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: 4:52 PM CDT  ·  Refresh
34°C
Feels like 39°
Mostly Clear
▲ 35°  /  ▼ 23°
Wind
3 mph NE
Humidity
55%
Dew Point
23°
Pressure
29.66 inHg
Visibility
10 mi
UV Index
7.1
Cloud Cover
16%
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 2367 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°
10%
5 PM
35°
33%
6 PM
34°
33%
7 PM
32°
32%
8 PM
31°
32%
9 PM
27°
25%
10 PM
26°
25%
11 PM
25°
18%
12 AM
24°
19%
1 AM
24°
8%
2 AM
24°
8%
3 AM
24°
9%
4 AM
24°
9%
5 AM
23°
9%
6 AM
24°
9%
7 AM
26°
9%
8 AM
27°
16%
9 AM
30°
16%
10 AM
31°
16%
11 AM
32°
17%
12 PM
33°
17%
1 PM
34°
17%
2 PM
34°
17%
3 PM
34°
18%
7-Day Forecast
Today
35° 23°
Mostly Clear with a 32% chance of rain.
Wed
36° 23°
Mostly Clear with a 31% chance of rain.
Thu
37° 23°
Partly Cloudy with a 31% chance of rain.
Fri
35° 22°
Partly Cloudy with a 82% 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 10% 3 mph NE 55%
5 PM 35° Mostly Clear 33% 3 mph NE 57%
6 PM 34° Partly Cloudy 33% 3 mph ENE 61%
7 PM 32° Partly Cloudy 32% 4 mph E 68%
8 PM 31° Partly Cloudy 32% 4 mph E 73%
9 PM 27° Partly Cloudy 25% 5 mph E 77%
10 PM 26° Partly Cloudy 25% 4 mph E 79%
11 PM 25° Partly Cloudy 18% 3 mph ENE 80%
12 AM 24° Partly Cloudy 19% 2 mph NE 82%
1 AM 24° Partly Cloudy 8% 2 mph NE 83%
2 AM 24° Partly Cloudy 8% 2 mph NNE 84%
3 AM 24° Partly Cloudy 9% 2 mph NNE 85%
4 AM 24° Partly Cloudy 9% 2 mph NE 86%
5 AM 23° Partly Cloudy 9% 2 mph NE 85%
6 AM 24° Partly Cloudy 9% 2 mph NNE 85%
7 AM 26° Mostly Clear 9% 3 mph NE 80%
8 AM 27° Mostly Clear 16% 4 mph NE 72%
9 AM 30° Clear 16% 5 mph ENE 64%
10 AM 31° Mostly Clear 16% 5 mph ENE 61%
11 AM 32° Mostly Clear 17% 5 mph ENE 59%
12 PM 33° Mostly Clear 17% 6 mph ENE 57%
1 PM 34° Mostly Clear 17% 6 mph ENE 56%
2 PM 34° Mostly Clear 17% 6 mph ENE 55%
3 PM 34° Mostly Clear 18% 6 mph ENE 55%
15-Day Forecast
Today
6/30
Mostly Clear
32%
23°
35°
Wed
7/1
Mostly Clear
31%
23°
36°
Thu
7/2
Partly Cloudy
31%
23°
37°
Fri
7/3
Partly Cloudy
82%
22°
35°
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
Drizzle
90%
23°
33°
Fri
7/10
Drizzle
60%
23°
33°
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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2930 J/kg
MLCAPE1864 J/kg
MUCAPE2930 J/kg
SBCIN0 J/kg
MLCIN-0 J/kg
Lifted Index-7.4
Kinematics
0–6 km Shear15 kt
0–1 km Shear1 kt
Eff. Shear20 kt
0–1 km SRH0
0–3 km SRH-20
Eff. SRH-20
Storm Motion61° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index19.4
Thermo & Levels
PWAT1.74 in
0–3 km LR7.1 °C/km
700–500 LR7.0 °C/km
Total Totals47.7
LCL855 hPa
LFC1004 hPa
EL144 hPa
Freezing Lvl15,138 ft