Heat Advisory — 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, Scott, 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 7:00 PM

Jefferson Davis County, Mississippi, United States

Last updated: 3:37 AM CDT  ·  Refresh
25°C
Feels like 28°
Clear
▲ 37°  /  ▼ 24°
Wind
2 mph NW
Humidity
82%
Dew Point
22°
Pressure
29.62 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
6%
Sunrise
6:07 AM
Sunset
8:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson Davis County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1758 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 8:03PM.

Alerts

Heat Advisory
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, Scott, 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 7:00 PM
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
25°
3%
8 AM
27°
7%
9 AM
31°
7%
10 AM
33°
7%
11 AM
34°
7%
12 PM
35°
7%
1 PM
36°
16%
2 PM
37°
16%
3 PM
37°
16%
4 PM
36°
19%
5 PM
36°
19%
6 PM
35°
19%
7 PM
34°
20%
8 PM
33°
20%
9 PM
29°
20%
10 PM
27°
11%
11 PM
27°
11%
12 AM
26°
5%
1 AM
26°
5%
2 AM
26°
5%
7-Day Forecast
Today
37° 24°
Mostly Clear with a 20% chance of rain.
Mon
37° 24°
Mostly Cloudy with a 51% chance of rain.
Tue
38° 23°
Drizzle, 54% chance.
Wed
37° 24°
Clear with a 29% chance of rain.
Thu
39° 23°
Clear with a 30% chance of rain.
Fri
39° 23°
Drizzle, 52% chance.
Sat
38° 23°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Clear 3% 2 mph NW 82%
4 AM 24° Clear 3% 3 mph NW 82%
5 AM 23° Clear 3% 3 mph NW 83%
6 AM 23° Clear 3% 3 mph NW 84%
7 AM 25° Clear 3% 4 mph NW 80%
8 AM 27° Clear 7% 5 mph NW 72%
9 AM 31° Clear 7% 6 mph NNW 64%
10 AM 33° Clear 7% 6 mph NNW 58%
11 AM 34° Mostly Clear 7% 5 mph NNW 53%
12 PM 35° Partly Cloudy 7% 5 mph NNW 47%
1 PM 36° Partly Cloudy 16% 5 mph NNW 44%
2 PM 37° Partly Cloudy 16% 5 mph NNW 43%
3 PM 37° Mostly Clear 16% 6 mph NNW 42%
4 PM 36° Mostly Clear 19% 5 mph NNW 44%
5 PM 36° Mostly Clear 19% 5 mph NNW 48%
6 PM 35° Mostly Clear 19% 4 mph NNW 53%
7 PM 34° Mostly Clear 20% 3 mph NNW 59%
8 PM 33° Mostly Clear 20% 3 mph N 64%
9 PM 29° Partly Cloudy 20% 4 mph NE 69%
10 PM 27° Partly Cloudy 11% 4 mph ENE 74%
11 PM 27° Mostly Clear 11% 4 mph ENE 78%
12 AM 26° Mostly Clear 5% 4 mph E 82%
1 AM 26° Mostly Clear 5% 3 mph ENE 84%
2 AM 26° Mostly Clear 5% 2 mph NNE 85%
15-Day Forecast
Today
7/19
Mostly Clear
20%
24°
37°
Mon
7/20
Mostly Cloudy
51%
24°
37°
Tue
7/21
Drizzle
54%
23°
38°
Wed
7/22
Clear
29%
24°
37°
Thu
7/23
Clear
30%
23°
39°
Fri
7/24
Drizzle
52%
23°
39°
Sat
7/25
Rain
63%
23°
38°
Sun
7/26
Drizzle
68%
23°
36°
Mon
7/27
Rain
68%
23°
37°
Tue
7/28
Drizzle
68%
23°
36°
Wed
7/29
Drizzle
60%
23°
37°
Thu
7/30
Drizzle
60%
23°
37°
Fri
7/31
Drizzle
60%
23°
37°
Sat
8/1
Drizzle
60%
23°
38°
Sun
8/2
Drizzle
60%
23°
38°
56
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
56 AQI 12.0 µg/m³
O3
Ground-level ozone
23 AQI 25 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 56 Moderate 23 56
Mon 57 Moderate 29 57
Tue 59 Moderate 31 59
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 19, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE731 J/kg
MLCAPE1280 J/kg
MUCAPE1525 J/kg
SBCIN-318 J/kg
MLCIN0 J/kg
Lifted Index-3.7
Kinematics
0–6 km Shear15 kt
0–1 km Shear3 kt
Eff. Shear12 kt
0–1 km SRH-12
0–3 km SRH-56
Eff. SRH-48
Storm Motion306° @ 22 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index20.0
Thermo & Levels
PWAT1.53 in
0–3 km LR4.6 °C/km
700–500 LR6.5 °C/km
Total Totals43.7
LCL967 hPa
LFC692 hPa
EL224 hPa
Freezing Lvl14,813 ft