Heat Advisory — Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Warren, MS, Hinds, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS, Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Holmes, MS, Attala, MS, Winston, MS, Noxubee, MS, Madison, MS, Leake, MS, Neshoba, MS, Kemper, MS, Rankin, MS, Scott, MS, Newton, MS, Lauderdale, MS, Smith, MS, Jasper, MS, Clarke, MS 9:00 PM Excessive Heat Warning — 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, 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

Jefferson Davis County, Mississippi, United States

Last updated: 3:50 PM CDT  ·  Refresh
34°C
Feels like 39°
Mostly Clear
▲ 35°  /  ▼ 23°
Wind
3 mph NE
Humidity
54%
Dew Point
23°
Pressure
29.68 inHg
Visibility
10 mi
UV Index
8.4
Cloud Cover
19%
Sunrise
5:57 AM
Sunset
8:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson Davis County is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2398 J/kg) — isolated convective development possible. Sunrise: 5:57AM · Sunset: 8:08PM.

Alerts

Heat Advisory
Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Warren, MS, Hinds, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS, Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Holmes, MS, Attala, MS, Winston, MS, Noxubee, MS, Madison, MS, Leake, MS, Neshoba, MS, Kemper, MS, Rankin, MS, Scott, MS, Newton, MS, Lauderdale, MS, Smith, MS, Jasper, MS, Clarke, MS
Expires 9:00 PM
Excessive Heat Warning
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, 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
50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
5%
4 PM
35°
9%
5 PM
35°
12%
6 PM
34°
12%
7 PM
32°
12%
8 PM
30°
12%
9 PM
26°
5%
10 PM
26°
5%
11 PM
25°
5%
12 AM
24°
5%
1 AM
24°
8%
2 AM
24°
9%
3 AM
24°
9%
4 AM
24°
9%
5 AM
23°
9%
6 AM
24°
9%
7 AM
25°
9%
8 AM
27°
16%
9 AM
29°
16%
10 AM
31°
17%
11 AM
31°
21%
12 PM
32°
21%
1 PM
33°
21%
2 PM
33°
27%
7-Day Forecast
Today
35° 23°
Mostly Clear.
Wed
36° 23°
Mostly Clear with a 31% chance of rain.
Thu
36° 23°
Mostly Cloudy with a 31% chance of rain.
Fri
34° 24°
Partly Cloudy with a 71% chance of rain.
Sat
34° 22°
Drizzle, 60% chance.
Sun
33° 22°
Rain, 90% chance.
Mon
33° 22°
Drizzle, 68% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 5% 3 mph NE 54%
4 PM 35° Mostly Clear 9% 4 mph NE 55%
5 PM 35° Mostly Clear 12% 4 mph ENE 59%
6 PM 34° Partly Cloudy 12% 3 mph ENE 63%
7 PM 32° Partly Cloudy 12% 3 mph E 68%
8 PM 30° Partly Cloudy 12% 4 mph E 74%
9 PM 26° Partly Cloudy 5% 5 mph E 80%
10 PM 26° Partly Cloudy 5% 4 mph E 82%
11 PM 25° Partly Cloudy 5% 3 mph ENE 84%
12 AM 24° Partly Cloudy 5% 3 mph NE 86%
1 AM 24° Partly Cloudy 8% 2 mph NE 86%
2 AM 24° Partly Cloudy 9% 2 mph NNE 87%
3 AM 24° Partly Cloudy 9% 2 mph N 87%
4 AM 24° Partly Cloudy 9% 2 mph NNE 87%
5 AM 23° Partly Cloudy 9% 2 mph N 87%
6 AM 24° Partly Cloudy 9% 2 mph NNE 87%
7 AM 25° Mostly Clear 9% 2 mph NE 81%
8 AM 27° Mostly Clear 16% 3 mph ENE 73%
9 AM 29° Clear 16% 4 mph ENE 67%
10 AM 31° Clear 17% 4 mph ENE 64%
11 AM 31° Clear 21% 4 mph ENE 60%
12 PM 32° Clear 21% 5 mph ENE 57%
1 PM 33° Mostly Clear 21% 5 mph ENE 57%
2 PM 33° Mostly Clear 27% 5 mph ENE 58%
15-Day Forecast
Today
6/30
Mostly Clear
12%
23°
35°
Wed
7/1
Mostly Clear
31%
23°
36°
Thu
7/2
Mostly Cloudy
31%
23°
36°
Fri
7/3
Partly Cloudy
71%
24°
34°
Sat
7/4
Drizzle
60%
22°
34°
Sun
7/5
Rain
90%
22°
33°
Mon
7/6
Drizzle
68%
22°
33°
Tue
7/7
Drizzle
60%
22°
34°
Wed
7/8
Drizzle
60%
22°
34°
Thu
7/9
Rain
90%
23°
35°
Fri
7/10
Drizzle
60%
23°
34°
Sat
7/11
Rain
90%
23°
34°
Sun
7/12
Drizzle
60%
22°
33°
Mon
7/13
Rain
90%
22°
33°
Tue
7/14
Drizzle
60%
22°
34°
50
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
50 AQI 9.0 µg/m³
O3
Ground-level ozone
31 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 50 Good 31 50
Thu 52 Moderate 31 52
Fri 47 Good 29 47
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 Tue Jun 30, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3241 J/kg
MLCAPE1975 J/kg
MUCAPE3241 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.9
Kinematics
0–6 km Shear16 kt
0–1 km Shear1 kt
Eff. Shear22 kt
0–1 km SRH-2
0–3 km SRH-22
Eff. SRH-22
Storm Motion56° @ 20 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index19.9
Thermo & Levels
PWAT1.74 in
0–3 km LR7.2 °C/km
700–500 LR7.0 °C/km
Total Totals47.0
LCL857 hPa
LFC1005 hPa
EL140 hPa
Freezing Lvl15,089 ft