Excessive Heat Warning — Adams, MS, Grenada, MS, Carroll, MS, Holmes, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Attala, MS, Winston, MS, Noxubee, MS, Leake, MS, Neshoba, MS, Kemper, MS, Newton, MS, Lauderdale, MS, Scott, MS, Smith, MS, Jasper, MS, Clarke, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS 9:00 PM

Copiah County, Mississippi, United States

Last updated: 9:39 PM CDT  ·  Refresh
29°C
Feels like 34°
Mostly Clear
▲ 36°  /  ▼ 22°
Wind
3 mph NW
Humidity
68%
Dew Point
23°
Pressure
29.54 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
14%
Sunrise
6:09 AM
Sunset
8:06 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Copiah County is currently mostly clear at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2672 J/kg) — isolated convective development possible. Sunrise: 6:09AM · Sunset: 8:06PM.

67 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
4%
10 PM
28°
25%
11 PM
28°
19%
12 AM
27°
19%
1 AM
27°
13%
2 AM
26°
14%
3 AM
26°
20%
4 AM
26°
20%
5 AM
24°
25%
6 AM
24°
25%
7 AM
26°
26%
8 AM
27°
18%
9 AM
31°
18%
10 AM
32°
19%
11 AM
33°
26%
12 PM
34°
28%
1 PM
37°
31%
2 PM
37°
27%
3 PM
37°
21%
4 PM
37°
18%
5 PM
35°
17%
6 PM
34°
14%
7 PM
34°
14%
8 PM
33°
14%
7-Day Forecast
Tonight
36° 22°
Mostly Clear.
Tue
37° 24°
Mostly Clear with a 28% chance of rain.
Wed
39° 24°
Partly Cloudy with a 33% chance of rain.
Thu
36° 24°
Mostly Cloudy with a 59% chance of rain.
Fri
37° 24°
Clear.
Sat
37° 23°
Drizzle, 51% chance.
Sun
37° 22°
Rain, 42% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Clear 4% 3 mph NW 68%
10 PM 28° Partly Cloudy 25% 3 mph N 72%
11 PM 28° Partly Cloudy 19% 2 mph NNE 74%
12 AM 27° Mostly Clear 19% 2 mph NE 75%
1 AM 27° Partly Cloudy 13% 2 mph ENE 76%
2 AM 26° Mostly Clear 14% 2 mph NE 77%
3 AM 26° Mostly Clear 20% 2 mph NNE 78%
4 AM 26° Mostly Clear 20% 2 mph N 80%
5 AM 24° Mostly Clear 25% 2 mph N 83%
6 AM 24° Mostly Clear 25% 2 mph N 85%
7 AM 26° Mostly Clear 26% 2 mph NNW 81%
8 AM 27° Mostly Clear 18% 1 mph NW 74%
9 AM 31° Mostly Clear 18% 3 mph NW 67%
10 AM 32° Partly Cloudy 19% 4 mph NNW 62%
11 AM 33° Partly Cloudy 26% 4 mph N 58%
12 PM 34° Partly Cloudy 28% 6 mph NNE 54%
1 PM 37° Partly Cloudy 31% 6 mph N 53%
2 PM 37° Partly Cloudy 27% 6 mph N 53%
3 PM 37° Partly Cloudy 21% 7 mph N 53%
4 PM 37° Partly Cloudy 18% 6 mph NNE 56%
5 PM 35° Partly Cloudy 17% 6 mph NNE 60%
6 PM 34° Partly Cloudy 14% 5 mph NNE 63%
7 PM 34° Partly Cloudy 14% 5 mph NNE 65%
8 PM 33° Partly Cloudy 14% 5 mph NNE 67%
15-Day Forecast
Today
7/20
Mostly Clear
4%
22°
36°
Tue
7/21
Mostly Clear
28%
24°
37°
Wed
7/22
Partly Cloudy
33%
24°
39°
Thu
7/23
Mostly Cloudy
59%
24°
36°
Fri
7/24
Clear
16%
24°
37°
Sat
7/25
Drizzle
51%
23°
37°
Sun
7/26
Rain
42%
22°
37°
Mon
7/27
Clear
17%
24°
38°
Tue
7/28
Drizzle
44%
24°
38°
Wed
7/29
Rain
68%
23°
39°
Thu
7/30
Drizzle
51%
23°
38°
Fri
7/31
Drizzle
60%
23°
38°
Sat
8/1
Drizzle
60%
22°
37°
Sun
8/2
Drizzle
60%
23°
38°
Mon
8/3
Drizzle
60%
22°
37°
67
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
67 AQI 17.9 µg/m³
O3
Ground-level ozone
30 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 67 Moderate 30 67
Wed 65 Moderate 29 65
Thu 58 Moderate 34 58
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 Tue Jul 21, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1364 J/kg
MLCAPE934 J/kg
MUCAPE1364 J/kg
SBCIN-159 J/kg
MLCIN0 J/kg
Lifted Index-3.4
Kinematics
0–6 km Shear22 kt
0–1 km Shear9 kt
Eff. Shear24 kt
0–1 km SRH-2
0–3 km SRH-25
Eff. SRH-25
Storm Motion354° @ 21 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.6
Thermo & Levels
PWAT1.86 in
0–3 km LR6.1 °C/km
700–500 LR5.4 °C/km
Total Totals42.2
LCL910 hPa
LFC803 hPa
EL166 hPa
Freezing Lvl16,667 ft