Heat Advisory — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 7:00 PM Excessive Heat Warning — Adams, MS, Grenada, MS, Carroll, 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, Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, 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, Newton, MS, Lauderdale, MS, Scott, MS, Smith, MS, Jasper, MS, Clarke, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS 9:00 PM

Jackson, Mississippi

Last updated: 10:55 AM CDT  ·  Refresh
33°C
Feels like 38°
Mostly Clear
▲ 37°  /  ▼ 24°
Wind
3 mph E
Humidity
59%
Dew Point
24°
Pressure
29.53 inHg
Visibility
10 mi
UV Index
9.0
Cloud Cover
14%
Sunrise
6:08 AM
Sunset
8:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jackson is currently mostly clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2212 J/kg) — isolated convective development possible. Sunrise: 6:08AM · Sunset: 8:05PM.

Alerts

Heat Advisory
Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 7:00 PM
Excessive Heat Warning
Adams, MS, Grenada, MS, Carroll, 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, Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, 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, Newton, MS, Lauderdale, MS, Scott, MS, Smith, MS, Jasper, MS, Clarke, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS
Expires 9:00 PM
69 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
20%
11 AM
33°
25%
12 PM
34°
23%
1 PM
36°
18%
2 PM
36°
5%
3 PM
36°
6%
4 PM
36°
8%
5 PM
35°
4%
6 PM
34°
4%
7 PM
33°
5%
8 PM
32°
5%
9 PM
29°
5%
10 PM
29°
3%
11 PM
28°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
8%
4 AM
25°
9%
5 AM
24°
9%
6 AM
24°
9%
7 AM
26°
9%
8 AM
27°
12%
9 AM
29°
12%
7-Day Forecast
Today
37° 24°
Mostly Clear with a 20% chance of rain.
Wed
36° 24°
Mostly Clear with a 48% chance of rain.
Thu
36° 23°
Partly Cloudy with a 55% chance of rain.
Fri
35° 24°
Mostly Clear with a 50% chance of rain.
Sat
34° 23°
Drizzle, 58% chance.
Sun
36° 23°
Drizzle, 51% chance.
Mon
37° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 20% 3 mph E 59%
11 AM 33° Mostly Clear 25% 4 mph NE 55%
12 PM 34° Partly Cloudy 23% 6 mph NNE 52%
1 PM 36° Mostly Clear 18% 6 mph NNE 52%
2 PM 36° Mostly Clear 5% 6 mph NE 51%
3 PM 36° Partly Cloudy 6% 7 mph NE 50%
4 PM 36° Mostly Clear 8% 7 mph NE 52%
5 PM 35° Mostly Clear 4% 7 mph NE 53%
6 PM 34° Clear 4% 6 mph NE 56%
7 PM 33° Partly Cloudy 5% 5 mph ENE 60%
8 PM 32° Partly Cloudy 5% 4 mph ENE 63%
9 PM 29° Partly Cloudy 5% 4 mph ENE 66%
10 PM 29° Partly Cloudy 3% 5 mph E 69%
11 PM 28° Partly Cloudy 3% 4 mph E 72%
12 AM 27° Partly Cloudy 3% 5 mph ESE 74%
1 AM 26° Partly Cloudy 3% 5 mph ESE 77%
2 AM 26° Partly Cloudy 3% 4 mph E 79%
3 AM 25° Partly Cloudy 8% 5 mph E 82%
4 AM 25° Partly Cloudy 9% 5 mph E 82%
5 AM 24° Partly Cloudy 9% 5 mph E 83%
6 AM 24° Partly Cloudy 9% 5 mph E 84%
7 AM 26° Partly Cloudy 9% 6 mph E 79%
8 AM 27° Partly Cloudy 12% 6 mph ENE 74%
9 AM 29° Partly Cloudy 12% 7 mph ENE 68%
15-Day Forecast
Today
7/21
Mostly Clear
20%
24°
37°
Wed
7/22
Mostly Clear
48%
24°
36°
Thu
7/23
Partly Cloudy
55%
23°
36°
Fri
7/24
Mostly Clear
50%
24°
35°
Sat
7/25
Drizzle
58%
23°
34°
Sun
7/26
Drizzle
51%
23°
36°
Mon
7/27
Clear
8%
23°
37°
Tue
7/28
Clear
43%
24°
39°
Wed
7/29
Drizzle
44%
24°
39°
Thu
7/30
Drizzle
44%
24°
39°
Fri
7/31
Drizzle
60%
24°
38°
Sat
8/1
Drizzle
60%
23°
38°
Sun
8/2
Drizzle
60%
23°
37°
Mon
8/3
Drizzle
60%
22°
36°
Tue
8/4
Drizzle
60%
22°
36°
69
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
69 AQI 18.7 µg/m³
O3
Ground-level ozone
29 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 69 Moderate 29 69
Thu 54 Moderate 31 54
Fri 56 Moderate 29 56
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 Jul 21, 14:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3072 J/kg
MLCAPE1604 J/kg
MUCAPE3072 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.4
Kinematics
0–6 km Shear16 kt
0–1 km Shear9 kt
Eff. Shear25 kt
0–1 km SRH-39
0–3 km SRH-54
Eff. SRH-54
Storm Motion335° @ 21 kt
0–1 km EHI-0.7
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.4
Thermo & Levels
PWAT2.21 in
0–3 km LR7.1 °C/km
700–500 LR5.3 °C/km
Total Totals44.6
LCL886 hPa
LFC1000 hPa
EL128 hPa
Freezing Lvl17,234 ft