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 Excessive Heat Watch 8:00 PM

Slidell, Louisiana

Last updated: 3:43 PM CDT  ·  Refresh
36°C
Feels like 37°
Clear
▲ 36°  /  ▼ 26°
Wind
8 mph SSW
Humidity
35%
Dew Point
18°
Pressure
30.08 inHg
Visibility
10 mi
UV Index
8.2
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 2801 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
Excessive Heat Watch
Expires 8:00 PM
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
3%
4 PM
34°
3%
5 PM
36°
3%
6 PM
34°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
31°
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°
22%
8 AM
28°
22%
9 AM
29°
32%
10 AM
31°
32%
11 AM
31°
33%
12 PM
32°
34%
1 PM
33°
46%
2 PM
33°
46%
7-Day Forecast
Today
36° 26°
Clear.
Sat
36° 26°
Mostly Clear with a 52% chance of rain.
Sun
38° 26°
Clear with a 40% chance of rain.
Mon
38° 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% 8 mph SSW 35%
4 PM 34° Clear 3% 6 mph SSW 32%
5 PM 36° Clear 3% 6 mph SSW 36%
6 PM 34° Clear 3% 5 mph SSW 42%
7 PM 32° Clear 3% 5 mph SSW 52%
8 PM 31° Clear 3% 6 mph S 61%
9 PM 31° Clear 3% 6 mph SSW 68%
10 PM 30° Clear 3% 6 mph SSW 73%
11 PM 29° Clear 3% 6 mph SW 77%
12 AM 29° Clear 3% 6 mph WSW 82%
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 87%
4 AM 27° Clear 5% 4 mph W 88%
5 AM 26° Mostly Clear 5% 4 mph WNW 88%
6 AM 26° Mostly Clear 5% 4 mph WNW 89%
7 AM 27° Mostly Clear 22% 4 mph WNW 85%
8 AM 28° Mostly Clear 22% 5 mph NW 77%
9 AM 29° Mostly Clear 32% 5 mph NW 69%
10 AM 31° Mostly Clear 32% 5 mph NW 64%
11 AM 31° Mostly Clear 33% 4 mph WNW 61%
12 PM 32° Mostly Clear 34% 5 mph WNW 57%
1 PM 33° Mostly Clear 46% 5 mph W 56%
2 PM 33° Mostly Clear 46% 5 mph W 54%
15-Day Forecast
Today
8/14
Clear
3%
26°
36°
Sat
8/15
Mostly Clear
52%
26°
36°
Sun
8/16
Clear
40%
26°
38°
Mon
8/17
Clear
21%
27°
38°
Tue
8/18
Clear
9%
26°
38°
Wed
8/19
Clear
25%
25°
38°
Thu
8/20
Clear
19%
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, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE279 J/kg
MLCAPE23 J/kg
MUCAPE279 J/kg
SBCIN-145 J/kg
MLCIN-312 J/kg
Lifted Index-1.6
Kinematics
0–6 km Shear6 kt
0–1 km Shear4 kt
Eff. Shear3 kt
0–1 km SRH12
0–3 km SRH14
Eff. SRH14
Storm Motion149° @ 13 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index11.5
Thermo & Levels
PWAT1.19 in
0–3 km LR7.7 °C/km
700–500 LR6.2 °C/km
Total Totals43.0
LCL790 hPa
LFC586 hPa
EL260 hPa
Freezing Lvl16,749 ft