Extreme Heat Warning — St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, 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, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 8:00 PM

Biloxi, Mississippi

Last updated: 4:20 PM CDT  ·  Refresh
31°C
Feels like 36°
Mostly Cloudy
▲ 34°  /  ▼ 27°
Wind
11 mph WSW
Humidity
66%
Dew Point
25°
Pressure
29.85 inHg
Visibility
10 mi
UV Index
5.5
Cloud Cover
71%
Sunrise
6:12 AM
Sunset
7:51 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Biloxi is currently mostly cloudy at 31°C. Precipitation is likely — peak probability 62% around 5 PM. Atmospheric instability is elevated (CAPE up to 2740 J/kg) — isolated convective development possible. Sunrise: 6:12AM · Sunset: 7:51PM.

Alerts

Extreme Heat Warning
St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, 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, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 8:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
40%
5 PM
31°
61%
6 PM
31°
52%
7 PM
31°
28%
8 PM
31°
28%
9 PM
30°
28%
10 PM
30°
28%
11 PM
29°
29%
12 AM
29°
29%
1 AM
29°
14%
2 AM
28°
14%
3 AM
28°
14%
4 AM
28°
15%
5 AM
27°
15%
6 AM
27°
15%
7 AM
27°
25%
8 AM
28°
26%
9 AM
29°
26%
10 AM
30°
27%
11 AM
31°
41%
12 PM
31°
51%
1 PM
32°
56%
2 PM
32°
60%
3 PM
32°
60%
7-Day Forecast
Today
34° 27°
Mostly Cloudy with a 40% chance of rain.
Thu
35° 27°
Partly Cloudy with a 56% chance of rain.
Fri
34° 28°
Mostly Clear with a 66% chance of rain.
Sat
33° 27°
Partly Cloudy with a 71% chance of rain.
Sun
33° 26°
Drizzle, 72% chance.
Mon
33° 25°
Rain, 81% chance.
Tue
33° 26°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Cloudy 40% 11 mph WSW 66%
5 PM 31° Rain 61% 10 mph WNW 65%
6 PM 31° Partly Cloudy 52% 8 mph SW 69%
7 PM 31° Partly Cloudy 28% 9 mph SW 72%
8 PM 31° Mostly Cloudy 28% 10 mph SW 74%
9 PM 30° Mostly Cloudy 28% 10 mph WSW 75%
10 PM 30° Overcast 28% 8 mph W 76%
11 PM 29° Mostly Cloudy 29% 8 mph W 77%
12 AM 29° Mostly Cloudy 29% 7 mph W 78%
1 AM 29° Mostly Cloudy 14% 7 mph W 78%
2 AM 28° Partly Cloudy 14% 7 mph W 78%
3 AM 28° Mostly Clear 14% 6 mph W 77%
4 AM 28° Mostly Clear 15% 7 mph W 76%
5 AM 27° Mostly Clear 15% 7 mph WNW 76%
6 AM 27° Mostly Clear 15% 8 mph WNW 77%
7 AM 27° Mostly Clear 25% 8 mph WNW 76%
8 AM 28° Partly Cloudy 26% 8 mph WNW 74%
9 AM 29° Mostly Cloudy 26% 8 mph WNW 72%
10 AM 30° Mostly Cloudy 27% 7 mph WNW 70%
11 AM 31° Mostly Cloudy 41% 7 mph W 70%
12 PM 31° Partly Cloudy 51% 8 mph WSW 70%
1 PM 32° Partly Cloudy 56% 9 mph WSW 71%
2 PM 32° Partly Cloudy 60% 9 mph WSW 70%
3 PM 32° Partly Cloudy 60% 10 mph SW 69%
15-Day Forecast
Today
7/29
Mostly Cloudy
40%
27°
34°
Thu
7/30
Partly Cloudy
56%
27°
35°
Fri
7/31
Mostly Clear
66%
28°
34°
Sat
8/1
Partly Cloudy
71%
27°
33°
Sun
8/2
Drizzle
72%
26°
33°
Mon
8/3
Rain
81%
25°
33°
Tue
8/4
Drizzle
60%
26°
33°
Wed
8/5
Drizzle
60%
26°
33°
Thu
8/6
Drizzle
60%
26°
34°
Fri
8/7
Drizzle
60%
26°
33°
Sat
8/8
Drizzle
60%
26°
34°
Sun
8/9
Drizzle
60%
25°
35°
Mon
8/10
Drizzle
60%
25°
36°
Tue
8/11
Drizzle
60%
25°
35°
Wed
8/12
Drizzle
90%
25°
35°
55
Moderate
U.S. Air Quality Index · Dominant: PM2.5
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
Dominant
55 AQI 11.4 µg/m³
O3
Ground-level ozone
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 55 Moderate 41 55
Fri 56 Moderate 32 56
Sat 51 Moderate 34 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 Wed Jul 29, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3290 J/kg
MLCAPE1484 J/kg
MUCAPE3290 J/kg
SBCIN-88 J/kg
MLCIN0 J/kg
Lifted Index-7.2
Kinematics
0–6 km Shear15 kt
0–1 km Shear2 kt
Eff. Shear17 kt
0–1 km SRH-3
0–3 km SRH-30
Eff. SRH-30
Storm Motion299° @ 19 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.6
Thermo & Levels
PWAT2.26 in
0–3 km LR6.6 °C/km
700–500 LR5.6 °C/km
Total Totals46.0
LCL932 hPa
LFC863 hPa
EL132 hPa
Freezing Lvl16,335 ft