Severe Thunderstorm Watch 8:00 PM Severe Thunderstorm Watch 8:00 PM Extreme Heat Warning — 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 8:00 PM 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 8:00 PM

Harrison County, Mississippi, United States

Last updated: 5:20 PM CDT  ·  Refresh
30°C
Feels like 35°
Rain
▲ 33°  /  ▼ 24°
Wind
6 mph SSW
Humidity
69%
Dew Point
25°
Pressure
29,90 inHg
Visibility
10 mi
UV Index
2,5
Cloud Cover
91%
Sunrise
6:26 AM
Sunset
7:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Harrison County is currently rain at 30°C. Precipitation is likely — peak probability 74% around 9 PM. Atmospheric instability is elevated (CAPE up to 3045 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 7:31PM.

Alerts

Severe Thunderstorm Watch
Expires 8:00 PM
Severe Thunderstorm Watch
Expires 8:00 PM
Extreme Heat Warning
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 8:00 PM
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 8:00 PM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
64%
6 PM
29°
65%
7 PM
27°
67%
8 PM
27°
73%
9 PM
26°
73%
10 PM
26°
52%
11 PM
25°
42%
12 AM
25°
39%
1 AM
25°
30%
2 AM
24°
34%
3 AM
24°
30%
4 AM
24°
26%
5 AM
24°
23%
6 AM
24°
19%
7 AM
25°
19%
8 AM
27°
19%
9 AM
29°
19%
10 AM
30°
10%
11 AM
31°
10%
12 PM
33°
5%
1 PM
34°
5%
2 PM
34°
5%
3 PM
34°
5%
4 PM
34°
5%
7-Day Forecast
Today
33° 24°
Rain, 73% chance.
Sat
36° 24°
Mostly Cloudy with a 34% chance of rain.
Sun
36° 26°
Mostly Clear.
Mon
34° 26°
Partly Cloudy with a 60% chance of rain.
Tue
33° 26°
Drizzle, 48% chance.
Wed
33° 26°
Rain, 72% chance.
Thu
32° 26°
Drizzle, 69% chance.
TimeTempConditionsPrecipWindHumidity
Now 30° Rain 64% 6 mph SSW 69%
6 PM 29° Drizzle 65% 6 mph W 74%
7 PM 27° Heavy Rain 67% 8 mph WNW 78%
8 PM 27° Heavy Rain 73% 6 mph W 81%
9 PM 26° Overcast 73% 4 mph W 83%
10 PM 26° Overcast 52% 4 mph W 84%
11 PM 25° Overcast 42% 3 mph W 86%
12 AM 25° Overcast 39% 4 mph WNW 87%
1 AM 25° Overcast 30% 4 mph NW 88%
2 AM 24° Overcast 34% 3 mph WNW 88%
3 AM 24° Overcast 30% 4 mph W 89%
4 AM 24° Overcast 26% 4 mph WSW 89%
5 AM 24° Overcast 23% 3 mph WSW 88%
6 AM 24° Overcast 19% 3 mph W 87%
7 AM 25° Overcast 19% 3 mph W 85%
8 AM 27° Overcast 19% 3 mph WNW 79%
9 AM 29° Mostly Cloudy 19% 3 mph WNW 73%
10 AM 30° Mostly Cloudy 10% 3 mph WNW 68%
11 AM 31° Mostly Cloudy 10% 3 mph W 63%
12 PM 33° Mostly Cloudy 5% 3 mph WSW 59%
1 PM 34° Mostly Cloudy 5% 3 mph SW 57%
2 PM 34° Mostly Cloudy 5% 4 mph SSW 57%
3 PM 34° Mostly Cloudy 5% 5 mph SSW 56%
4 PM 34° Partly Cloudy 5% 5 mph SSW 57%
15-Day Forecast
Today
8/21
Rain
73%
24°
33°
Sat
8/22
Mostly Cloudy
34%
24°
36°
Sun
8/23
Mostly Clear
13%
26°
36°
Mon
8/24
Partly Cloudy
60%
26°
34°
Tue
8/25
Drizzle
48%
26°
33°
Wed
8/26
Rain
72%
26°
33°
Thu
8/27
Drizzle
69%
26°
32°
Fri
8/28
Drizzle
73%
25°
33°
Sat
8/29
Rain
73%
25°
32°
Sun
8/30
Drizzle
52%
25°
34°
Mon
8/31
Drizzle
60%
25°
33°
Tue
9/1
Drizzle
60%
25°
33°
Wed
9/2
Drizzle
60%
24°
34°
Thu
9/3
Drizzle
60%
24°
34°
Fri
9/4
Drizzle
60%
24°
33°
46
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
46 AQI 8.3 µg/m³
O3
Ground-level ozone
38 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 46 Good 38 46
Sun 42 Good 37 42
Mon 52 Moderate 45 52
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 ven. août 21, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3370 J/kg
MLCAPE2022 J/kg
MUCAPE4868 J/kg
SBCIN-91 J/kg
MLCIN-116 J/kg
Lifted Index-7.5
Kinematics
0–6 km Shear23 kt
0–1 km Shear11 kt
Eff. Shear19 kt
0–1 km SRH50
0–3 km SRH106
Eff. SRH106
Storm Motion82° @ 12 kt
0–1 km EHI1.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.7
Thermo & Levels
PWAT1.91 in
0–3 km LR6.5 °C/km
700–500 LR5.9 °C/km
Total Totals45.9
LCL935 hPa
LFC834 hPa
EL145 hPa
Freezing Lvl15,420 ft