Wind 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 3:00 PM Fire Weather Watch 8:00 PM Gale Warning — Lake Maurepas, GM, Lake Pontchartrain, GM, Mississippi Sound, GM, Lake Salvador and Lake Cataouatche, GM, Lake Borgne, GM, Breton Sound, GM, Chandeleur Sound, GM, Terrebonne Bay, GM, Barataria Bay, GM, Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm, GM, Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM, GM, Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm, GM, Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM, GM, Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM, GM, Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM, GM, Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm, GM, Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM, GM 12:00 AM

Mississippi Sound, GM

Last updated: 4:29 AM CDT  ·  Refresh
21°C
Feels like 22°
Clear
▲ 31°  /  ▼ 11°
Wind
2 mph N
Humidity
87%
Dew Point
18°
Pressure
30.02 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
6%
Sunrise
7:07 AM
Sunset
6:32 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Mississippi Sound is currently clear at 20°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:07AM · Sunset: 6:32PM.

Alerts

Wind 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 3:00 PM
Fire Weather Watch
Expires 8:00 PM
Gale Warning
Lake Maurepas, GM, Lake Pontchartrain, GM, Mississippi Sound, GM, Lake Salvador and Lake Cataouatche, GM, Lake Borgne, GM, Breton Sound, GM, Chandeleur Sound, GM, Terrebonne Bay, GM, Barataria Bay, GM, Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm, GM, Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM, GM, Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm, GM, Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM, GM, Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM, GM, Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM, GM, Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm, GM, Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM, GM
Expires 12:00 AM
64 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
3%
5 AM
18°
3%
6 AM
18°
3%
7 AM
18°
3%
8 AM
19°
3%
9 AM
23°
3%
10 AM
26°
3%
11 AM
27°
6%
12 PM
28°
6%
1 PM
31°
6%
2 PM
31°
6%
3 PM
30°
15%
4 PM
28°
15%
5 PM
27°
15%
6 PM
25°
3%
7 PM
23°
3%
8 PM
22°
3%
9 PM
19°
3%
10 PM
19°
3%
11 PM
18°
3%
12 AM
17°
3%
1 AM
16°
3%
2 AM
16°
3%
3 AM
15°
3%
7-Day Forecast
Today
31° 11°
Partly Cloudy.
Sat
24° 11°
Clear.
Sun
27° 8°
Mostly Clear.
Mon
27° 10°
Partly Cloudy.
Tue
30° 9°
Clear.
Wed
31° 11°
Clear.
Thu
32° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 21° Clear 3% 2 mph N 87%
5 AM 18° Clear 3% 3 mph N 85%
6 AM 18° Mostly Clear 3% 3 mph N 86%
7 AM 18° Mostly Clear 3% 3 mph N 86%
8 AM 19° Partly Cloudy 3% 3 mph NNW 79%
9 AM 23° Partly Cloudy 3% 4 mph NNW 69%
10 AM 26° Mostly Clear 3% 5 mph NNW 61%
11 AM 27° Mostly Clear 6% 7 mph NNW 55%
12 PM 28° Partly Cloudy 6% 9 mph NNW 52%
1 PM 31° Partly Cloudy 6% 10 mph NNW 50%
2 PM 31° Mostly Cloudy 6% 13 mph NNW 52%
3 PM 30° Partly Cloudy 15% 15 mph NNW 54%
4 PM 28° Partly Cloudy 15% 16 mph NNW 55%
5 PM 27° Partly Cloudy 15% 17 mph NNW 54%
6 PM 25° Partly Cloudy 3% 17 mph N 54%
7 PM 23° Mostly Clear 3% 17 mph N 51%
8 PM 22° Partly Cloudy 3% 16 mph N 46%
9 PM 19° Partly Cloudy 3% 16 mph N 42%
10 PM 19° Partly Cloudy 3% 15 mph N 39%
11 PM 18° Partly Cloudy 3% 15 mph N 39%
12 AM 17° Partly Cloudy 3% 15 mph N 40%
1 AM 16° Partly Cloudy 3% 15 mph N 40%
2 AM 16° Partly Cloudy 3% 14 mph N 43%
3 AM 15° Partly Cloudy 3% 14 mph N 46%
15-Day Forecast
Today
10/16
Partly Cloudy
15%
11°
31°
Sat
10/17
Clear
3%
11°
24°
Sun
10/18
Mostly Clear
3%
8°
27°
Mon
10/19
Partly Cloudy
3%
10°
27°
Tue
10/20
Clear
3%
9°
30°
Wed
10/21
Clear
3%
11°
31°
Thu
10/22
Clear
3%
12°
32°
Fri
10/23
Clear
3%
13°
33°
Sat
10/24
Clear
19%
14°
32°
Sun
10/25
Clear
21%
14°
32°
Mon
10/26
Drizzle
60%
15°
31°
Tue
10/27
Drizzle
60%
15°
30°
Wed
10/28
Drizzle
60%
15°
30°
Thu
10/29
Drizzle
60%
14°
29°
Fri
10/30
Drizzle
60%
14°
29°
64
Moderate
U.S. Air Quality Index · Dominant: O3
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
61 AQI 14.3 µg/m³
O3
Ground-level ozone
Dominant
64 AQI 59 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 64 Moderate 64 61
Sat 51 Moderate 34 51
Sun 42 Good 34 42
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Oct 16, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE15 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index3.6
Kinematics
0–6 km Shear19 kt
0–1 km Shear3 kt
Eff. Shear—
0–1 km SRH-16
0–3 km SRH4
Eff. SRH—
Storm Motion262° @ 20 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index20.9
Thermo & Levels
PWAT1.39 in
0–3 km LR4.0 °C/km
700–500 LR5.6 °C/km
Total Totals40.0
LCL987 hPa
LFC—
EL—
Freezing Lvl15,036 ft