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, 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, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Marion, MS 7:00 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, 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, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Marion, MS 7:00 PM

Jefferson Davis County, Mississippi, United States

Last updated: 3:51 PM CDT  ·  Refresh
92°F
Feels like 104°
Partly Cloudy
▲ 93°  /  ▼ 73°
Wind
5 mph WSW
Humidity
60%
Dew Point
73°
Pressure
29.62 inHg
Visibility
10 mi
UV Index
6.9
Cloud Cover
46%
Sunrise
6:42 AM
Sunset
7:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson Davis County is currently partly cloudy at 92°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2130 J/kg) — isolated convective development possible. Sunrise: 6:42AM · Sunset: 7:07PM.

Alerts

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, 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, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Marion, MS
Expires 7:00 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, 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, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Marion, MS
Expires 7:00 PM
30 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
92°
24%
4 PM
89°
37%
5 PM
89°
36%
6 PM
86°
16%
7 PM
84°
8%
8 PM
82°
8%
9 PM
79°
8%
10 PM
78°
8%
11 PM
77°
8%
12 AM
77°
8%
1 AM
77°
8%
2 AM
76°
9%
3 AM
76°
9%
4 AM
75°
9%
5 AM
74°
9%
6 AM
73°
9%
7 AM
76°
16%
8 AM
79°
16%
9 AM
83°
27%
10 AM
87°
27%
11 AM
88°
28%
12 PM
90°
24%
1 PM
91°
24%
2 PM
90°
29%
7-Day Forecast
Today
93° 73°
Partly Cloudy with a 24% chance of rain.
Mon
98° 73°
Mostly Clear with a 33% chance of rain.
Tue
99° 74°
Partly Cloudy with a 31% chance of rain.
Wed
94° 74°
Mostly Cloudy with a 30% chance of rain.
Thu
96° 70°
Clear.
Fri
97° 70°
Drizzle, 60% chance.
Sat
96° 70°
Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 92° Partly Cloudy 24% 5 mph WSW 60%
4 PM 89° Partly Cloudy 37% 4 mph WSW 69%
5 PM 89° Partly Cloudy 36% 2 mph W 73%
6 PM 86° Partly Cloudy 16% 2 mph SW 78%
7 PM 84° Partly Cloudy 8% 3 mph S 79%
8 PM 82° Partly Cloudy 8% 3 mph S 79%
9 PM 79° Partly Cloudy 8% 5 mph SSW 79%
10 PM 78° Partly Cloudy 8% 3 mph SSW 81%
11 PM 77° Mostly Clear 8% 3 mph SSW 83%
12 AM 77° Mostly Clear 8% 3 mph SW 85%
1 AM 77° Mostly Clear 8% 3 mph WSW 86%
2 AM 76° Mostly Clear 9% 3 mph WSW 87%
3 AM 76° Clear 9% 3 mph WSW 89%
4 AM 75° Clear 9% 3 mph W 89%
5 AM 74° Clear 9% 3 mph W 89%
6 AM 73° Clear 9% 2 mph W 90%
7 AM 76° Clear 16% 2 mph WNW 85%
8 AM 79° Clear 16% 3 mph WNW 78%
9 AM 83° Clear 27% 3 mph NW 72%
10 AM 87° Mostly Clear 27% 3 mph NW 67%
11 AM 88° Mostly Clear 28% 3 mph NW 64%
12 PM 90° Partly Cloudy 24% 3 mph NW 60%
1 PM 91° Partly Cloudy 24% 2 mph WNW 59%
2 PM 90° Partly Cloudy 29% 2 mph WNW 59%
15-Day Forecast
Today
9/13
Partly Cloudy
24%
73°
93°
Mon
9/14
Mostly Clear
33%
73°
98°
Tue
9/15
Partly Cloudy
31%
74°
99°
Wed
9/16
Mostly Cloudy
30%
74°
94°
Thu
9/17
Clear
9%
70°
96°
Fri
9/18
Drizzle
60%
70°
97°
Sat
9/19
Clear
35%
70°
96°
Sun
9/20
Drizzle
60%
68°
94°
Mon
9/21
Drizzle
60%
65°
93°
Tue
9/22
Drizzle
60%
66°
91°
Wed
9/23
Drizzle
60%
58°
90°
Thu
9/24
Drizzle
60%
66°
88°
Fri
9/25
Drizzle
60%
65°
89°
Sat
9/26
Drizzle
60%
64°
88°
Sun
9/27
Drizzle
60%
64°
89°
30
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
27 AQI 4.9 µg/m³
O3
Ground-level ozone
Dominant
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 30 Good 30 27
Tue 38 Good 32 38
Wed 47 Good 36 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 Sun Sep 13, 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
SBCAPE2725 J/kg
MLCAPE2844 J/kg
MUCAPE3293 J/kg
SBCIN-9 J/kg
MLCIN-9 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear7 kt
0–1 km Shear2 kt
Eff. Shear2 kt
0–1 km SRH6
0–3 km SRH27
Eff. SRH27
Storm Motion110° @ 11 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.4
Thermo & Levels
PWAT1.98 in
0–3 km LR8.3 °C/km
700–500 LR4.4 °C/km
Total Totals45.3
LCL862 hPa
LFC831 hPa
EL140 hPa
Freezing Lvl16,385 ft