Areal Flood Watch 7:00 AM

Chatham County, North Carolina, United States

Last updated: 7:34 PM CDT  ·  Refresh
22°C
Feels like 24°
Thunderstorm
▲ 27°  /  ▼ 19°
Wind
4 mph SSE
Humidity
96%
Dew Point
21°
Pressure
29.53 inHg
Visibility
6 mi
UV Index
0.0
Cloud Cover
99%
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 thunderstorm at 22°C. Precipitation is likely — peak probability 82% around 9 PM. Atmospheric instability is elevated (CAPE up to 1122 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
22°
63%
9 PM
22°
82%
10 PM
22°
80%
11 PM
21°
71%
12 AM
21°
69%
1 AM
21°
42%
2 AM
21°
35%
3 AM
21°
24%
4 AM
21°
25%
5 AM
19°
25%
6 AM
19°
29%
7 AM
19°
42%
8 AM
20°
38%
9 AM
21°
38%
10 AM
22°
38%
11 AM
23°
38%
12 PM
24°
38%
1 PM
26°
36%
2 PM
27°
30%
3 PM
28°
30%
4 PM
28°
31%
5 PM
27°
31%
6 PM
27°
21%
7 PM
26°
24%
7-Day Forecast
Tonight
27° 19°
Rain, 71% chance.
Sat
30° 19°
Mostly Cloudy with a 38% chance of rain.
Sun
31° 19°
Clear.
Mon
31° 17°
Clear with a 60% chance of rain.
Tue
32° 17°
Partly Cloudy.
Wed
32° 18°
Rain, 69% chance.
Thu
31° 19°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Thunderstorm 63% 4 mph SSE 96%
9 PM 22° Thunderstorm 82% 6 mph SE 96%
10 PM 22° Heavy Rain 80% 5 mph SE 96%
11 PM 21° Rain 71% 4 mph SE 96%
12 AM 21° Overcast 69% 4 mph SSE 96%
1 AM 21° Overcast 42% 4 mph SSE 97%
2 AM 21° Overcast 35% 3 mph S 97%
3 AM 21° Overcast 24% 2 mph S 97%
4 AM 21° Mostly Cloudy 25% 2 mph SE 97%
5 AM 19° Mostly Cloudy 25% 2 mph SE 97%
6 AM 19° Mostly Cloudy 29% 2 mph SE 96%
7 AM 19° Mostly Cloudy 42% 2 mph SE 95%
8 AM 20° Mostly Cloudy 38% 2 mph SSE 92%
9 AM 21° Mostly Cloudy 38% 2 mph S 86%
10 AM 22° Mostly Cloudy 38% 2 mph SW 81%
11 AM 23° Mostly Cloudy 38% 3 mph SW 76%
12 PM 24° Mostly Cloudy 38% 3 mph WSW 73%
1 PM 26° Mostly Cloudy 36% 3 mph WSW 68%
2 PM 27° Partly Cloudy 30% 4 mph WSW 66%
3 PM 28° Partly Cloudy 30% 4 mph WSW 64%
4 PM 28° Partly Cloudy 31% 4 mph SW 62%
5 PM 27° Partly Cloudy 31% 4 mph SW 64%
6 PM 27° Partly Cloudy 21% 4 mph SW 67%
7 PM 26° Mostly Clear 24% 4 mph SSW 71%
15-Day Forecast
Today
8/21
Rain
71%
19°
27°
Sat
8/22
Mostly Cloudy
38%
19°
30°
Sun
8/23
Clear
12%
19°
31°
Mon
8/24
Clear
60%
17°
31°
Tue
8/25
Partly Cloudy
19%
17°
32°
Wed
8/26
Rain
69%
18°
32°
Thu
8/27
Rain
90%
19°
31°
Fri
8/28
Drizzle
63%
21°
33°
Sat
8/29
Drizzle
73%
19°
33°
Sun
8/30
Drizzle
66%
19°
33°
Mon
8/31
Drizzle
60%
19°
36°
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
Today 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, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE126 J/kg
MLCAPE516 J/kg
MUCAPE1154 J/kg
SBCIN-140 J/kg
MLCIN-37 J/kg
Lifted Index-0.7
Kinematics
0–6 km Shear18 kt
0–1 km Shear12 kt
Eff. Shear18 kt
0–1 km SRH30
0–3 km SRH82
Eff. SRH82
Storm Motion295° @ 13 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index41.2
Thermo & Levels
PWAT2.40 in
0–3 km LR4.5 °C/km
700–500 LR5.5 °C/km
Total Totals48.8
LCL990 hPa
LFC703 hPa
EL445 hPa
Freezing Lvl14,177 ft