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 Coastal Flood Warning — Lower St. Bernard, LA, Southeast St. Tammany, LA, Eastern Orleans, LA, Lower Plaquemines, LA, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 4:00 AM

Biloxi, Mississippi

Last updated: 10:55 AM CDT  ·  Refresh
30°C
Feels like 33°
Mostly Clear
▲ 36°  /  ▼ 26°
Wind
11 mph NNE
Humidity
67%
Dew Point
24°
Pressure
29.82 inHg
Visibility
10 mi
UV Index
9.1
Cloud Cover
10%
Sunrise
6:07 AM
Sunset
7:56 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Biloxi is currently mostly clear at 30°C. Precipitation is likely — peak probability 90% around 10 AM. Atmospheric instability is elevated (CAPE up to 1225 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 7:56PM.

33 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
8%
11 AM
32°
23%
12 PM
32°
19%
1 PM
34°
21%
2 PM
34°
25%
3 PM
34°
31%
4 PM
34°
29%
5 PM
33°
25%
6 PM
32°
12%
7 PM
31°
17%
8 PM
31°
18%
9 PM
28°
18%
10 PM
28°
18%
11 PM
27°
23%
12 AM
27°
22%
1 AM
26°
36%
2 AM
26°
40%
3 AM
26°
48%
4 AM
26°
58%
5 AM
26°
68%
6 AM
26°
64%
7 AM
27°
68%
8 AM
27°
77%
9 AM
28°
77%
7-Day Forecast
Today
36° 26°
Partly Cloudy with a 29% chance of rain.
Wed
32° 26°
Mostly Cloudy with a 90% chance of rain.
Thu
33° 27°
Partly Cloudy with a 65% chance of rain.
Fri
33° 26°
Mostly Clear with a 60% chance of rain.
Sat
34° 26°
Rain, 69% chance.
Sun
34° 26°
Drizzle, 51% chance.
Mon
36° 26°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 30° Mostly Clear 8% 11 mph NNE 67%
11 AM 32° Mostly Clear 23% 12 mph NNE 60%
12 PM 32° Mostly Clear 19% 13 mph NNE 57%
1 PM 34° Mostly Clear 21% 13 mph NNE 56%
2 PM 34° Partly Cloudy 25% 13 mph NNE 56%
3 PM 34° Partly Cloudy 31% 13 mph NNE 56%
4 PM 34° Partly Cloudy 29% 14 mph NNE 58%
5 PM 33° Mostly Cloudy 25% 14 mph NE 62%
6 PM 32° Partly Cloudy 12% 14 mph NE 67%
7 PM 31° Partly Cloudy 17% 14 mph NE 70%
8 PM 31° Partly Cloudy 18% 15 mph NNE 74%
9 PM 28° Partly Cloudy 18% 15 mph NNE 78%
10 PM 28° Mostly Cloudy 18% 16 mph NNE 79%
11 PM 27° Mostly Cloudy 23% 17 mph NNE 81%
12 AM 27° Mostly Cloudy 22% 17 mph NNE 82%
1 AM 26° Mostly Cloudy 36% 18 mph NNE 84%
2 AM 26° Partly Cloudy 40% 18 mph NNE 84%
3 AM 26° Partly Cloudy 48% 18 mph NNE 85%
4 AM 26° Partly Cloudy 58% 18 mph NNE 86%
5 AM 26° Partly Cloudy 68% 18 mph NNE 86%
6 AM 26° Partly Cloudy 64% 18 mph NNE 86%
7 AM 27° Partly Cloudy 68% 18 mph NE 85%
8 AM 27° Partly Cloudy 77% 19 mph NE 83%
9 AM 28° Partly Cloudy 77% 20 mph NE 81%
15-Day Forecast
Today
7/21
Partly Cloudy
29%
26°
36°
Wed
7/22
Mostly Cloudy
90%
26°
32°
Thu
7/23
Partly Cloudy
65%
27°
33°
Fri
7/24
Mostly Clear
60%
26°
33°
Sat
7/25
Rain
69%
26°
34°
Sun
7/26
Drizzle
51%
26°
34°
Mon
7/27
Clear
31%
26°
36°
Tue
7/28
Thunderstorm
43%
26°
36°
Wed
7/29
Thunderstorm
44%
27°
37°
Thu
7/30
Thunderstorm
51%
27°
36°
Fri
7/31
Thunderstorm
60%
26°
37°
Sat
8/1
Drizzle
60%
25°
36°
Sun
8/2
Drizzle
60%
25°
36°
Mon
8/3
Drizzle
60%
25°
35°
Tue
8/4
Drizzle
60%
24°
34°
33
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
33 AQI 5.9 µg/m³
O3
Ground-level ozone
23 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 33 Good 23 33
Thu 39 Good 31 39
Fri 53 Moderate 27 53
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
SBCAPE1335 J/kg
MLCAPE325 J/kg
MUCAPE1335 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-1.7
Kinematics
0–6 km Shear21 kt
0–1 km Shear12 kt
Eff. Shear25 kt
0–1 km SRH-37
0–3 km SRH-45
Eff. SRH-45
Storm Motion8° @ 33 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.0
Thermo & Levels
PWAT1.95 in
0–3 km LR6.2 °C/km
700–500 LR4.6 °C/km
Total Totals35.0
LCL924 hPa
LFC1010 hPa
EL166 hPa
Freezing Lvl17,572 ft