Excessive Heat Warning — Bolivar, MS, Sunflower, MS, Leflore, MS, Grenada, MS, Carroll, MS, Washington, MS, Humphreys, 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, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Attala, MS, Winston, MS, Noxubee, MS, Leake, MS, Neshoba, MS, Kemper, MS, Scott, MS, Newton, MS, Lauderdale, MS, Smith, MS, Jasper, MS, Clarke, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS 9:00 PM Heat Advisory — Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Leake, MS, Scott, MS, Newton, MS, Smith, MS, Jasper, MS, Clarke, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS 9:00 PM Heat Advisory — Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, 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, Grenada, MS, Carroll, MS, Leake, MS, Scott, MS, Newton, MS, Smith, MS, Jasper, MS, Clarke, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Attala, MS, Winston, MS, Noxubee, MS, Neshoba, MS, Kemper, MS, Lauderdale, MS 7:00 PM

Jefferson Davis County, Mississippi, United States

Last updated: 7:25 PM CDT  ·  Refresh
31°C
Feels like 38°
Mostly Cloudy
▲ 37°  /  ▼ 23°
Wind
5 mph WSW
Humidity
69%
Dew Point
23°
Pressure
29.49 inHg
Visibility
9 mi
UV Index
1.3
Cloud Cover
67%
Sunrise
6:13 AM
Sunset
7:57 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson Davis County is currently mostly cloudy at 31°C. Precipitation is likely — peak probability 74% around 4 PM. Atmospheric instability is elevated (CAPE up to 2125 J/kg) — isolated convective development possible. Sunrise: 6:13AM · Sunset: 7:57PM.

Alerts

Excessive Heat Warning
Bolivar, MS, Sunflower, MS, Leflore, MS, Grenada, MS, Carroll, MS, Washington, MS, Humphreys, 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, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Attala, MS, Winston, MS, Noxubee, MS, Leake, MS, Neshoba, MS, Kemper, MS, Scott, MS, Newton, MS, Lauderdale, MS, Smith, MS, Jasper, MS, Clarke, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS
Expires 9:00 PM
Heat Advisory
Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Leake, MS, Scott, MS, Newton, MS, Smith, MS, Jasper, MS, Clarke, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS
Expires 9:00 PM
Heat Advisory
Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, 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, Grenada, MS, Carroll, MS, Leake, MS, Scott, MS, Newton, MS, Smith, MS, Jasper, MS, Clarke, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Attala, MS, Winston, MS, Noxubee, MS, Neshoba, MS, Kemper, MS, Lauderdale, MS
Expires 7:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
32%
8 PM
30°
47%
9 PM
27°
39%
10 PM
27°
33%
11 PM
26°
31%
12 AM
26°
26%
1 AM
26°
26%
2 AM
25°
26%
3 AM
24°
27%
4 AM
24°
27%
5 AM
23°
27%
6 AM
23°
28%
7 AM
24°
28%
8 AM
26°
31%
9 AM
28°
31%
10 AM
30°
45%
11 AM
31°
45%
12 PM
31°
49%
1 PM
33°
62%
2 PM
34°
70%
3 PM
34°
71%
4 PM
33°
73%
5 PM
33°
69%
6 PM
32°
70%
7-Day Forecast
Tonight
37° 23°
Mostly Cloudy with a 33% chance of rain.
Thu
36° 23°
Partly Cloudy with a 71% chance of rain.
Fri
36° 23°
Mostly Cloudy with a 75% chance of rain.
Sat
33° 23°
Partly Cloudy with a 60% chance of rain.
Sun
33° 22°
Overcast with a 36% chance of rain.
Mon
33° 20°
Drizzle, 52% chance.
Tue
35° 21°
Clear with a 37% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Cloudy 32% 5 mph WSW 69%
8 PM 30° Overcast 47% 2 mph WNW 77%
9 PM 27° Mostly Cloudy 39% 4 mph NNE 79%
10 PM 27° Partly Cloudy 33% 3 mph NNE 80%
11 PM 26° Partly Cloudy 31% 2 mph WNW 79%
12 AM 26° Mostly Cloudy 26% 3 mph WSW 79%
1 AM 26° Mostly Cloudy 26% 3 mph WSW 79%
2 AM 25° Partly Cloudy 26% 3 mph SW 81%
3 AM 24° Partly Cloudy 27% 3 mph WSW 83%
4 AM 24° Partly Cloudy 27% 3 mph SW 84%
5 AM 23° Partly Cloudy 27% 3 mph SW 85%
6 AM 23° Partly Cloudy 28% 4 mph WSW 85%
7 AM 24° Partly Cloudy 28% 4 mph WSW 83%
8 AM 26° Partly Cloudy 31% 5 mph W 78%
9 AM 28° Partly Cloudy 31% 5 mph W 72%
10 AM 30° Mostly Clear 45% 6 mph WNW 68%
11 AM 31° Mostly Clear 45% 6 mph W 66%
12 PM 31° Partly Cloudy 49% 6 mph W 65%
1 PM 33° Partly Cloudy 62% 5 mph W 64%
2 PM 34° Partly Cloudy 70% 5 mph W 63%
3 PM 34° Mostly Cloudy 71% 5 mph W 62%
4 PM 33° Mostly Cloudy 73% 5 mph W 64%
5 PM 33° Mostly Cloudy 69% 5 mph W 71%
6 PM 32° Mostly Cloudy 70% 5 mph W 78%
15-Day Forecast
Today
7/29
Mostly Cloudy
33%
23°
37°
Thu
7/30
Partly Cloudy
71%
23°
36°
Fri
7/31
Mostly Cloudy
75%
23°
36°
Sat
8/1
Partly Cloudy
60%
23°
33°
Sun
8/2
Overcast
36%
22°
33°
Mon
8/3
Drizzle
52%
20°
33°
Tue
8/4
Clear
37%
21°
35°
Wed
8/5
Clear
37%
22°
36°
Thu
8/6
Drizzle
40%
22°
37°
Fri
8/7
Rain
66%
23°
37°
Sat
8/8
Drizzle
60%
23°
38°
Sun
8/9
Drizzle
60%
23°
37°
Mon
8/10
Drizzle
60%
23°
38°
Tue
8/11
Drizzle
60%
23°
37°
Wed
8/12
Drizzle
60%
23°
37°
51
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
51 AQI 9.2 µg/m³
O3
Ground-level ozone
30 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 30 51
Fri 48 Good 30 48
Sat 54 Moderate 29 54
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 Wed Jul 29, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1806 J/kg
MLCAPE1798 J/kg
MUCAPE1849 J/kg
SBCIN-135 J/kg
MLCIN0 J/kg
Lifted Index-5.1
Kinematics
0–6 km Shear14 kt
0–1 km Shear6 kt
Eff. Shear15 kt
0–1 km SRH10
0–3 km SRH-26
Eff. SRH-26
Storm Motion286° @ 20 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.3
Thermo & Levels
PWAT2.39 in
0–3 km LR6.7 °C/km
700–500 LR5.8 °C/km
Total Totals49.6
LCL887 hPa
LFC813 hPa
EL147 hPa
Freezing Lvl16,647 ft