Dense Fog 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, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 10:00 AM

Slidell, Louisiana

Last updated: 10:49 PM CDT  ·  Refresh
23°C
Feels like 25°
Clear
▲ 29°  /  ▼ 18°
Wind
4 mph SSE
Humidity
85%
Dew Point
20°
Pressure
30.04 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
6%
Sunrise
6:59 AM
Sunset
6:30 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Slidell is currently clear at 23°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:59AM · Sunset: 6:30PM.

Alerts

Dense Fog 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, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 10:00 AM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
6%
11 PM
22°
3%
12 AM
22°
4%
1 AM
22°
4%
2 AM
21°
11%
3 AM
21°
13%
4 AM
20°
15%
5 AM
19°
15%
6 AM
18°
15%
7 AM
19°
15%
8 AM
21°
6%
9 AM
22°
7%
10 AM
24°
7%
11 AM
26°
7%
12 PM
27°
7%
1 PM
30°
7%
2 PM
30°
7%
3 PM
30°
7%
4 PM
29°
7%
5 PM
28°
3%
6 PM
27°
3%
7 PM
26°
3%
8 PM
25°
3%
9 PM
23°
3%
7-Day Forecast
Tonight
29° 18°
Clear.
Wed
30° 18°
Fog.
Thu
29° 21°
Partly Cloudy.
Fri
31° 16°
Partly Cloudy.
Sat
24° 12°
Clear.
Sun
25° 13°
Clear with a 21% chance of rain.
Mon
27° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Clear 6% 4 mph SSE 85%
11 PM 22° Clear 3% 5 mph S 85%
12 AM 22° Clear 4% 5 mph S 87%
1 AM 22° Mostly Clear 4% 4 mph SSW 89%
2 AM 21° Mostly Clear 11% 2 mph SW 90%
3 AM 21° Partly Cloudy 13% 2 mph WSW 91%
4 AM 20° Haze 15% 1 mph NNW 92%
5 AM 19° Fog 15% 2 mph N 94%
6 AM 18° Fog 15% 2 mph N 95%
7 AM 19° Fog 15% 3 mph N 90%
8 AM 21° Fog 6% 3 mph NNE 85%
9 AM 22° Mostly Cloudy 7% 3 mph NNE 78%
10 AM 24° Partly Cloudy 7% 2 mph NE 70%
11 AM 26° Mostly Clear 7% 2 mph E 62%
12 PM 27° Clear 7% 3 mph SE 56%
1 PM 30° Clear 7% 4 mph SE 52%
2 PM 30° Clear 7% 5 mph SE 50%
3 PM 30° Clear 7% 6 mph SE 48%
4 PM 29° Clear 7% 6 mph SE 53%
5 PM 28° Clear 3% 5 mph SE 61%
6 PM 27° Clear 3% 5 mph SE 67%
7 PM 26° Clear 3% 5 mph SE 71%
8 PM 25° Clear 3% 5 mph SE 75%
9 PM 23° Clear 3% 4 mph SE 79%
15-Day Forecast
Today
10/13
Clear
6%
18°
29°
Wed
10/14
Fog
15%
18°
30°
Thu
10/15
Partly Cloudy
18%
21°
29°
Fri
10/16
Partly Cloudy
7%
16°
31°
Sat
10/17
Clear
3%
12°
24°
Sun
10/18
Clear
21%
13°
25°
Mon
10/19
Clear
17%
19°
27°
Tue
10/20
Clear
41%
19°
28°
Wed
10/21
Drizzle
43%
18°
28°
Thu
10/22
Drizzle
44%
18°
29°
Fri
10/23
Drizzle
51%
18°
30°
Sat
10/24
Drizzle
60%
19°
28°
Sun
10/25
Clear
25%
18°
27°
Mon
10/26
Drizzle
60%
17°
27°
Tue
10/27
Clear
25%
17°
26°
52
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
52 AQI 9.5 µg/m³
O3
Ground-level ozone
44 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 44 52
Thu 56 Moderate 46 56
Fri 51 Moderate 44 51
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 Tue Oct 13, 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
SBCAPE0 J/kg
MLCAPE17 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index2.4
Kinematics
0–6 km Shear18 kt
0–1 km Shear4 kt
Eff. Shear—
0–1 km SRH17
0–3 km SRH36
Eff. SRH—
Storm Motion91° @ 17 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-18.8
Thermo & Levels
PWAT0.83 in
0–3 km LR3.4 °C/km
700–500 LR6.4 °C/km
Total Totals14.3
LCL980 hPa
LFC1017 hPa
EL1017 hPa
Freezing Lvl17,090 ft