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: 6:24 PM CDT  ·  Refresh
33°C
Feels like 40°
Mostly Cloudy
▲ 37°  /  ▼ 23°
Wind
6 mph WSW
Humidity
61%
Dew Point
23°
Pressure
29.48 inHg
Visibility
9 mi
UV Index
3.3
Cloud Cover
65%
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 33°C. Precipitation is likely — peak probability 78% around 6 PM. Atmospheric instability is elevated (CAPE up to 2061 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
33°
27%
7 PM
32°
47%
8 PM
31°
46%
9 PM
28°
38%
10 PM
27°
33%
11 PM
27°
31%
12 AM
26°
31%
1 AM
26°
26%
2 AM
25°
27%
3 AM
24°
27%
4 AM
24°
27%
5 AM
23°
28%
6 AM
23°
28%
7 AM
24°
29%
8 AM
26°
31%
9 AM
28°
32%
10 AM
30°
42%
11 AM
31°
46%
12 PM
31°
49%
1 PM
34°
62%
2 PM
34°
71%
3 PM
33°
71%
4 PM
33°
74%
5 PM
32°
69%
7-Day Forecast
Tonight
37° 23°
Mostly Cloudy with a 38% chance of rain.
Thu
36° 23°
Partly Cloudy with a 77% chance of rain.
Fri
36° 23°
Mostly Cloudy with a 75% chance of rain.
Sat
33° 23°
Partly Cloudy with a 57% chance of rain.
Sun
33° 22°
Overcast with a 54% chance of rain.
Mon
33° 20°
Drizzle, 52% chance.
Tue
35° 21°
Clear with a 37% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Cloudy 27% 6 mph WSW 61%
7 PM 32° Mostly Cloudy 47% 5 mph WSW 71%
8 PM 31° Mostly Cloudy 46% 4 mph WSW 76%
9 PM 28° Overcast 38% 4 mph W 78%
10 PM 27° Mostly Cloudy 33% 3 mph WNW 78%
11 PM 27° Mostly Cloudy 31% 2 mph WNW 78%
12 AM 26° Mostly Cloudy 31% 3 mph WSW 78%
1 AM 26° Partly Cloudy 26% 3 mph SW 78%
2 AM 25° Partly Cloudy 27% 3 mph WSW 80%
3 AM 24° Partly Cloudy 27% 3 mph SW 82%
4 AM 24° Partly Cloudy 27% 3 mph SW 84%
5 AM 23° Partly Cloudy 28% 3 mph SW 85%
6 AM 23° Partly Cloudy 28% 4 mph WSW 85%
7 AM 24° Partly Cloudy 29% 4 mph WSW 83%
8 AM 26° Partly Cloudy 31% 5 mph W 78%
9 AM 28° Mostly Clear 32% 5 mph W 72%
10 AM 30° Mostly Clear 42% 6 mph WNW 67%
11 AM 31° Mostly Clear 46% 6 mph W 64%
12 PM 31° Mostly Clear 49% 6 mph W 64%
1 PM 34° Partly Cloudy 62% 6 mph W 64%
2 PM 34° Partly Cloudy 71% 5 mph W 63%
3 PM 33° Partly Cloudy 71% 5 mph W 62%
4 PM 33° Mostly Cloudy 74% 5 mph W 64%
5 PM 32° Mostly Cloudy 69% 5 mph W 71%
15-Day Forecast
Today
7/29
Mostly Cloudy
38%
23°
37°
Thu
7/30
Partly Cloudy
77%
23°
36°
Fri
7/31
Mostly Cloudy
75%
23°
36°
Sat
8/1
Partly Cloudy
57%
23°
33°
Sun
8/2
Overcast
54%
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
39%
22°
37°
Fri
8/7
Rain
66%
23°
37°
Sat
8/8
Mostly Cloudy
39%
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
Thu 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, 22:00'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
SBCAPE1801 J/kg
MLCAPE1586 J/kg
MUCAPE1801 J/kg
SBCIN-105 J/kg
MLCIN0 J/kg
Lifted Index-4.9
Kinematics
0–6 km Shear15 kt
0–1 km Shear3 kt
Eff. Shear14 kt
0–1 km SRH3
0–3 km SRH-33
Eff. SRH-33
Storm Motion284° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.0
Thermo & Levels
PWAT2.27 in
0–3 km LR7.5 °C/km
700–500 LR5.4 °C/km
Total Totals48.3
LCL858 hPa
LFC801 hPa
EL147 hPa
Freezing Lvl16,736 ft