Severe Thunderstorm Warning — Covington County, MS, Jefferson Davis County, MS, Lawrence County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS 10:15 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

Jefferson Davis County, Mississippi, United States

Last updated: 9:24 PM CDT  ·  Refresh
27°C
Feels like 31°
Overcast
▲ 36°  /  ▼ 23°
Wind
6 mph SSE
Humidity
83%
Dew Point
22°
Pressure
29.63 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
96%
Sunrise
6:27 AM
Sunset
7:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson Davis County is currently overcast at 27°C. Precipitation is likely — peak probability 61% around 6 PM. Atmospheric instability is elevated (CAPE up to 2794 J/kg) — isolated convective development possible. Sunrise: 6:27AM · Sunset: 7:37PM.

Alerts

Severe Thunderstorm Warning
Covington County, MS, Jefferson Davis County, MS, Lawrence County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS
Expires 10:15 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
Expires 8:00 PM
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
32%
10 PM
26°
35%
11 PM
25°
33%
12 AM
24°
19%
1 AM
24°
4%
2 AM
24°
4%
3 AM
23°
4%
4 AM
24°
4%
5 AM
23°
4%
6 AM
23°
3%
7 AM
24°
5%
8 AM
26°
8%
9 AM
29°
8%
10 AM
31°
26%
11 AM
33°
31%
12 PM
34°
37%
1 PM
37°
46%
2 PM
36°
47%
3 PM
36°
60%
4 PM
37°
60%
5 PM
34°
61%
6 PM
32°
61%
7 PM
31°
57%
8 PM
31°
57%
7-Day Forecast
Tonight
36° 23°
Overcast with a 32% chance of rain.
Fri
37° 23°
Rain, 60% chance.
Sat
39° 22°
Partly Cloudy.
Sun
40° 24°
Partly Cloudy with a 65% chance of rain.
Mon
37° 23°
Drizzle, 50% chance.
Tue
39° 23°
Rain, 70% chance.
Wed
38° 23°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Overcast 32% 6 mph SSE 83%
10 PM 26° Overcast 35% 5 mph SSE 86%
11 PM 25° Mostly Cloudy 33% 3 mph SSE 88%
12 AM 24° Partly Cloudy 19% 2 mph SSE 89%
1 AM 24° Partly Cloudy 4% 3 mph S 91%
2 AM 24° Mostly Clear 4% 3 mph S 92%
3 AM 23° Mostly Clear 4% 3 mph SSW 92%
4 AM 24° Mostly Clear 4% 3 mph SW 85%
5 AM 23° Mostly Clear 4% 3 mph SW 86%
6 AM 23° Partly Cloudy 3% 3 mph SSW 86%
7 AM 24° Partly Cloudy 5% 3 mph SW 83%
8 AM 26° Partly Cloudy 8% 3 mph WSW 76%
9 AM 29° Mostly Clear 8% 4 mph WSW 69%
10 AM 31° Clear 26% 4 mph W 62%
11 AM 33° Mostly Clear 31% 4 mph W 56%
12 PM 34° Mostly Clear 37% 4 mph W 50%
1 PM 37° Partly Cloudy 46% 5 mph W 46%
2 PM 36° Partly Cloudy 47% 4 mph W 48%
3 PM 36° Rain 60% 4 mph WNW 50%
4 PM 37° Rain 60% 4 mph WNW 54%
5 PM 34° Rain 61% 4 mph W 63%
6 PM 32° Drizzle 61% 3 mph WSW 72%
7 PM 31° Drizzle 57% 3 mph SW 78%
8 PM 31° Partly Cloudy 57% 3 mph SW 79%
15-Day Forecast
Today
8/20
Overcast
32%
23°
36°
Fri
8/21
Rain
60%
23°
37°
Sat
8/22
Partly Cloudy
14%
22°
39°
Sun
8/23
Partly Cloudy
65%
24°
40°
Mon
8/24
Drizzle
50%
23°
37°
Tue
8/25
Rain
70%
23°
39°
Wed
8/26
Rain
71%
23°
38°
Thu
8/27
Rain
82%
22°
36°
Fri
8/28
Drizzle
44%
21°
38°
Sat
8/29
Drizzle
44%
22°
39°
Sun
8/30
Drizzle
60%
22°
38°
Mon
8/31
Drizzle
60%
23°
39°
Tue
9/1
Drizzle
60%
22°
38°
Wed
9/2
Drizzle
60%
22°
38°
Thu
9/3
Drizzle
60%
22°
37°
42
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
42 AQI 7.5 µg/m³
O3
Ground-level ozone
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 42 Good 37 42
Sat 41 Good 35 41
Sun 44 Good 39 44
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, 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
SBCAPE1186 J/kg
MLCAPE2130 J/kg
MUCAPE2678 J/kg
SBCIN-308 J/kg
MLCIN-108 J/kg
Lifted Index-3.2
Kinematics
0–6 km Shear20 kt
0–1 km Shear3 kt
Eff. Shear21 kt
0–1 km SRH13
0–3 km SRH44
Eff. SRH48
Storm Motion61° @ 15 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.4
K-Index38.3
Thermo & Levels
PWAT2.15 in
0–3 km LR5.6 °C/km
700–500 LR5.7 °C/km
Total Totals49.6
LCL936 hPa
LFC752 hPa
EL204 hPa
Freezing Lvl15,679 ft