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: 4:31 PM CDT  ·  Refresh
33°C
Feels like 39°
Mostly Clear
▲ 33°  /  ▼ 24°
Wind
6 mph SW
Humidity
61%
Dew Point
24°
Pressure
30.02 inHg
Visibility
6 mi
UV Index
7.6
Cloud Cover
14%
Sunrise
5:59 AM
Sunset
8:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Slidell is currently mostly clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2702 J/kg) — isolated convective development possible. Sunrise: 5:59AM · Sunset: 8:05PM.

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
33°
26%
5 PM
33°
41%
6 PM
33°
40%
7 PM
32°
23%
8 PM
31°
23%
9 PM
30°
23%
10 PM
29°
23%
11 PM
29°
16%
12 AM
28°
16%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
25°
3%
6 AM
26°
3%
7 AM
27°
3%
8 AM
28°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
32°
3%
3 PM
32°
3%
7-Day Forecast
Today
33° 24°
Mostly Clear with a 26% chance of rain.
Sun
34° 24°
Mostly Clear.
Mon
34° 26°
Mostly Clear.
Tue
34° 25°
Partly Cloudy with a 71% 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 33° Mostly Clear 26% 6 mph SW 61%
5 PM 33° Mostly Clear 41% 6 mph SW 66%
6 PM 33° Mostly Clear 40% 4 mph SSW 70%
7 PM 32° Mostly Clear 23% 4 mph SSW 73%
8 PM 31° Mostly Clear 23% 4 mph SSW 75%
9 PM 30° Mostly Clear 23% 6 mph SSW 76%
10 PM 29° Mostly Clear 23% 6 mph SSW 78%
11 PM 29° Clear 16% 6 mph SSW 80%
12 AM 28° Clear 16% 6 mph SSW 83%
1 AM 27° Clear 3% 6 mph SSW 84%
2 AM 26° Mostly Clear 3% 5 mph SSW 86%
3 AM 26° Mostly Clear 3% 4 mph SSW 87%
4 AM 26° Mostly Clear 3% 4 mph SSW 87%
5 AM 25° Mostly Clear 3% 3 mph SSW 87%
6 AM 26° Partly Cloudy 3% 3 mph SW 86%
7 AM 27° Partly Cloudy 3% 3 mph SW 83%
8 AM 28° Mostly Clear 3% 4 mph SW 77%
9 AM 28° Mostly Clear 3% 4 mph SW 72%
10 AM 29° Mostly Clear 3% 5 mph SW 68%
11 AM 31° Mostly Clear 3% 4 mph SW 64%
12 PM 31° Mostly Clear 3% 4 mph SW 62%
1 PM 32° Mostly Clear 3% 4 mph SW 60%
2 PM 32° Mostly Clear 3% 4 mph SW 60%
3 PM 32° Mostly Clear 3% 4 mph SSW 60%
15-Day Forecast
Today
6/27
Mostly Clear
26%
24°
33°
Sun
6/28
Mostly Clear
3%
24°
34°
Mon
6/29
Mostly Clear
8%
26°
34°
Tue
6/30
Partly Cloudy
71%
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°
35°
Sun
7/5
Drizzle
60%
24°
35°
Mon
7/6
Drizzle
60%
24°
34°
Tue
7/7
Drizzle
60%
24°
33°
Wed
7/8
Drizzle
60%
24°
33°
Thu
7/9
Drizzle
60%
24°
33°
Fri
7/10
Drizzle
60%
24°
33°
Sat
7/11
Rain
90%
24°
33°
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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3340 J/kg
MLCAPE2254 J/kg
MUCAPE3340 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.4
Kinematics
0–6 km Shear5 kt
0–1 km Shear3 kt
Eff. Shear9 kt
0–1 km SRH6
0–3 km SRH27
Eff. SRH27
Storm Motion326° @ 13 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.1
Supercell0.4
K-Index21.8
Thermo & Levels
PWAT1.93 in
0–3 km LR6.9 °C/km
700–500 LR6.4 °C/km
Total Totals48.1
LCL894 hPa
LFC1017 hPa
EL144 hPa
Freezing Lvl15,486 ft