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, 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, 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: 12:50 AM CDT  ·  Refresh
27°C
Feels like 30°
Mostly Clear
▲ 37°  /  ▼ 24°
Wind
2 mph W
Humidity
71%
Dew Point
21°
Pressure
29.59 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
21%
Sunrise
6:12 AM
Sunset
7:58 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson Davis County is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1824 J/kg) — isolated convective development possible. Sunrise: 6:12AM · Sunset: 7:58PM.

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, 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, 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
43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
11%
1 AM
26°
11%
2 AM
25°
12%
3 AM
24°
4%
4 AM
24°
12%
5 AM
23°
12%
6 AM
23°
12%
7 AM
26°
25%
8 AM
28°
25%
9 AM
31°
26%
10 AM
32°
18%
11 AM
33°
16%
12 PM
34°
16%
1 PM
37°
24%
2 PM
37°
24%
3 PM
37°
25%
4 PM
36°
28%
5 PM
37°
26%
6 PM
36°
26%
7 PM
36°
27%
8 PM
35°
27%
9 PM
30°
28%
10 PM
29°
19%
11 PM
29°
19%
7-Day Forecast
Today
37° 24°
Partly Cloudy with a 26% chance of rain.
Tue
38° 24°
Partly Cloudy.
Wed
38° 24°
Drizzle, 54% chance.
Thu
38° 23°
Partly Cloudy with a 63% chance of rain.
Fri
37° 23°
Rain, 64% chance.
Sat
36° 22°
Rain, 90% chance.
Sun
34° 22°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 11% 2 mph W 71%
1 AM 26° Partly Cloudy 11% 4 mph W 73%
2 AM 25° Mostly Clear 12% 4 mph WSW 75%
3 AM 24° Mostly Clear 4% 3 mph WSW 78%
4 AM 24° Mostly Clear 12% 4 mph W 80%
5 AM 23° Mostly Clear 12% 4 mph W 82%
6 AM 23° Mostly Clear 12% 4 mph W 85%
7 AM 26° Partly Cloudy 25% 5 mph W 80%
8 AM 28° Mostly Cloudy 25% 6 mph WNW 73%
9 AM 31° Partly Cloudy 26% 7 mph WNW 67%
10 AM 32° Partly Cloudy 18% 6 mph WNW 60%
11 AM 33° Partly Cloudy 16% 6 mph WNW 53%
12 PM 34° Partly Cloudy 16% 5 mph W 47%
1 PM 37° Partly Cloudy 24% 6 mph W 45%
2 PM 37° Partly Cloudy 24% 7 mph W 44%
3 PM 37° Mostly Cloudy 25% 7 mph W 43%
4 PM 36° Mostly Cloudy 28% 7 mph W 46%
5 PM 37° Mostly Cloudy 26% 6 mph WSW 50%
6 PM 36° Mostly Cloudy 26% 6 mph WSW 54%
7 PM 36° Mostly Cloudy 27% 5 mph WSW 58%
8 PM 35° Partly Cloudy 27% 5 mph WSW 61%
9 PM 30° Partly Cloudy 28% 5 mph WSW 63%
10 PM 29° Partly Cloudy 19% 5 mph WSW 65%
11 PM 29° Partly Cloudy 19% 5 mph W 67%
15-Day Forecast
Today
7/27
Partly Cloudy
26%
24°
37°
Tue
7/28
Partly Cloudy
10%
24°
38°
Wed
7/29
Drizzle
54%
24°
38°
Thu
7/30
Partly Cloudy
63%
23°
38°
Fri
7/31
Rain
64%
23°
37°
Sat
8/1
Rain
90%
22°
36°
Sun
8/2
Rain
82%
22°
34°
Mon
8/3
Drizzle
43%
21°
36°
Tue
8/4
Rain
68%
22°
37°
Wed
8/5
Drizzle
51%
23°
37°
Thu
8/6
Drizzle
60%
23°
38°
Fri
8/7
Drizzle
60%
23°
37°
Sat
8/8
Drizzle
60%
23°
36°
Sun
8/9
Drizzle
60%
23°
37°
Mon
8/10
Drizzle
60%
23°
37°
43
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
43 AQI 7.9 µg/m³
O3
Ground-level ozone
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 43 Good 24 43
Tue 34 Good 28 34
Wed 42 Good 29 42
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 Mon Jul 27, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE61 J/kg
MLCAPE4 J/kg
MUCAPE250 J/kg
SBCIN-447 J/kg
MLCIN0 J/kg
Lifted Index0.9
Kinematics
0–6 km Shear9 kt
0–1 km Shear7 kt
Eff. Shear—
0–1 km SRH14
0–3 km SRH-31
Eff. SRH—
Storm Motion300° @ 18 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index28.8
Thermo & Levels
PWAT1.64 in
0–3 km LR5.2 °C/km
700–500 LR4.9 °C/km
Total Totals37.6
LCL929 hPa
LFC400 hPa
EL253 hPa
Freezing Lvl17,375 ft