Heat Advisory — Holmes, MS, Yazoo, MS, Madison, MS, Hinds, MS, Copiah, MS, Lincoln, MS 8:00 PM

Copiah County, Mississippi, United States

Last updated: 8:05 AM CDT  ·  Refresh
26°C
Feels like 29°
Mostly Clear
▲ 36°  /  ▼ 23°
Wind
3 mph SSW
Humidity
80%
Dew Point
22°
Pressure
29.79 inHg
Visibility
8 mi
UV Index
4.8
Cloud Cover
29%
Sunrise
6:23 AM
Sunset
7:50 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Copiah County is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1608 J/kg) — isolated convective development possible. Sunrise: 6:23AM · Sunset: 7:50PM.

31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
29%
9 AM
28°
18%
10 AM
31°
13%
11 AM
31°
15%
12 PM
32°
10%
1 PM
36°
6%
2 PM
36°
6%
3 PM
36°
6%
4 PM
36°
6%
5 PM
33°
6%
6 PM
32°
6%
7 PM
31°
6%
8 PM
30°
6%
9 PM
28°
6%
10 PM
27°
6%
11 PM
26°
6%
12 AM
26°
3%
1 AM
26°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
24°
6%
6 AM
23°
6%
7 AM
23°
6%
7-Day Forecast
Today
36° 23°
Partly Cloudy with a 29% chance of rain.
Tue
38° 23°
Mostly Clear.
Wed
39° 22°
Mostly Clear.
Thu
40° 23°
Partly Cloudy.
Fri
42° 22°
Clear.
Sat
43° 22°
Mostly Cloudy with a 32% chance of rain.
Sun
42° 23°
Partly Cloudy with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 29% 3 mph SSW 80%
9 AM 28° Partly Cloudy 18% 4 mph SSW 68%
10 AM 31° Partly Cloudy 13% 4 mph SSW 61%
11 AM 31° Partly Cloudy 15% 4 mph S 58%
12 PM 32° Partly Cloudy 10% 4 mph SSE 54%
1 PM 36° Partly Cloudy 6% 5 mph SSE 50%
2 PM 36° Partly Cloudy 6% 6 mph SSE 49%
3 PM 36° Partly Cloudy 6% 6 mph SSE 48%
4 PM 36° Partly Cloudy 6% 6 mph SSE 48%
5 PM 33° Partly Cloudy 6% 6 mph SSE 54%
6 PM 32° Partly Cloudy 6% 6 mph SSE 60%
7 PM 31° Partly Cloudy 6% 6 mph SSE 66%
8 PM 30° Mostly Cloudy 6% 5 mph SSE 69%
9 PM 28° Mostly Cloudy 6% 4 mph S 72%
10 PM 27° Overcast 6% 5 mph S 75%
11 PM 26° Mostly Cloudy 6% 5 mph SSW 79%
12 AM 26° Mostly Cloudy 3% 5 mph SSW 82%
1 AM 26° Mostly Cloudy 3% 5 mph SSW 85%
2 AM 25° Mostly Cloudy 3% 5 mph SSW 87%
3 AM 24° Mostly Cloudy 3% 5 mph SSW 89%
4 AM 24° Mostly Cloudy 3% 4 mph SSW 90%
5 AM 24° Mostly Cloudy 6% 4 mph SSW 91%
6 AM 23° Partly Cloudy 6% 4 mph SSW 91%
7 AM 23° Partly Cloudy 6% 4 mph SW 92%
15-Day Forecast
Today
8/10
Partly Cloudy
29%
23°
36°
Tue
8/11
Mostly Clear
9%
23°
38°
Wed
8/12
Mostly Clear
5%
22°
39°
Thu
8/13
Partly Cloudy
3%
23°
40°
Fri
8/14
Clear
3%
22°
42°
Sat
8/15
Mostly Cloudy
32%
22°
43°
Sun
8/16
Partly Cloudy
21%
23°
42°
Mon
8/17
Drizzle
47%
23°
42°
Tue
8/18
Rain
46%
23°
42°
Wed
8/19
Rain
51%
23°
40°
Thu
8/20
Drizzle
60%
20°
42°
Fri
8/21
Drizzle
60%
23°
42°
Sat
8/22
Clear
60%
23°
42°
Sun
8/23
Clear
60%
23°
42°
Mon
8/24
Drizzle
60%
23°
41°
31
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
25 AQI 4.5 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 31 Good 31 25
Wed 24 Good 20 24
Thu 22 Good 22 15
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 Mon Aug 10, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE811 J/kg
MLCAPE204 J/kg
MUCAPE811 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-2.9
Kinematics
0–6 km Shear6 kt
0–1 km Shear4 kt
Eff. Shear5 kt
0–1 km SRH-0
0–3 km SRH23
Eff. SRH23
Storm Motion245° @ 18 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.0
Thermo & Levels
PWAT1.97 in
0–3 km LR5.3 °C/km
700–500 LR5.8 °C/km
Total Totals45.7
LCL958 hPa
LFC1009 hPa
EL203 hPa
Freezing Lvl15,276 ft