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 Extreme Heat Warning — 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 Extreme Heat Watch 8:00 PM

Slidell, Louisiana

Last updated: 4:38 PM CDT  ·  Refresh
36°C
Feels like 37°
Clear
▲ 36°  /  ▼ 26°
Wind
7 mph SSW
Humidity
36%
Dew Point
17°
Pressure
30.06 inHg
Visibility
10 mi
UV Index
7.1
Cloud Cover
0%
Sunrise
6:25 AM
Sunset
7:41 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Slidell is currently clear at 36°C. Precipitation is likely — peak probability 52% around 3 PM. Atmospheric instability is elevated (CAPE up to 2719 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 7:41PM.

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
Extreme Heat Warning
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
Extreme Heat Watch
Expires 8:00 PM
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
3%
5 PM
36°
3%
6 PM
34°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
30°
3%
10 PM
30°
3%
11 PM
29°
3%
12 AM
29°
3%
1 AM
28°
3%
2 AM
28°
3%
3 AM
28°
3%
4 AM
27°
5%
5 AM
26°
5%
6 AM
26°
5%
7 AM
27°
21%
8 AM
28°
22%
9 AM
28°
31%
10 AM
29°
32%
11 AM
31°
32%
12 PM
32°
33%
1 PM
33°
45%
2 PM
33°
46%
3 PM
36°
52%
7-Day Forecast
Today
36° 26°
Clear.
Sat
36° 26°
Mostly Clear with a 40% chance of rain.
Sun
38° 26°
Clear with a 36% chance of rain.
Mon
37° 27°
Clear with a 21% chance of rain.
Tue
38° 26°
Clear.
Wed
38° 25°
Clear with a 25% chance of rain.
Thu
38° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Clear 3% 7 mph SSW 36%
5 PM 36° Clear 3% 6 mph SW 36%
6 PM 34° Clear 3% 5 mph SSW 41%
7 PM 32° Clear 3% 5 mph SSW 49%
8 PM 31° Clear 3% 5 mph S 59%
9 PM 30° Clear 3% 5 mph SSW 67%
10 PM 30° Clear 3% 6 mph SSW 72%
11 PM 29° Clear 3% 6 mph SW 77%
12 AM 29° Clear 3% 6 mph SW 81%
1 AM 28° Clear 3% 6 mph WSW 84%
2 AM 28° Clear 3% 5 mph WSW 85%
3 AM 28° Clear 3% 4 mph W 86%
4 AM 27° Clear 5% 4 mph W 88%
5 AM 26° Mostly Clear 5% 4 mph WNW 90%
6 AM 26° Mostly Clear 5% 4 mph WNW 91%
7 AM 27° Mostly Clear 21% 4 mph WNW 86%
8 AM 28° Mostly Clear 22% 5 mph NW 78%
9 AM 28° Mostly Clear 31% 5 mph NW 70%
10 AM 29° Mostly Clear 32% 4 mph WNW 64%
11 AM 31° Mostly Clear 32% 4 mph WNW 60%
12 PM 32° Mostly Clear 33% 4 mph WNW 56%
1 PM 33° Mostly Clear 45% 4 mph W 54%
2 PM 33° Mostly Clear 46% 4 mph W 53%
3 PM 36° Mostly Clear 52% 5 mph WSW 52%
15-Day Forecast
Today
8/14
Clear
3%
26°
36°
Sat
8/15
Mostly Clear
40%
26°
36°
Sun
8/16
Clear
36%
26°
38°
Mon
8/17
Clear
21%
27°
37°
Tue
8/18
Clear
19%
26°
38°
Wed
8/19
Clear
25%
25°
38°
Thu
8/20
Clear
9%
24°
38°
Fri
8/21
Clear
60%
24°
38°
Sat
8/22
Drizzle
60%
24°
38°
Sun
8/23
Drizzle
60%
24°
37°
Mon
8/24
Drizzle
60%
25°
35°
Tue
8/25
Drizzle
60%
25°
36°
Wed
8/26
Drizzle
60%
25°
36°
Thu
8/27
Drizzle
60%
25°
36°
Fri
8/28
Drizzle
60%
25°
36°
58
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
58 AQI 13.1 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 58 Moderate 31 58
Sun 49 Good 35 49
Mon 50 Good 32 50
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 Fri Aug 14, 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
SBCAPE77 J/kg
MLCAPE37 J/kg
MUCAPE707 J/kg
SBCIN-370 J/kg
MLCIN-473 J/kg
Lifted Index-0.0
Kinematics
0–6 km Shear14 kt
0–1 km Shear4 kt
Eff. Shear—
0–1 km SRH17
0–3 km SRH43
Eff. SRH—
Storm Motion117° @ 14 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index1.0
Thermo & Levels
PWAT1.22 in
0–3 km LR7.2 °C/km
700–500 LR6.6 °C/km
Total Totals44.4
LCL776 hPa
LFC502 hPa
EL352 hPa
Freezing Lvl17,024 ft