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

Jefferson Davis County, Mississippi, United States

Last updated: 6:26 PM CDT  ·  Refresh
26°C
Feels like 30°
Rain
▲ 36°  /  ▼ 22°
Wind
5 mph SW
Humidity
87%
Dew Point
23°
Pressure
29.59 inHg
Visibility
3 mi
UV Index
1.0
Cloud Cover
99%
Sunrise
6:28 AM
Sunset
7:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson Davis County is currently rain at 26°C. Precipitation is likely — peak probability 75% around 6 PM. Atmospheric instability is elevated (CAPE up to 2334 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 7:35PM.

Alerts

Severe Thunderstorm Watch
Expires 8:00 PM
Severe Thunderstorm Watch
Expires 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
Expires 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
Expires 8:00 PM
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
74%
7 PM
28°
54%
8 PM
27°
50%
9 PM
24°
35%
10 PM
24°
28%
11 PM
23°
22%
12 AM
23°
22%
1 AM
23°
4%
2 AM
23°
4%
3 AM
23°
4%
4 AM
22°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
30°
3%
12 PM
32°
3%
1 PM
36°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
5%
5 PM
36°
6%
7-Day Forecast
Tonight
36° 22°
Rain, 74% chance.
Sat
38° 22°
Partly Cloudy with a 22% chance of rain.
Sun
38° 23°
Partly Cloudy with a 25% chance of rain.
Mon
33° 23°
Mostly Cloudy with a 55% chance of rain.
Tue
37° 23°
Rain, 45% chance.
Wed
34° 22°
Rain, 76% chance.
Thu
35° 22°
Rain, 67% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Rain 74% 5 mph SW 87%
7 PM 28° Overcast 54% 5 mph SSW 90%
8 PM 27° Overcast 50% 3 mph SSW 91%
9 PM 24° Overcast 35% 4 mph SW 92%
10 PM 24° Overcast 28% 3 mph WSW 93%
11 PM 23° Overcast 22% 4 mph WSW 94%
12 AM 23° Overcast 22% 3 mph WSW 94%
1 AM 23° Overcast 4% 3 mph WSW 94%
2 AM 23° Overcast 4% 3 mph W 94%
3 AM 23° Overcast 4% 3 mph W 94%
4 AM 22° Overcast 3% 2 mph W 94%
5 AM 22° Overcast 3% 2 mph NW 94%
6 AM 22° Overcast 3% 2 mph NNW 93%
7 AM 22° Mostly Cloudy 3% 2 mph NNW 91%
8 AM 24° Mostly Cloudy 3% 3 mph NNW 84%
9 AM 27° Partly Cloudy 3% 3 mph NNW 77%
10 AM 29° Partly Cloudy 3% 4 mph NNW 70%
11 AM 30° Partly Cloudy 3% 3 mph N 62%
12 PM 32° Partly Cloudy 3% 4 mph N 55%
1 PM 36° Mostly Clear 3% 4 mph N 50%
2 PM 36° Mostly Clear 3% 4 mph N 47%
3 PM 36° Mostly Clear 3% 4 mph N 44%
4 PM 36° Clear 5% 3 mph N 44%
5 PM 36° Clear 6% 3 mph NE 47%
15-Day Forecast
Today
8/21
Rain
74%
22°
36°
Sat
8/22
Partly Cloudy
22%
22°
38°
Sun
8/23
Partly Cloudy
25%
23°
38°
Mon
8/24
Mostly Cloudy
55%
23°
33°
Tue
8/25
Rain
45%
23°
37°
Wed
8/26
Rain
76%
22°
34°
Thu
8/27
Rain
67%
22°
35°
Fri
8/28
Drizzle
57%
23°
37°
Sat
8/29
Thunderstorm
54%
22°
38°
Sun
8/30
Mostly Clear
54%
22°
38°
Mon
8/31
Clear
36%
22°
38°
Tue
9/1
Drizzle
60%
23°
38°
Wed
9/2
Drizzle
60%
23°
38°
Thu
9/3
Drizzle
60%
23°
38°
Fri
9/4
Drizzle
60%
22°
38°
41
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
41 AQI 7.4 µg/m³
O3
Ground-level ozone
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 41 Good 37 41
Sun 41 Good 41 41
Mon 53 Moderate 39 53
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, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1073 J/kg
MLCAPE2182 J/kg
MUCAPE3057 J/kg
SBCIN-242 J/kg
MLCIN-131 J/kg
Lifted Index-4.0
Kinematics
0–6 km Shear15 kt
0–1 km Shear7 kt
Eff. Shear22 kt
0–1 km SRH46
0–3 km SRH95
Eff. SRH95
Storm Motion40° @ 14 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell3.4
K-Index37.0
Thermo & Levels
PWAT2.38 in
0–3 km LR5.3 °C/km
700–500 LR6.0 °C/km
Total Totals51.3
LCL952 hPa
LFC753 hPa
EL175 hPa
Freezing Lvl14,360 ft