Active National Weather Service alert for Biloxi, Mississippi 39531: Heat Advisory. Heat Advisory issued August 23 at 11:51AM CDT until August 23 at 8:00PM CDT by NWS New Orleans LA Until Sun, 8:00 PM CDT.
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Biloxi, Mississippi 39531 weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Biloxi, Mississippi 39531. Always follow local warnings and emergency instructions.

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Weather status

Heat Advisory

Heat Advisory issued August 23 at 11:51AM CDT until August 23 at 8:00PM CDT by NWS New Orleans LA Expires Sun, 8:00 PM CDT.

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Hourly forecast

Biloxi, Mississippi 39531

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Biloxi, Mississippi 39531. Forecasts and alerts update from NOAA and the National Weather Service.

89°Chance Showers And Thunderstorms25% rain
87°Slight Chance Showers And Thunderstorms16% rain
85°Partly Cloudy9% rain
84°Partly Cloudy4% rain
84°Partly Cloudy2% rain
83°Partly Cloudy2% rain
83°Partly Cloudy0% rain
82°Mostly Clear0% rain

Next 24 hours

Rain Timeline

Highest chance 47%

Most likely around 4 PM, 5 PM. Expected type: Thunderstorms.

25%Thunderstorms
16%Thunderstorms
9%None
4%None
2%None
2%None
0%None
0%None
1%None
1%None
2%None
3%None
2%None
3%None
5%None
4%None
5%None
5%None
6%None
20%Thunderstorms
23%Thunderstorms
31%Thunderstorms
45%Thunderstorms
47%Thunderstorms

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

! NWS
89°80°

Chance Showers And Thunderstorms then Partly Cloudy

Precipitation
25%
Wind
SW 5 mph
Sunrise
6:28 AM
Sunset
7:31 PM

Mon

92°78°

Sunny then Chance Showers And Thunderstorms

Precipitation
48%
Wind
SW 5 to 10 mph
Sunrise
6:29 AM
Sunset
7:30 PM

Tue

89°78°

Showers And Thunderstorms

Precipitation
77%
Wind
W 5 mph
Sunrise
6:29 AM
Sunset
7:28 PM

Wed

90°78°

Sunny then Showers And Thunderstorms Likely

Precipitation
58%
Wind
SW 5 to 10 mph
Sunrise
6:30 AM
Sunset
7:27 PM

Thu

91°76°

Chance Showers And Thunderstorms then Showers And Thunderstorms Likely

Precipitation
64%
Wind
SW 0 to 10 mph
Sunrise
6:31 AM
Sunset
7:26 PM

Fri

91°76°

Chance Showers And Thunderstorms

Precipitation
54%
Wind
W 0 to 5 mph
Sunrise
6:31 AM
Sunset
7:25 PM

Sat

91°77°

Chance Showers And Thunderstorms

Precipitation
30%
Wind
NE 0 to 10 mph
Sunrise
6:32 AM
Sunset
7:24 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel115°F
Walking is not recommended now

Current official weather conditions may be unsafe for this activity.

WindS11 mph
Best walk timeBetter weather window: 12 AM–2 AM

Walking: 0% average rain chance, near 83°F, with winds near 5 mph. Review the active Heat Advisory.

Official EPA AirNowLocal air qualityBiloxi, Mississippi 39531
View AQI +
More weather details
Wind gustsNot reported
Rain now25%next hour
Humidity60%current
UV indexCheckingEPA forecast

Wind impact: Noticeable breeze with generally minor outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.91 in
Visibility10.0 mi
Peak rain chance47%
Dew point79°F
Active alerts1

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Weather safety ↗

Moderate · Expected

Heat Advisory

Applies to: Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge; East Baton Rouge; Assumption; St. James; St. John The Baptist; Upper St. Bernard; Lower St. Bernard; Northern Tangipahoa; Southeast St. Tammany; Western Orleans; Eastern Orleans; Northern St. Tammany; Southwestern St. Tammany; Central Tangipahoa; Lower Tangipahoa; Northern Livingston; Southern Livingston; Western Ascension; Eastern Ascension; Upper Jefferson; Upper Plaquemines; Central Plaquemines; Lower Plaquemines; Central Jefferson; Coastal Jefferson; Upper Lafourche; Lower Lafourche; Upper Terrebonne; Lower Terrebonne; Upper St. Charles; Central St. Charles; Lower St. Charles; Wilkinson; Amite; Pike; Walthall; Pearl River; Northern Hancock; Northern Harrison; Northern Jackson; Southern Hancock; Southern Harrison; Southern JacksonIssued by: NWS New Orleans LAHeat Advisory issued August 23 at 11:51AM CDT until August 23 at 8:00PM CDT by NWS New Orleans LA
Alert details* WHAT...Heat index values up to 112 degrees expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Safety instructionsDrink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
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