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: 6:08 PM CDT  ·  Refresh
32°C
Feels like 37°
Mostly Clear
▲ 33°  /  ▼ 27°
Wind
8 mph SSW
Humidity
57%
Dew Point
24°
Pressure
29.92 inHg
Visibility
10 mi
UV Index
4.4
Cloud Cover
16%
Sunrise
6:24 AM
Sunset
7:43 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Slidell is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3155 J/kg) — isolated convective development possible. Sunrise: 6:24AM · Sunset: 7:43PM.

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
33 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
7%
7 PM
32°
4%
8 PM
31°
4%
9 PM
31°
4%
10 PM
30°
6%
11 PM
29°
6%
12 AM
29°
6%
1 AM
28°
6%
2 AM
28°
6%
3 AM
28°
9%
4 AM
28°
9%
5 AM
27°
9%
6 AM
27°
9%
7 AM
27°
9%
8 AM
28°
10%
9 AM
29°
12%
10 AM
29°
14%
11 AM
30°
18%
12 PM
31°
17%
1 PM
33°
17%
2 PM
33°
17%
3 PM
33°
17%
4 PM
33°
17%
5 PM
33°
18%
7-Day Forecast
Tonight
33° 27°
Mostly Clear.
Thu
35° 27°
Partly Cloudy.
Fri
36° 26°
Mostly Clear.
Sat
36° 26°
Clear with a 22% chance of rain.
Sun
37° 26°
Mostly Clear with a 29% chance of rain.
Mon
37° 26°
Partly Cloudy with a 24% chance of rain.
Tue
37° 26°
Overcast with a 24% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 7% 8 mph SSW 57%
7 PM 32° Mostly Cloudy 4% 8 mph SSW 60%
8 PM 31° Partly Cloudy 4% 6 mph SSW 63%
9 PM 31° Mostly Clear 4% 6 mph SW 67%
10 PM 30° Mostly Clear 6% 6 mph SW 70%
11 PM 29° Mostly Clear 6% 6 mph SW 74%
12 AM 29° Mostly Clear 6% 6 mph SW 78%
1 AM 28° Mostly Clear 6% 7 mph SW 81%
2 AM 28° Mostly Clear 6% 7 mph SW 82%
3 AM 28° Clear 9% 6 mph SW 82%
4 AM 28° Clear 9% 6 mph WSW 83%
5 AM 27° Mostly Clear 9% 6 mph WSW 84%
6 AM 27° Mostly Clear 9% 6 mph WSW 85%
7 AM 27° Mostly Clear 9% 6 mph WSW 84%
8 AM 28° Mostly Clear 10% 7 mph WSW 79%
9 AM 29° Mostly Clear 12% 8 mph WSW 73%
10 AM 29° Mostly Clear 14% 8 mph WSW 69%
11 AM 30° Partly Cloudy 18% 8 mph WSW 64%
12 PM 31° Partly Cloudy 17% 8 mph WSW 58%
1 PM 33° Partly Cloudy 17% 8 mph WSW 55%
2 PM 33° Partly Cloudy 17% 7 mph WSW 54%
3 PM 33° Partly Cloudy 17% 7 mph WSW 52%
4 PM 33° Mostly Clear 17% 7 mph SW 51%
5 PM 33° Mostly Clear 18% 6 mph SW 53%
15-Day Forecast
Today
8/12
Mostly Clear
7%
27°
33°
Thu
8/13
Partly Cloudy
18%
27°
35°
Fri
8/14
Mostly Clear
5%
26°
36°
Sat
8/15
Clear
22%
26°
36°
Sun
8/16
Mostly Clear
29%
26°
37°
Mon
8/17
Partly Cloudy
24%
26°
37°
Tue
8/18
Overcast
24%
26°
37°
Wed
8/19
Partly Cloudy
24%
26°
38°
Thu
8/20
Drizzle
60%
26°
38°
Fri
8/21
Drizzle
50%
26°
37°
Sat
8/22
Drizzle
46%
26°
36°
Sun
8/23
Drizzle
60%
26°
34°
Mon
8/24
Drizzle
60%
26°
34°
Tue
8/25
Drizzle
60%
25°
34°
Wed
8/26
Drizzle
60%
25°
33°
33
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
32 AQI 5.8 µg/m³
O3
Ground-level ozone
Dominant
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 33 Good 33 32
Fri 41 Good 32 41
Sat 58 Moderate 31 58
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 Wed Aug 12, 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
SBCAPE3176 J/kg
MLCAPE2935 J/kg
MUCAPE3273 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.1
Kinematics
0–6 km Shear4 kt
0–1 km Shear5 kt
Eff. Shear5 kt
0–1 km SRH27
0–3 km SRH20
Eff. SRH20
Storm Motion352° @ 12 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.2
Thermo & Levels
PWAT1.92 in
0–3 km LR6.9 °C/km
700–500 LR5.7 °C/km
Total Totals46.3
LCL899 hPa
LFC1013 hPa
EL144 hPa
Freezing Lvl16,857 ft