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, Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Washington, MS, Humphreys, MS, Holmes, MS, Attala, MS, Winston, MS, Noxubee, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Leake, MS, Neshoba, MS, Kemper, MS, Warren, MS, Hinds, MS, Rankin, MS, Scott, MS, Newton, MS, Lauderdale, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Smith, MS, Jasper, MS, Clarke, MS, Jefferson, 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 Excessive Heat Warning — Bolivar, MS, Sunflower, MS, Leflore, MS, Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Washington, MS, Humphreys, MS, Holmes, MS, Attala, MS, Winston, MS, Noxubee, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Leake, MS, Neshoba, MS, Kemper, MS, Warren, MS, Hinds, MS, Rankin, MS, Scott, MS, Newton, MS, Lauderdale, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Smith, MS, Jasper, MS, Clarke, MS, Jefferson, 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: 7:44 AM CDT  ·  Refresh
26°C
Feels like 29°
Clear
▲ 36°  /  ▼ 23°
Wind
6 mph W
Humidity
86%
Dew Point
23°
Pressure
29.68 inHg
Visibility
9 mi
UV Index
4.6
Cloud Cover
4%
Sunrise
6:11 AM
Sunset
7:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson Davis County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1116 J/kg) — isolated convective development possible. Sunrise: 6:11AM · Sunset: 7:59PM.

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, Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Washington, MS, Humphreys, MS, Holmes, MS, Attala, MS, Winston, MS, Noxubee, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Leake, MS, Neshoba, MS, Kemper, MS, Warren, MS, Hinds, MS, Rankin, MS, Scott, MS, Newton, MS, Lauderdale, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Smith, MS, Jasper, MS, Clarke, MS, Jefferson, 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
Excessive Heat Warning
Bolivar, MS, Sunflower, MS, Leflore, MS, Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Washington, MS, Humphreys, MS, Holmes, MS, Attala, MS, Winston, MS, Noxubee, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Leake, MS, Neshoba, MS, Kemper, MS, Warren, MS, Hinds, MS, Rankin, MS, Scott, MS, Newton, MS, Lauderdale, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Smith, MS, Jasper, MS, Clarke, MS, Jefferson, 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
47 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
16%
8 AM
27°
27%
9 AM
29°
19%
10 AM
31°
12%
11 AM
32°
12%
12 PM
34°
4%
1 PM
34°
4%
2 PM
35°
4%
3 PM
35°
4%
4 PM
34°
5%
5 PM
36°
3%
6 PM
35°
3%
7 PM
34°
3%
8 PM
32°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
28°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
3%
5 AM
25°
3%
6 AM
25°
3%
7-Day Forecast
Today
36° 23°
Mostly Clear.
Mon
37° 25°
Partly Cloudy.
Tue
38° 24°
Clear.
Wed
38° 23°
Mostly Cloudy with a 45% chance of rain.
Thu
38° 22°
Rain, 43% chance.
Fri
33° 22°
Rain, 82% chance.
Sat
37° 22°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 16% 6 mph W 86%
8 AM 27° Clear 27% 8 mph W 75%
9 AM 29° Clear 19% 9 mph W 66%
10 AM 31° Clear 12% 8 mph W 59%
11 AM 32° Clear 12% 8 mph W 53%
12 PM 34° Mostly Clear 4% 8 mph W 47%
1 PM 34° Clear 4% 7 mph W 44%
2 PM 35° Clear 4% 8 mph W 43%
3 PM 35° Mostly Clear 4% 8 mph W 42%
4 PM 34° Mostly Clear 5% 8 mph W 43%
5 PM 36° Mostly Clear 3% 7 mph W 45%
6 PM 35° Partly Cloudy 3% 7 mph W 48%
7 PM 34° Partly Cloudy 3% 6 mph W 52%
8 PM 32° Mostly Clear 3% 5 mph WSW 56%
9 PM 29° Partly Cloudy 3% 4 mph WSW 60%
10 PM 28° Partly Cloudy 3% 4 mph WSW 63%
11 PM 28° Partly Cloudy 3% 4 mph WSW 65%
12 AM 27° Partly Cloudy 3% 5 mph WSW 67%
1 AM 26° Partly Cloudy 3% 4 mph WSW 70%
2 AM 26° Partly Cloudy 3% 4 mph WSW 74%
3 AM 26° Partly Cloudy 3% 5 mph WSW 77%
4 AM 25° Partly Cloudy 3% 5 mph WSW 79%
5 AM 25° Mostly Cloudy 3% 5 mph W 80%
6 AM 25° Mostly Cloudy 3% 5 mph W 82%
15-Day Forecast
Today
7/26
Mostly Clear
16%
23°
36°
Mon
7/27
Partly Cloudy
3%
25°
37°
Tue
7/28
Clear
3%
24°
38°
Wed
7/29
Mostly Cloudy
45%
23°
38°
Thu
7/30
Rain
43%
22°
38°
Fri
7/31
Rain
82%
22°
33°
Sat
8/1
Rain
71%
22°
37°
Sun
8/2
Thunderstorm
90%
22°
36°
Mon
8/3
Rain
68%
22°
35°
Tue
8/4
Rain
64%
22°
35°
Wed
8/5
Drizzle
60%
22°
37°
Thu
8/6
Drizzle
60%
23°
37°
Fri
8/7
Drizzle
60%
22°
38°
Sat
8/8
Drizzle
60%
23°
37°
Sun
8/9
Drizzle
60%
23°
37°
47
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
47 AQI 8.5 µg/m³
O3
Ground-level ozone
26 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 47 Good 26 47
Tue 37 Good 31 37
Wed 43 Good 31 43
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 Jul 26, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE792 J/kg
MLCAPE648 J/kg
MUCAPE1134 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-1.6
Kinematics
0–6 km Shear19 kt
0–1 km Shear11 kt
Eff. Shear27 kt
0–1 km SRH40
0–3 km SRH28
Eff. SRH28
Storm Motion313° @ 21 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.1
Supercell0.4
K-Index22.9
Thermo & Levels
PWAT1.70 in
0–3 km LR4.8 °C/km
700–500 LR5.3 °C/km
Total Totals39.5
LCL972 hPa
LFC1005 hPa
EL189 hPa
Freezing Lvl16,411 ft