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, 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, Southern Hancock, MS 7:00 PM

Slidell, Louisiana

Last updated: 9:49 AM CDT  ·  Refresh
29°C
Feels like 33°
Mostly Clear
▲ 35°  /  ▼ 26°
Wind
5 mph NW
Humidity
73%
Dew Point
25°
Pressure
29.90 inHg
Visibility
6 mi
UV Index
7.2
Cloud Cover
18%
Sunrise
6:39 AM
Sunset
7:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Slidell is currently mostly clear at 29°C. Precipitation is likely — peak probability 66% around 11 AM. Atmospheric instability is elevated (CAPE up to 3376 J/kg) — isolated convective development possible. Sunrise: 6:39AM · Sunset: 7:14PM.

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, 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, Southern Hancock, MS
Expires 7:00 PM
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
17%
10 AM
30°
62%
11 AM
32°
66%
12 PM
33°
63%
1 PM
33°
62%
2 PM
32°
61%
3 PM
31°
60%
4 PM
31°
54%
5 PM
32°
54%
6 PM
31°
49%
7 PM
30°
21%
8 PM
29°
28%
9 PM
28°
32%
10 PM
28°
27%
11 PM
28°
15%
12 AM
27°
11%
1 AM
27°
15%
2 AM
27°
15%
3 AM
27°
7%
4 AM
27°
9%
5 AM
26°
9%
6 AM
26°
9%
7 AM
26°
29%
8 AM
27°
30%
7-Day Forecast
Today
35° 26°
Partly Cloudy with a 63% chance of rain.
Tue
34° 26°
Partly Cloudy with a 64% chance of rain.
Wed
32° 24°
Partly Cloudy with a 85% chance of rain.
Thu
31° 24°
Haze with a 90% chance of rain.
Fri
33° 24°
Drizzle, 51% chance.
Sat
33° 24°
Rain, 82% chance.
Sun
33° 24°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Clear 17% 5 mph NW 73%
10 AM 30° Clear 62% 5 mph NW 67%
11 AM 32° Mostly Clear 66% 3 mph NW 62%
12 PM 33° Mostly Clear 63% 2 mph W 59%
1 PM 33° Partly Cloudy 62% 3 mph S 62%
2 PM 32° Partly Cloudy 61% 3 mph S 67%
3 PM 31° Mostly Cloudy 60% 4 mph S 70%
4 PM 31° Partly Cloudy 54% 4 mph S 72%
5 PM 32° Partly Cloudy 54% 4 mph SSW 72%
6 PM 31° Partly Cloudy 49% 3 mph S 75%
7 PM 30° Mostly Clear 21% 4 mph S 77%
8 PM 29° Mostly Clear 28% 3 mph SSE 79%
9 PM 28° Clear 32% 3 mph SSE 81%
10 PM 28° Mostly Clear 27% 3 mph SE 82%
11 PM 28° Mostly Clear 15% 4 mph ESE 83%
12 AM 27° Partly Cloudy 11% 4 mph ESE 85%
1 AM 27° Partly Cloudy 15% 4 mph ESE 86%
2 AM 27° Partly Cloudy 15% 3 mph ESE 87%
3 AM 27° Partly Cloudy 7% 3 mph E 88%
4 AM 27° Partly Cloudy 9% 4 mph E 89%
5 AM 26° Partly Cloudy 9% 4 mph E 90%
6 AM 26° Partly Cloudy 9% 4 mph E 91%
7 AM 26° Partly Cloudy 29% 4 mph E 86%
8 AM 27° Partly Cloudy 30% 5 mph E 80%
15-Day Forecast
Today
9/7
Partly Cloudy
63%
26°
35°
Tue
9/8
Partly Cloudy
64%
26°
34°
Wed
9/9
Partly Cloudy
85%
24°
32°
Thu
9/10
Haze
90%
24°
31°
Fri
9/11
Drizzle
51%
24°
33°
Sat
9/12
Rain
82%
24°
33°
Sun
9/13
Rain
63%
24°
33°
Mon
9/14
Rain
69%
24°
33°
Tue
9/15
Rain
68%
24°
34°
Wed
9/16
Drizzle
36%
23°
33°
Thu
9/17
Drizzle
60%
23°
32°
Fri
9/18
Drizzle
60%
23°
32°
Sat
9/19
Drizzle
60%
23°
31°
Sun
9/20
Drizzle
60%
22°
31°
Mon
9/21
Drizzle
60%
22°
31°
48
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
48 AQI 8.7 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 48 Good 35 48
Wed 34 Good 34 34
Thu 29 Good 29 18
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 Sep 7, 13:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3001 J/kg
MLCAPE1919 J/kg
MUCAPE3001 J/kg
SBCIN-60 J/kg
MLCIN-65 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear13 kt
0–1 km Shear7 kt
Eff. Shear22 kt
0–1 km SRH36
0–3 km SRH32
Eff. SRH32
Storm Motion94° @ 12 kt
0–1 km EHI0.7
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.1
K-Index36.5
Thermo & Levels
PWAT2.16 in
0–3 km LR6.0 °C/km
700–500 LR6.0 °C/km
Total Totals49.6
LCL954 hPa
LFC866 hPa
EL140 hPa
Freezing Lvl16,053 ft