Extreme Heat Warning — St. James, LA, St. John The Baptist, LA, Upper St. Bernard, 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 Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 8:00 PM Extreme Heat Warning — St. James, LA, St. John The Baptist, LA, Upper St. Bernard, 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 Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 8:00 PM

Northern Avenue, Harrison County, Mississippi, 39503, United States

Last updated: 6:35 PM CDT  ·  Refresh
31°C
Feels like 39°
Partly Cloudy
▲ 33°  /  ▼ 27°
Wind
7 mph SSW
Humidity
74%
Dew Point
24°
Pressure
29.98 inHg
Visibility
10 mi
UV Index
2.9
Cloud Cover
47%
Sunrise
6:24 AM
Sunset
7:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Northern Avenue is currently partly cloudy at 31°C. Precipitation is likely — peak probability 54% around 6 PM. Atmospheric instability is elevated (CAPE up to 3151 J/kg) — isolated convective development possible. Sunrise: 6:24AM · Sunset: 7:35PM.

Alerts

Extreme Heat Warning
St. James, LA, St. John The Baptist, LA, Upper St. Bernard, 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 Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 8:00 PM
Extreme Heat Warning
St. James, LA, St. John The Baptist, LA, Upper St. Bernard, 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 Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 8:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
42%
7 PM
30°
35%
8 PM
31°
35%
9 PM
30°
35%
10 PM
29°
28%
11 PM
29°
23%
12 AM
28°
21%
1 AM
28°
10%
2 AM
28°
13%
3 AM
27°
14%
4 AM
27°
16%
5 AM
27°
16%
6 AM
27°
19%
7 AM
27°
35%
8 AM
28°
35%
9 AM
30°
35%
10 AM
31°
46%
11 AM
32°
46%
12 PM
33°
48%
1 PM
35°
44%
2 PM
35°
51%
3 PM
36°
52%
4 PM
35°
52%
5 PM
34°
48%
7-Day Forecast
Tonight
33° 27°
Partly Cloudy with a 42% chance of rain.
Tue
37° 27°
Mostly Cloudy with a 53% chance of rain.
Wed
36° 27°
Mostly Cloudy with a 72% chance of rain.
Thu
35° 27°
Mostly Cloudy with a 72% chance of rain.
Fri
35° 26°
Thunderstorm, 77% chance.
Sat
34° 26°
Rain, 66% chance.
Sun
34° 26°
Mostly Clear with a 28% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 42% 7 mph SSW 74%
7 PM 30° Mostly Cloudy 35% 5 mph SSE 80%
8 PM 31° Mostly Cloudy 35% 4 mph S 80%
9 PM 30° Mostly Cloudy 35% 7 mph SSW 79%
10 PM 29° Mostly Cloudy 28% 7 mph SW 79%
11 PM 29° Mostly Cloudy 23% 7 mph SW 79%
12 AM 28° Mostly Cloudy 21% 8 mph WSW 80%
1 AM 28° Mostly Cloudy 10% 7 mph WSW 82%
2 AM 28° Mostly Cloudy 13% 7 mph W 83%
3 AM 27° Mostly Cloudy 14% 8 mph W 84%
4 AM 27° Mostly Cloudy 16% 8 mph W 84%
5 AM 27° Mostly Cloudy 16% 8 mph W 84%
6 AM 27° Mostly Cloudy 19% 8 mph WNW 84%
7 AM 27° Mostly Cloudy 35% 8 mph WNW 82%
8 AM 28° Mostly Cloudy 35% 8 mph WNW 77%
9 AM 30° Overcast 35% 8 mph WNW 72%
10 AM 31° Mostly Cloudy 46% 7 mph WNW 68%
11 AM 32° Mostly Cloudy 46% 6 mph W 65%
12 PM 33° Partly Cloudy 48% 6 mph W 62%
1 PM 35° Partly Cloudy 44% 6 mph WSW 60%
2 PM 35° Mostly Cloudy 51% 7 mph SW 59%
3 PM 36° Rain 52% 8 mph SW 57%
4 PM 35° Mostly Cloudy 52% 8 mph SW 59%
5 PM 34° Mostly Cloudy 48% 7 mph WSW 63%
15-Day Forecast
Today
8/17
Partly Cloudy
42%
27°
33°
Tue
8/18
Mostly Cloudy
53%
27°
37°
Wed
8/19
Mostly Cloudy
72%
27°
36°
Thu
8/20
Mostly Cloudy
72%
27°
35°
Fri
8/21
Thunderstorm
77%
26°
35°
Sat
8/22
Rain
66%
26°
34°
Sun
8/23
Mostly Clear
28%
26°
34°
Mon
8/24
Thunderstorm
63%
26°
34°
Tue
8/25
Thunderstorm
54%
26°
34°
Wed
8/26
Rain
66%
26°
33°
Thu
8/27
Rain
72%
24°
32°
Fri
8/28
Drizzle
60%
25°
34°
Sat
8/29
Drizzle
60%
24°
34°
Sun
8/30
Drizzle
60%
24°
33°
Mon
8/31
Drizzle
60%
24°
33°
55
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
55 AQI 11.2 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 55 Moderate 33 55
Wed 53 Moderate 35 53
Thu 52 Moderate 32 52
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 Mon Aug 17, 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
SBCAPE2820 J/kg
MLCAPE2491 J/kg
MUCAPE2939 J/kg
SBCIN-88 J/kg
MLCIN-47 J/kg
Lifted Index-6.3
Kinematics
0–6 km Shear4 kt
0–1 km Shear6 kt
Eff. Shear10 kt
0–1 km SRH24
0–3 km SRH59
Eff. SRH59
Storm Motion65° @ 12 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.1
Thermo & Levels
PWAT2.42 in
0–3 km LR6.6 °C/km
700–500 LR5.7 °C/km
Total Totals50.2
LCL921 hPa
LFC841 hPa
EL133 hPa
Freezing Lvl16,375 ft