Heat Advisory — St. James, LA, St. John The Baptist, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Southwestern St. Tammany, LA, Lower Tangipahoa, LA, Southern Livingston, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA 7:00 PM

Slidell, Louisiana

Last updated: 5:38 PM CDT  ·  Refresh
32°C
Feels like 38°
Mostly Clear
▲ 33°  /  ▼ 26°
Wind
7 mph SW
Humidity
66%
Dew Point
24°
Pressure
30.02 inHg
Visibility
10 mi
UV Index
5.9
Cloud Cover
13%
Sunrise
5:59 AM
Sunset
8:04 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 2580 J/kg) — isolated convective development possible. Sunrise: 5:59AM · Sunset: 8:04PM.

Alerts

Heat Advisory
St. James, LA, St. John The Baptist, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Southwestern St. Tammany, LA, Lower Tangipahoa, LA, Southern Livingston, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA
Expires 7:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
23%
6 PM
32°
39%
7 PM
32°
23%
8 PM
31°
23%
9 PM
30°
23%
10 PM
29°
16%
11 PM
29°
16%
12 AM
28°
16%
1 AM
27°
3%
2 AM
27°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
26°
3%
6 AM
26°
3%
7 AM
27°
3%
8 AM
28°
3%
9 AM
29°
3%
10 AM
29°
3%
11 AM
30°
3%
12 PM
32°
3%
1 PM
32°
3%
2 PM
32°
3%
3 PM
32°
3%
4 PM
32°
3%
7-Day Forecast
Today
33° 26°
Mostly Clear with a 23% chance of rain.
Sun
34° 26°
Mostly Clear.
Mon
33° 26°
Mostly Clear.
Tue
34° 25°
Partly Cloudy with a 70% chance of rain.
Wed
34° 24°
Drizzle, 60% chance.
Thu
34° 24°
Drizzle, 60% chance.
Fri
34° 24°
Mostly Cloudy with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 23% 7 mph SW 66%
6 PM 32° Mostly Clear 39% 4 mph SW 70%
7 PM 32° Mostly Clear 23% 4 mph SSW 72%
8 PM 31° Mostly Clear 23% 5 mph SSW 74%
9 PM 30° Mostly Clear 23% 7 mph SSW 76%
10 PM 29° Clear 16% 8 mph SSW 77%
11 PM 29° Clear 16% 7 mph SSW 79%
12 AM 28° Clear 16% 7 mph SSW 81%
1 AM 27° Clear 3% 6 mph SSW 82%
2 AM 27° Mostly Clear 3% 6 mph SSW 83%
3 AM 26° Mostly Clear 3% 5 mph SW 84%
4 AM 26° Mostly Clear 3% 4 mph SW 85%
5 AM 26° Mostly Clear 3% 4 mph SW 85%
6 AM 26° Mostly Clear 3% 4 mph SW 85%
7 AM 27° Mostly Clear 3% 4 mph SW 82%
8 AM 28° Mostly Clear 3% 5 mph SW 77%
9 AM 29° Mostly Clear 3% 5 mph SW 72%
10 AM 29° Mostly Clear 3% 5 mph SW 68%
11 AM 30° Mostly Clear 3% 5 mph SW 65%
12 PM 32° Mostly Clear 3% 5 mph SW 62%
1 PM 32° Mostly Clear 3% 5 mph SW 60%
2 PM 32° Mostly Clear 3% 5 mph SW 60%
3 PM 32° Mostly Clear 3% 5 mph SSW 60%
4 PM 32° Mostly Clear 3% 5 mph SSW 61%
15-Day Forecast
Today
6/27
Mostly Clear
23%
26°
33°
Sun
6/28
Mostly Clear
3%
26°
34°
Mon
6/29
Mostly Clear
8%
26°
33°
Tue
6/30
Partly Cloudy
70%
25°
34°
Wed
7/1
Drizzle
60%
24°
34°
Thu
7/2
Drizzle
60%
24°
34°
Fri
7/3
Mostly Cloudy
35%
24°
34°
Sat
7/4
Drizzle
60%
24°
34°
Sun
7/5
Drizzle
60%
24°
34°
Mon
7/6
Drizzle
60%
24°
34°
Tue
7/7
Drizzle
60%
25°
33°
Wed
7/8
Drizzle
60%
24°
33°
Thu
7/9
Rain
90%
24°
33°
Fri
7/10
Drizzle
60%
24°
33°
Sat
7/11
Rain
90%
24°
32°
53
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
53 AQI 10.2 µg/m³
O3
Ground-level ozone
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 53 Moderate 34 53
Mon 58 Moderate 36 58
Tue 52 Moderate 30 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 Sat Jun 27, 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
SBCAPE2950 J/kg
MLCAPE2585 J/kg
MUCAPE3079 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.5
Kinematics
0–6 km Shear7 kt
0–1 km Shear5 kt
Eff. Shear12 kt
0–1 km SRH22
0–3 km SRH13
Eff. SRH13
Storm Motion318° @ 15 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.1
STP (eff)0.1
Supercell0.2
K-Index25.0
Thermo & Levels
PWAT1.99 in
0–3 km LR6.6 °C/km
700–500 LR6.2 °C/km
Total Totals48.1
LCL907 hPa
LFC1017 hPa
EL148 hPa
Freezing Lvl15,633 ft