Dense Fog 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 11:00 AM

Walthall County, Mississippi, United States

Last updated: 1:06 AM CDT  ·  Refresh
19°C
Feels like 21°
Clear
▲ 33°  /  ▼ 16°
Wind
3 mph S
Humidity
84%
Dew Point
16°
Pressure
29.70 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
7:02 AM
Sunset
6:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Walthall County is currently clear at 19°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:02AM · Sunset: 6:28PM.

Alerts

Dense Fog 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 11:00 AM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
3%
1 AM
19°
3%
2 AM
18°
8%
3 AM
18°
10%
4 AM
17°
11%
5 AM
15°
42%
6 AM
14°
47%
7 AM
16°
47%
8 AM
18°
17%
9 AM
22°
17%
10 AM
25°
17%
11 AM
28°
17%
12 PM
29°
17%
1 PM
33°
17%
2 PM
33°
18%
3 PM
33°
18%
4 PM
32°
18%
5 PM
28°
3%
6 PM
26°
3%
7 PM
24°
3%
8 PM
23°
3%
9 PM
22°
3%
10 PM
22°
3%
11 PM
21°
3%
7-Day Forecast
Today
33° 16°
Partly Cloudy with a 47% chance of rain.
Fri
33° 15°
Partly Cloudy with a 90% chance of rain.
Sat
31° 7°
Clear.
Sun
22° 5°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 19° Clear 3% 3 mph S 84%
1 AM 19° Clear 3% 3 mph S 81%
2 AM 18° Mostly Clear 8% 3 mph SSW 84%
3 AM 18° Mostly Clear 10% 2 mph SSW 87%
4 AM 17° Partly Cloudy 11% 2 mph SW 89%
5 AM 15° Mostly Cloudy 42% 1 mph NW 90%
6 AM 14° Fog 47% 1 mph N 92%
7 AM 16° Fog 47% 1 mph NE 95%
8 AM 18° Fog 17% 1 mph NE 90%
9 AM 22° Fog 17% 1 mph E 81%
10 AM 25° Mostly Cloudy 17% 3 mph SSE 70%
11 AM 28° Partly Cloudy 17% 5 mph SSE 58%
12 PM 29° Clear 17% 6 mph SSE 46%
1 PM 33° Clear 17% 6 mph SSE 44%
2 PM 33° Clear 18% 6 mph SSE 42%
3 PM 33° Clear 18% 7 mph SSE 41%
4 PM 32° Clear 18% 6 mph SSE 43%
5 PM 28° Clear 3% 6 mph SSE 47%
6 PM 26° Clear 3% 5 mph SSE 53%
7 PM 24° Clear 3% 5 mph SSE 59%
8 PM 23° Clear 3% 5 mph SSE 63%
9 PM 22° Clear 3% 5 mph SSE 66%
10 PM 22° Mostly Clear 3% 4 mph S 70%
11 PM 21° Partly Cloudy 3% 4 mph S 74%
4-Day Forecast
Today
10/15
Partly Cloudy
47%
16°
33°
Fri
10/16
Partly Cloudy
90%
15°
33°
Sat
10/17
Clear
3%
7°
31°
Sun
10/18
Clear
3%
5°
22°
51
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
51 AQI 9.1 µg/m³
O3
Ground-level ozone
46 AQI 50 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 46 51
Fri 55 Moderate 44 55
Sat 42 Good 42 39
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.

Model sounding data is unavailable for this location.