Severe Thunderstorm Warning — Harrison County, MS 3:30 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

Biloxi, Mississippi

Last updated: 2:58 PM CDT  ·  Refresh
31°C
Feels like 38°
Mostly Clear
▲ 33°  /  ▼ 26°
Wind
11 mph S
Humidity
69%
Dew Point
26°
Pressure
29.97 inHg
Visibility
10 mi
UV Index
8.7
Cloud Cover
16%
Sunrise
6:26 AM
Sunset
7:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Biloxi is currently mostly clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3649 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 7:31PM.

Alerts

Severe Thunderstorm Warning
Harrison County, MS
Expires 3:30 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
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
22%
3 PM
32°
38%
4 PM
31°
33%
5 PM
30°
34%
6 PM
29°
33%
7 PM
29°
38%
8 PM
28°
42%
9 PM
28°
30%
10 PM
27°
20%
11 PM
27°
20%
12 AM
27°
11%
1 AM
27°
16%
2 AM
27°
16%
3 AM
26°
24%
4 AM
26°
36%
5 AM
26°
41%
6 AM
26°
41%
7 AM
27°
41%
8 AM
29°
40%
9 AM
29°
31%
10 AM
30°
30%
11 AM
31°
30%
12 PM
32°
23%
1 PM
32°
23%
7-Day Forecast
Today
33° 26°
Partly Cloudy with a 42% chance of rain.
Sat
35° 26°
Partly Cloudy with a 41% chance of rain.
Sun
34° 27°
Partly Cloudy.
Mon
32° 27°
Mostly Cloudy with a 63% chance of rain.
Tue
32° 27°
Drizzle, 51% chance.
Wed
32° 27°
Rain, 70% chance.
Thu
32° 27°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 22% 11 mph S 69%
3 PM 32° Partly Cloudy 38% 12 mph S 68%
4 PM 31° Partly Cloudy 33% 9 mph SSW 71%
5 PM 30° Overcast 34% 11 mph SW 74%
6 PM 29° Overcast 33% 12 mph WNW 77%
7 PM 29° Overcast 38% 8 mph W 77%
8 PM 28° Drizzle 42% 7 mph W 78%
9 PM 28° Mostly Cloudy 30% 7 mph WSW 79%
10 PM 27° Mostly Cloudy 20% 7 mph WSW 80%
11 PM 27° Mostly Cloudy 20% 6 mph W 81%
12 AM 27° Mostly Cloudy 11% 5 mph WNW 82%
1 AM 27° Mostly Cloudy 16% 5 mph WNW 83%
2 AM 27° Mostly Cloudy 16% 5 mph WNW 83%
3 AM 26° Mostly Cloudy 24% 5 mph W 83%
4 AM 26° Mostly Cloudy 36% 5 mph W 84%
5 AM 26° Partly Cloudy 41% 5 mph WNW 84%
6 AM 26° Partly Cloudy 41% 4 mph NW 84%
7 AM 27° Partly Cloudy 41% 4 mph NW 79%
8 AM 29° Partly Cloudy 40% 4 mph NW 74%
9 AM 29° Mostly Cloudy 31% 4 mph NW 69%
10 AM 30° Partly Cloudy 30% 3 mph WNW 68%
11 AM 31° Partly Cloudy 30% 3 mph SW 67%
12 PM 32° Partly Cloudy 23% 5 mph SSW 66%
1 PM 32° Partly Cloudy 23% 6 mph SSW 67%
15-Day Forecast
Today
8/21
Partly Cloudy
42%
26°
33°
Sat
8/22
Partly Cloudy
41%
26°
35°
Sun
8/23
Partly Cloudy
10%
27°
34°
Mon
8/24
Mostly Cloudy
63%
27°
32°
Tue
8/25
Drizzle
51%
27°
32°
Wed
8/26
Rain
70%
27°
32°
Thu
8/27
Rain
71%
27°
32°
Fri
8/28
Drizzle
53%
26°
32°
Sat
8/29
Rain
68%
26°
32°
Sun
8/30
Drizzle
51%
26°
33°
Mon
8/31
Drizzle
60%
25°
33°
Tue
9/1
Drizzle
60%
25°
34°
Wed
9/2
Drizzle
60%
24°
34°
Thu
9/3
Drizzle
60%
24°
34°
Fri
9/4
Drizzle
60%
24°
34°
48
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
48 AQI 8.7 µg/m³
O3
Ground-level ozone
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 48 Good 44 48
Sun 43 Good 40 43
Mon 51 Moderate 47 51
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, 17:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4787 J/kg
MLCAPE3213 J/kg
MUCAPE4787 J/kg
SBCIN-42 J/kg
MLCIN-38 J/kg
Lifted Index-9.6
Kinematics
0–6 km Shear25 kt
0–1 km Shear11 kt
Eff. Shear23 kt
0–1 km SRH35
0–3 km SRH83
Eff. SRH83
Storm Motion45° @ 18 kt
0–1 km EHI1.0
Composite Parameters
Sig. Tornado0.5
STP (eff)0.0
Supercell4.7
K-Index34.2
Thermo & Levels
PWAT2.09 in
0–3 km LR6.8 °C/km
700–500 LR6.1 °C/km
Total Totals49.1
LCL939 hPa
LFC884 hPa
EL131 hPa
Freezing Lvl15,236 ft