Severe Thunderstorm Warning — Copiah County, MS, Jefferson Davis County, MS, Lawrence County, MS, Lincoln County, MS, Marion County, MS 5:15 PM Severe Thunderstorm Warning — Adams County, MS, Copiah County, MS, Franklin County, MS, Jefferson County, MS, Lincoln County, MS 5:15 PM Severe Thunderstorm Watch 8:00 PM Severe Thunderstorm Watch 8:00 PM Extreme Heat Warning — Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Marion, MS 8:00 PM Heat Advisory — Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Marion, MS 8:00 PM

Copiah County, Mississippi, United States

Last updated: 5:00 PM CDT  ·  Refresh
34°C
Feels like 38°
Overcast
▲ 37°  /  ▼ 22°
Wind
10 mph W
Humidity
48%
Dew Point
22°
Pressure
29.62 inHg
Visibility
6 mi
UV Index
3.4
Cloud Cover
85%
Sunrise
6:30 AM
Sunset
7:38 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Copiah County is currently overcast at 34°C. Precipitation is likely — peak probability 69% around 6 PM. Atmospheric instability is elevated (CAPE up to 2102 J/kg) — isolated convective development possible. Sunrise: 6:30AM · Sunset: 7:38PM.

44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
67%
6 PM
32°
69%
7 PM
30°
48%
8 PM
29°
48%
9 PM
28°
29%
10 PM
26°
22%
11 PM
26°
22%
12 AM
25°
20%
1 AM
24°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
23°
3%
5 AM
23°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
26°
8%
10 AM
29°
8%
11 AM
30°
8%
12 PM
33°
8%
1 PM
34°
8%
2 PM
37°
8%
3 PM
37°
11%
4 PM
39°
12%
7-Day Forecast
Today
37° 22°
Overcast with a 67% chance of rain.
Sat
41° 22°
Partly Cloudy.
Sun
41° 24°
Mostly Clear with a 37% chance of rain.
Mon
36° 23°
Partly Cloudy with a 45% chance of rain.
Tue
38° 23°
Mostly Clear with a 48% chance of rain.
Wed
38° 23°
Heavy Rain, 83% chance.
Thu
34° 23°
Rain, 83% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Overcast 67% 10 mph W 48%
6 PM 32° Heavy Rain 69% 10 mph SSE 60%
7 PM 30° Rain 48% 10 mph SSW 69%
8 PM 29° Overcast 48% 6 mph SSW 73%
9 PM 28° Mostly Cloudy 29% 4 mph SSW 77%
10 PM 26° Mostly Cloudy 22% 3 mph SW 80%
11 PM 26° Mostly Cloudy 22% 3 mph SW 82%
12 AM 25° Mostly Cloudy 20% 3 mph SW 84%
1 AM 24° Mostly Cloudy 3% 3 mph WSW 86%
2 AM 24° Mostly Cloudy 3% 3 mph W 86%
3 AM 24° Partly Cloudy 3% 3 mph WNW 87%
4 AM 23° Partly Cloudy 3% 3 mph WNW 88%
5 AM 23° Partly Cloudy 3% 3 mph WNW 88%
6 AM 22° Partly Cloudy 3% 3 mph NW 88%
7 AM 22° Partly Cloudy 3% 3 mph NW 88%
8 AM 24° Partly Cloudy 3% 3 mph WNW 79%
9 AM 26° Partly Cloudy 8% 3 mph NW 70%
10 AM 29° Partly Cloudy 8% 3 mph NW 62%
11 AM 30° Partly Cloudy 8% 4 mph NW 57%
12 PM 33° Partly Cloudy 8% 4 mph NNW 52%
1 PM 34° Partly Cloudy 8% 5 mph NNW 47%
2 PM 37° Partly Cloudy 8% 5 mph NNW 44%
3 PM 37° Partly Cloudy 11% 5 mph NNW 41%
4 PM 39° Mostly Clear 12% 5 mph NNW 38%
15-Day Forecast
Today
8/21
Overcast
67%
22°
37°
Sat
8/22
Partly Cloudy
13%
22°
41°
Sun
8/23
Mostly Clear
37%
24°
41°
Mon
8/24
Partly Cloudy
45%
23°
36°
Tue
8/25
Mostly Clear
48%
23°
38°
Wed
8/26
Heavy Rain
83%
23°
38°
Thu
8/27
Rain
83%
23°
34°
Fri
8/28
Drizzle
54%
22°
38°
Sat
8/29
Drizzle
47%
23°
38°
Sun
8/30
Rain
66%
22°
41°
Mon
8/31
Drizzle
60%
23°
40°
Tue
9/1
Drizzle
60%
23°
40°
Wed
9/2
Drizzle
60%
23°
40°
Thu
9/3
Drizzle
60%
23°
40°
Fri
9/4
Drizzle
60%
22°
39°
44
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
44 AQI 7.9 µg/m³
O3
Ground-level ozone
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 44 Good 41 44
Sun 45 Good 45 42
Mon 49 Good 40 49
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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3227 J/kg
MLCAPE3187 J/kg
MUCAPE3615 J/kg
SBCIN-86 J/kg
MLCIN-54 J/kg
Lifted Index-6.8
Kinematics
0–6 km Shear12 kt
0–1 km Shear5 kt
Eff. Shear12 kt
0–1 km SRH15
0–3 km SRH64
Eff. SRH64
Storm Motion44° @ 10 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index42.8
Thermo & Levels
PWAT2.23 in
0–3 km LR8.0 °C/km
700–500 LR5.9 °C/km
Total Totals52.4
LCL847 hPa
LFC798 hPa
EL146 hPa
Freezing Lvl15,223 ft