km Shear9 kt
Eff. Shear24 kt
0–1 km SRH46
0–3 km SRH75
Eff. SRH75
Storm Motion296° @ 14 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.2
Supercell1.1
K-Index40.1
Thermo & Levels
PWAT2.34 in
0–3 km LR5.0 °C/km
700–500 LR5.9 °C/km
Total Totals49.6
LCL976 hPa
LFC760 hPa
EL250 hPa
Freezing Lvl13,802 ft