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 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

Walthall County, Mississippi, United States

Last updated: 2:36 PM CDT  ·  Refresh
36°C
Feels like 41°
Partly Cloudy
▲ 38°  /  ▼ 22°
Wind
5 mph SW
Humidity
49%
Dew Point
23°
Pressure
29.69 inHg
Visibility
10 mi
UV Index
8.6
Cloud Cover
45%
Sunrise
6:25 AM
Sunset
7:45 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Walthall County is currently partly cloudy at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2505 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 7:45PM.

Alerts

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
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
27 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
23%
3 PM
38°
18%
4 PM
38°
18%
5 PM
36°
18%
6 PM
34°
34%
7 PM
33°
16%
8 PM
32°
16%
9 PM
29°
16%
10 PM
29°
16%
11 PM
28°
17%
12 AM
27°
8%
1 AM
26°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
30°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
34°
3%
7-Day Forecast
Today
38° 22°
Partly Cloudy with a 23% chance of rain.
Fri
39° 22°
Mostly Clear.
Sat
40° 23°
Mostly Clear with a 29% chance of rain.
Sun
41° 23°
Clear with a 70% chance of rain.
Mon
42° 22°
Drizzle, 60% chance.
Tue
43° 22°
Drizzle, 60% chance.
Wed
42° 22°
Thunderstorm, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 36° Partly Cloudy 23% 5 mph SW 49%
3 PM 38° Partly Cloudy 18% 6 mph SW 48%
4 PM 38° Partly Cloudy 18% 7 mph SW 49%
5 PM 36° Partly Cloudy 18% 6 mph SW 50%
6 PM 34° Mostly Clear 34% 7 mph SW 54%
7 PM 33° Mostly Clear 16% 7 mph SW 59%
8 PM 32° Partly Cloudy 16% 6 mph SSW 63%
9 PM 29° Partly Cloudy 16% 5 mph SSW 66%
10 PM 29° Mostly Clear 16% 6 mph SSW 70%
11 PM 28° Mostly Clear 17% 6 mph SW 75%
12 AM 27° Mostly Clear 8% 6 mph SW 80%
1 AM 26° Mostly Clear 3% 6 mph SW 84%
2 AM 25° Mostly Clear 3% 5 mph SW 87%
3 AM 24° Mostly Clear 3% 4 mph WSW 90%
4 AM 24° Mostly Clear 3% 4 mph WSW 91%
5 AM 23° Mostly Clear 3% 4 mph WSW 93%
6 AM 22° Mostly Clear 3% 3 mph WSW 94%
7 AM 23° Mostly Clear 3% 4 mph WSW 89%
8 AM 25° Mostly Clear 3% 5 mph WSW 79%
9 AM 30° Clear 3% 6 mph WSW 70%
10 AM 31° Clear 3% 6 mph WSW 64%
11 AM 32° Clear 3% 5 mph WSW 59%
12 PM 33° Clear 3% 5 mph WSW 54%
1 PM 34° Clear 3% 5 mph WSW 51%
15-Day Forecast
Today
8/13
Partly Cloudy
23%
22°
38°
Fri
8/14
Mostly Clear
3%
22°
39°
Sat
8/15
Mostly Clear
29%
23°
40°
Sun
8/16
Clear
70%
23°
41°
Mon
8/17
Drizzle
60%
22°
42°
Tue
8/18
Drizzle
60%
22°
43°
Wed
8/19
Thunderstorm
60%
22°
42°
Thu
8/20
Clear
60%
23°
42°
Fri
8/21
Clear
60%
22°
42°
Sat
8/22
Drizzle
60%
22°
41°
Sun
8/23
Drizzle
60%
21°
40°
Mon
8/24
Rain
90%
23°
40°
Tue
8/25
Drizzle
60%
23°
40°
Wed
8/26
Drizzle
60%
23°
40°
Thu
8/27
Drizzle
60%
22°
40°
27
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
27 AQI 5.0 µg/m³
O3
Ground-level ozone
25 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 27 Good 25 27
Sat 55 Moderate 23 55
Sun 49 Good 26 49
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 Thu Aug 13, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3415 J/kg
MLCAPE2905 J/kg
MUCAPE3415 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.4
Kinematics
0–6 km Shear7 kt
0–1 km Shear2 kt
Eff. Shear4 kt
0–1 km SRH-2
0–3 km SRH6
Eff. SRH6
Storm Motion288° @ 18 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.8
Thermo & Levels
PWAT1.92 in
0–3 km LR8.6 °C/km
700–500 LR5.1 °C/km
Total Totals46.6
LCL836 hPa
LFC1005 hPa
EL142 hPa
Freezing Lvl16,414 ft