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, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern 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, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS 8:00 PM

Walthall County, Mississippi, United States

Last updated: 7:45 PM CDT  ·  Refresh
32°C
Feels like 36°
Clear
▲ 36°  /  ▼ 23°
Wind
5 mph WSW
Humidity
58%
Dew Point
22°
Pressure
29.62 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
6%
Sunrise
6:13 AM
Sunset
7:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Walthall County is currently clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2021 J/kg) — isolated convective development possible. Sunrise: 6:13AM · Sunset: 7:59PM.

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, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern 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, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS
Expires 8:00 PM
34 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
11%
8 PM
31°
29%
9 PM
29°
21%
10 PM
28°
14%
11 PM
27°
14%
12 AM
26°
7%
1 AM
26°
3%
2 AM
26°
4%
3 AM
25°
4%
4 AM
25°
5%
5 AM
23°
5%
6 AM
23°
8%
7 AM
25°
8%
8 AM
27°
5%
9 AM
31°
5%
10 AM
32°
11%
11 AM
33°
15%
12 PM
34°
15%
1 PM
36°
20%
2 PM
37°
30%
3 PM
37°
30%
4 PM
36°
28%
5 PM
33°
28%
6 PM
32°
28%
7-Day Forecast
Tonight
36° 23°
Clear.
Mon
37° 23°
Partly Cloudy with a 31% chance of rain.
Tue
38° 24°
Mostly Clear.
Wed
37° 24°
Partly Cloudy with a 73% chance of rain.
Thu
37° 23°
Clear with a 58% chance of rain.
Fri
36° 23°
Rain, 70% chance.
Sat
36° 23°
Heavy Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Clear 11% 5 mph WSW 58%
8 PM 31° Partly Cloudy 29% 5 mph WSW 62%
9 PM 29° Partly Cloudy 21% 5 mph W 65%
10 PM 28° Partly Cloudy 14% 5 mph W 67%
11 PM 27° Mostly Clear 14% 4 mph WSW 70%
12 AM 26° Clear 7% 5 mph WSW 73%
1 AM 26° Clear 3% 5 mph WSW 76%
2 AM 26° Clear 4% 6 mph WSW 81%
3 AM 25° Clear 4% 5 mph W 85%
4 AM 25° Clear 5% 5 mph W 87%
5 AM 23° Mostly Clear 5% 4 mph W 88%
6 AM 23° Mostly Clear 8% 4 mph W 89%
7 AM 25° Mostly Clear 8% 6 mph W 83%
8 AM 27° Partly Cloudy 5% 7 mph WNW 76%
9 AM 31° Partly Cloudy 5% 7 mph WNW 69%
10 AM 32° Partly Cloudy 11% 7 mph WNW 63%
11 AM 33° Partly Cloudy 15% 6 mph WNW 58%
12 PM 34° Partly Cloudy 15% 6 mph WNW 54%
1 PM 36° Partly Cloudy 20% 5 mph WNW 52%
2 PM 37° Partly Cloudy 30% 6 mph W 53%
3 PM 37° Partly Cloudy 30% 6 mph W 53%
4 PM 36° Partly Cloudy 28% 6 mph W 56%
5 PM 33° Partly Cloudy 28% 6 mph W 59%
6 PM 32° Mostly Clear 28% 6 mph W 62%
15-Day Forecast
Today
7/26
Clear
14%
23°
36°
Mon
7/27
Partly Cloudy
31%
23°
37°
Tue
7/28
Mostly Clear
6%
24°
38°
Wed
7/29
Partly Cloudy
73%
24°
37°
Thu
7/30
Clear
58%
23°
37°
Fri
7/31
Rain
70%
23°
36°
Sat
8/1
Heavy Rain
90%
23°
36°
Sun
8/2
Rain
82%
22°
32°
Mon
8/3
Rain
68%
22°
35°
Tue
8/4
Drizzle
51%
23°
36°
Wed
8/5
Drizzle
60%
23°
36°
Thu
8/6
Drizzle
60%
23°
37°
Fri
8/7
Drizzle
60%
23°
37°
Sat
8/8
Drizzle
60%
23°
37°
Sun
8/9
Drizzle
60%
23°
36°
34
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
34 AQI 6.2 µg/m³
O3
Ground-level ozone
21 AQI 23 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 34 Good 21 34
Tue 33 Good 27 33
Wed 43 Good 27 43
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 Sun Jul 26, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1058 J/kg
MLCAPE551 J/kg
MUCAPE1058 J/kg
SBCIN-106 J/kg
MLCIN0 J/kg
Lifted Index-1.3
Kinematics
0–6 km Shear15 kt
0–1 km Shear6 kt
Eff. Shear20 kt
0–1 km SRH21
0–3 km SRH-18
Eff. SRH-18
Storm Motion303° @ 20 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index19.5
Thermo & Levels
PWAT1.54 in
0–3 km LR6.6 °C/km
700–500 LR5.2 °C/km
Total Totals40.2
LCL866 hPa
LFC804 hPa
EL171 hPa
Freezing Lvl17,635 ft