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: 6:30 PM CDT  ·  Refresh
28°C
Feels like 32°
Rain
▲ 32°  /  ▼ 24°
Wind
7 mph W
Humidity
78%
Dew Point
24°
Pressure
29.91 inHg
Visibility
10 mi
UV Index
1.9
Cloud Cover
81%
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 28°C. Precipitation is likely — peak probability 72% around 8 PM. Atmospheric instability is elevated (CAPE up to 3113 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
28°
63%
7 PM
27°
67%
8 PM
27°
72%
9 PM
26°
65%
10 PM
26°
50%
11 PM
25°
41%
12 AM
24°
39%
1 AM
24°
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
28°
19%
10 AM
30°
10%
11 AM
31°
10%
12 PM
32°
5%
1 PM
34°
5%
2 PM
34°
5%
3 PM
34°
5%
4 PM
33°
5%
5 PM
33°
6%
7-Day Forecast
Tonight
32° 24°
Drizzle, 65% chance.
Sat
36° 24°
Partly Cloudy with a 39% chance of rain.
Sun
36° 26°
Mostly Clear with a 32% chance of rain.
Mon
32° 26°
Partly Cloudy with a 60% chance of rain.
Tue
33° 26°
Drizzle, 48% chance.
Wed
33° 26°
Rain, 80% chance.
Thu
32° 26°
Rain, 80% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Drizzle 63% 7 mph WSW 77%
7 PM 27° Rain 67% 9 mph NW 80%
8 PM 27° Heavy Rain 72% 6 mph WNW 82%
9 PM 26° Overcast 65% 4 mph W 83%
10 PM 26° Rain 50% 5 mph W 84%
11 PM 25° Rain 41% 4 mph W 86%
12 AM 24° Overcast 39% 4 mph W 88%
1 AM 24° Overcast 30% 4 mph WNW 89%
2 AM 24° Overcast 34% 3 mph W 89%
3 AM 24° Overcast 30% 3 mph W 89%
4 AM 24° Overcast 26% 3 mph WSW 89%
5 AM 24° Overcast 23% 3 mph WSW 88%
6 AM 24° Overcast 19% 2 mph W 88%
7 AM 25° Overcast 19% 2 mph W 85%
8 AM 27° Mostly Cloudy 19% 3 mph W 80%
9 AM 28° Partly Cloudy 19% 4 mph WNW 74%
10 AM 30° Partly Cloudy 10% 4 mph WNW 69%
11 AM 31° Partly Cloudy 10% 3 mph W 65%
12 PM 32° Partly Cloudy 5% 3 mph WSW 60%
1 PM 34° Partly Cloudy 5% 3 mph SW 58%
2 PM 34° Partly Cloudy 5% 3 mph SW 57%
3 PM 34° Partly Cloudy 5% 4 mph SSW 57%
4 PM 33° Partly Cloudy 5% 5 mph SSW 58%
5 PM 33° Partly Cloudy 6% 5 mph S 62%
15-Day Forecast
Today
8/21
Drizzle
65%
24°
32°
Sat
8/22
Partly Cloudy
39%
24°
36°
Sun
8/23
Mostly Clear
32%
26°
36°
Mon
8/24
Partly Cloudy
60%
26°
32°
Tue
8/25
Drizzle
48%
26°
33°
Wed
8/26
Rain
80%
26°
33°
Thu
8/27
Rain
80%
26°
32°
Fri
8/28
Rain
66%
25°
33°
Sat
8/29
Thunderstorm
73%
25°
33°
Sun
8/30
Drizzle
47%
25°
33°
Mon
8/31
Drizzle
52%
25°
34°
Tue
9/1
Drizzle
60%
25°
33°
Wed
9/2
Drizzle
60%
24°
33°
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 Fri Aug 21, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1896 J/kg
MLCAPE2680 J/kg
MUCAPE4375 J/kg
SBCIN-136 J/kg
MLCIN-64 J/kg
Lifted Index-5.7
Kinematics
0–6 km Shear13 kt
0–1 km Shear13 kt
Eff. Shear7 kt
0–1 km SRH-21
0–3 km SRH55
Eff. SRH55
Storm Motion99° @ 9 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index44.1
Thermo & Levels
PWAT2.61 in
0–3 km LR5.7 °C/km
700–500 LR6.1 °C/km
Total Totals53.8
LCL946 hPa
LFC785 hPa
EL159 hPa
Freezing Lvl15,571 ft