Severe Thunderstorm Warning — Pike County, MS, Walthall County, MS 6:00 PM Severe Thunderstorm Watch 8:00 PM Severe Thunderstorm Watch 8:00 PM Extreme Heat Warning — 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: 5:20 PM CDT  ·  Refresh
28°C
Feels like 32°
Overcast
▲ 36°  /  ▼ 22°
Wind
8 mph SW
Humidity
78%
Dew Point
22°
Pressure
29.64 inHg
Visibility
9 mi
UV Index
1.7
Cloud Cover
98%
Sunrise
6:30 AM
Sunset
7:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Walthall County is currently overcast at 28°C. Precipitation is likely — peak probability 86% around 6 PM. Atmospheric instability is elevated (CAPE up to 2561 J/kg) — isolated convective development possible. Sunrise: 6:30AM · Sunset: 7:36PM.

Alerts

Severe Thunderstorm Warning
Pike County, MS, Walthall County, MS
Expires 6:00 PM
Severe Thunderstorm Watch
Expires 8:00 PM
Severe Thunderstorm Watch
Expires 8:00 PM
Extreme Heat Warning
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
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
78%
6 PM
28°
86%
7 PM
27°
63%
8 PM
26°
68%
9 PM
24°
50%
10 PM
24°
28%
11 PM
24°
28%
12 AM
24°
22%
1 AM
24°
4%
2 AM
24°
4%
3 AM
23°
4%
4 AM
23°
4%
5 AM
22°
5%
6 AM
22°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
34°
3%
1 PM
36°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
5%
7-Day Forecast
Today
36° 22°
Overcast with a 78% chance of rain.
Sat
39° 22°
Partly Cloudy.
Sun
39° 24°
Partly Cloudy with a 33% chance of rain.
Mon
36° 23°
Partly Cloudy with a 53% chance of rain.
Tue
35° 23°
Partly Cloudy with a 44% chance of rain.
Wed
36° 23°
Rain, 83% chance.
Thu
35° 23°
Drizzle, 56% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Overcast 78% 8 mph SW 78%
6 PM 28° Heavy Rain 86% 6 mph SSW 82%
7 PM 27° Heavy Rain 63% 5 mph SSW 86%
8 PM 26° Heavy Rain 68% 6 mph SSW 90%
9 PM 24° Overcast 50% 5 mph SSW 92%
10 PM 24° Overcast 28% 4 mph SW 94%
11 PM 24° Overcast 28% 4 mph SW 95%
12 AM 24° Overcast 22% 4 mph WSW 95%
1 AM 24° Overcast 4% 4 mph SW 95%
2 AM 24° Overcast 4% 4 mph WSW 96%
3 AM 23° Overcast 4% 4 mph WSW 96%
4 AM 23° Overcast 4% 3 mph SW 95%
5 AM 22° Mostly Cloudy 5% 2 mph WSW 95%
6 AM 22° Mostly Cloudy 3% 2 mph WSW 94%
7 AM 23° Overcast 3% 2 mph W 91%
8 AM 25° Mostly Cloudy 3% 3 mph WNW 83%
9 AM 28° Mostly Cloudy 3% 3 mph NW 74%
10 AM 29° Mostly Cloudy 3% 3 mph NW 66%
11 AM 31° Mostly Cloudy 3% 3 mph NNW 59%
12 PM 34° Mostly Cloudy 3% 3 mph N 53%
1 PM 36° Mostly Cloudy 3% 3 mph NNE 49%
2 PM 36° Partly Cloudy 3% 3 mph NNE 47%
3 PM 36° Partly Cloudy 3% 3 mph NE 45%
4 PM 36° Partly Cloudy 5% 3 mph ENE 45%
15-Day Forecast
Today
8/21
Overcast
78%
22°
36°
Sat
8/22
Partly Cloudy
5%
22°
39°
Sun
8/23
Partly Cloudy
33%
24°
39°
Mon
8/24
Partly Cloudy
53%
23°
36°
Tue
8/25
Partly Cloudy
44%
23°
35°
Wed
8/26
Rain
83%
23°
36°
Thu
8/27
Drizzle
56%
23°
35°
Fri
8/28
Drizzle
57%
23°
37°
Sat
8/29
Drizzle
54%
23°
36°
Sun
8/30
Drizzle
47%
23°
38°
Mon
8/31
Clear
36%
23°
37°
Tue
9/1
Drizzle
60%
23°
38°
Wed
9/2
Drizzle
60%
23°
38°
Thu
9/3
Drizzle
60%
23°
37°
Fri
9/4
Drizzle
60%
22°
37°
42
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
42 AQI 7.5 µg/m³
O3
Ground-level ozone
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 42 Good 34 42
Sun 41 Good 37 41
Mon 53 Moderate 36 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 Fri Aug 21, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1553 J/kg
MLCAPE1960 J/kg
MUCAPE2826 J/kg
SBCIN-175 J/kg
MLCIN-121 J/kg
Lifted Index-3.9
Kinematics
0–6 km Shear26 kt
0–1 km Shear15 kt
Eff. Shear26 kt
0–1 km SRH124
0–3 km SRH197
Eff. SRH197
Storm Motion58° @ 14 kt
0–1 km EHI1.2
Composite Parameters
Sig. Tornado0.6
STP (eff)0.6
Supercell7.6
K-Index24.5
Thermo & Levels
PWAT1.80 in
0–3 km LR6.1 °C/km
700–500 LR5.4 °C/km
Total Totals43.1
LCL929 hPa
LFC758 hPa
EL165 hPa
Freezing Lvl15,039 ft