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

Slidell, Louisiana

Last updated: 2:38 PM CDT  ·  Refresh
34°C
Feels like 41°
Mostly Clear
▲ 35°  /  ▼ 25°
Wind
7 mph SW
Humidity
54%
Dew Point
24°
Pressure
30.00 inHg
Visibility
10 mi
UV Index
9.1
Cloud Cover
20%
Sunrise
6:25 AM
Sunset
7:42 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Slidell is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2648 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 7:42PM.

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
38 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
20%
3 PM
34°
24%
4 PM
34°
9%
5 PM
35°
5%
6 PM
34°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
31°
3%
10 PM
29°
3%
11 PM
29°
3%
12 AM
28°
3%
1 AM
28°
3%
2 AM
27°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
26°
3%
6 AM
25°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
29°
3%
10 AM
30°
3%
11 AM
31°
3%
12 PM
31°
3%
1 PM
32°
3%
7-Day Forecast
Today
35° 25°
Mostly Clear with a 20% chance of rain.
Fri
36° 25°
Partly Cloudy.
Sat
37° 26°
Mostly Clear with a 49% chance of rain.
Sun
36° 26°
Clear with a 52% chance of rain.
Mon
37° 26°
Drizzle, 60% chance.
Tue
38° 26°
Clear with a 27% chance of rain.
Wed
38° 26°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 20% 7 mph SW 54%
3 PM 34° Clear 24% 7 mph SW 52%
4 PM 34° Mostly Clear 9% 6 mph SSW 53%
5 PM 35° Mostly Clear 5% 6 mph SSW 56%
6 PM 34° Mostly Clear 3% 7 mph S 60%
7 PM 32° Mostly Clear 3% 7 mph S 65%
8 PM 31° Mostly Clear 3% 7 mph SSW 69%
9 PM 31° Clear 3% 7 mph SSW 72%
10 PM 29° Clear 3% 7 mph SW 75%
11 PM 29° Mostly Clear 3% 7 mph SW 77%
12 AM 28° Mostly Clear 3% 6 mph SW 78%
1 AM 28° Mostly Clear 3% 5 mph WSW 80%
2 AM 27° Mostly Clear 3% 4 mph WSW 82%
3 AM 27° Partly Cloudy 3% 3 mph WSW 83%
4 AM 27° Partly Cloudy 3% 3 mph WSW 84%
5 AM 26° Partly Cloudy 3% 4 mph WSW 86%
6 AM 25° Partly Cloudy 3% 4 mph W 87%
7 AM 26° Partly Cloudy 3% 4 mph W 82%
8 AM 27° Mostly Clear 3% 4 mph W 73%
9 AM 29° Mostly Clear 3% 5 mph W 66%
10 AM 30° Mostly Clear 3% 5 mph W 62%
11 AM 31° Mostly Clear 3% 5 mph WSW 59%
12 PM 31° Mostly Clear 3% 5 mph WSW 56%
1 PM 32° Mostly Clear 3% 6 mph WSW 53%
15-Day Forecast
Today
8/13
Mostly Clear
20%
25°
35°
Fri
8/14
Partly Cloudy
3%
25°
36°
Sat
8/15
Mostly Clear
49%
26°
37°
Sun
8/16
Clear
52%
26°
36°
Mon
8/17
Drizzle
60%
26°
37°
Tue
8/18
Clear
27%
26°
38°
Wed
8/19
Clear
19%
26°
38°
Thu
8/20
Clear
60%
25°
37°
Fri
8/21
Clear
25%
25°
37°
Sat
8/22
Drizzle
60%
24°
36°
Sun
8/23
Thunderstorm
60%
24°
34°
Mon
8/24
Drizzle
60%
25°
34°
Tue
8/25
Drizzle
60%
24°
34°
Wed
8/26
Drizzle
60%
25°
34°
Thu
8/27
Drizzle
60%
24°
34°
38
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
38 AQI 6.9 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 38 Good 31 38
Sat 57 Moderate 30 57
Sun 52 Moderate 34 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 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
SBCAPE3444 J/kg
MLCAPE2930 J/kg
MUCAPE3444 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.3
Kinematics
0–6 km Shear4 kt
0–1 km Shear2 kt
Eff. Shear6 kt
0–1 km SRH-8
0–3 km SRH-17
Eff. SRH-17
Storm Motion246° @ 21 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.1
Thermo & Levels
PWAT2.09 in
0–3 km LR8.1 °C/km
700–500 LR5.0 °C/km
Total Totals47.2
LCL869 hPa
LFC1016 hPa
EL141 hPa
Freezing Lvl16,667 ft