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, Lower St. Bernard, LA, Northern Tangipahoa, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS 8:00 PM

Coastal Levy, FL

Last updated: 1:47 PM CDT  ·  Refresh
34°C
Feels like 41°
Mostly Clear
▲ 37°  /  ▼ 25°
Wind
4 mph W
Humidity
52%
Dew Point
24°
Pressure
30.03 inHg
Visibility
10 mi
UV Index
9.6
Cloud Cover
14%
Sunrise
6:32 AM
Sunset
7:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Coastal Levy is currently mostly clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2865 J/kg) — isolated convective development possible. Sunrise: 6:32AM · Sunset: 7:44PM.

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, Lower St. Bernard, LA, Northern Tangipahoa, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS
Expires 8:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
19%
2 PM
36°
40%
3 PM
36°
42%
4 PM
36°
26%
5 PM
36°
25%
6 PM
33°
41%
7 PM
32°
40%
8 PM
31°
8%
9 PM
31°
8%
10 PM
30°
8%
11 PM
29°
8%
12 AM
28°
5%
1 AM
28°
5%
2 AM
27°
11%
3 AM
27°
11%
4 AM
27°
20%
5 AM
25°
25%
6 AM
25°
25%
7 AM
26°
24%
8 AM
27°
24%
9 AM
29°
24%
10 AM
29°
21%
11 AM
31°
17%
12 PM
32°
13%
7-Day Forecast
Today
37° 25°
Partly Cloudy with a 41% chance of rain.
Tue
38° 25°
Partly Cloudy with a 55% chance of rain.
Wed
39° 26°
Mostly Cloudy.
Thu
37° 25°
Overcast with a 52% chance of rain.
Fri
39° 24°
Thunderstorm, 60% chance.
Sat
38° 23°
Clear with a 35% chance of rain.
Sun
39° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 19% 4 mph W 52%
2 PM 36° Partly Cloudy 40% 3 mph WNW 49%
3 PM 36° Partly Cloudy 42% 3 mph W 47%
4 PM 36° Partly Cloudy 26% 3 mph SSW 51%
5 PM 36° Partly Cloudy 25% 5 mph S 58%
6 PM 33° Mostly Cloudy 41% 8 mph S 65%
7 PM 32° Mostly Cloudy 40% 9 mph SSW 68%
8 PM 31° Partly Cloudy 8% 8 mph SSW 70%
9 PM 31° Partly Cloudy 8% 7 mph SW 72%
10 PM 30° Mostly Clear 8% 7 mph SW 74%
11 PM 29° Mostly Clear 8% 6 mph SW 75%
12 AM 28° Partly Cloudy 5% 6 mph SW 77%
1 AM 28° Partly Cloudy 5% 5 mph SW 78%
2 AM 27° Mostly Cloudy 11% 5 mph SW 81%
3 AM 27° Mostly Cloudy 11% 5 mph SW 83%
4 AM 27° Mostly Cloudy 20% 4 mph WSW 85%
5 AM 25° Mostly Cloudy 25% 4 mph WSW 87%
6 AM 25° Mostly Cloudy 25% 4 mph W 89%
7 AM 26° Mostly Cloudy 24% 5 mph W 87%
8 AM 27° Mostly Cloudy 24% 6 mph W 83%
9 AM 29° Partly Cloudy 24% 7 mph W 81%
10 AM 29° Partly Cloudy 21% 6 mph W 75%
11 AM 31° Partly Cloudy 17% 6 mph W 68%
12 PM 32° Partly Cloudy 13% 6 mph W 62%
15-Day Forecast
Today
8/17
Partly Cloudy
41%
25°
37°
Tue
8/18
Partly Cloudy
55%
25°
38°
Wed
8/19
Mostly Cloudy
8%
26°
39°
Thu
8/20
Overcast
52%
25°
37°
Fri
8/21
Thunderstorm
60%
24°
39°
Sat
8/22
Clear
35%
23°
38°
Sun
8/23
Clear
19%
22°
39°
Mon
8/24
Clear
25%
23°
39°
Tue
8/25
Drizzle
60%
24°
39°
Wed
8/26
Drizzle
42%
23°
39°
Thu
8/27
Drizzle
60%
24°
38°
Fri
8/28
Drizzle
60%
23°
38°
Sat
8/29
Drizzle
60%
23°
38°
Sun
8/30
Drizzle
60%
23°
37°
Mon
8/31
Drizzle
60%
23°
37°
51
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
51 AQI 9.3 µg/m³
O3
Ground-level ozone
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 51 Moderate 34 51
Wed 49 Good 31 49
Thu 44 Good 24 44
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 Mon Aug 17, 17:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3742 J/kg
MLCAPE2674 J/kg
MUCAPE3742 J/kg
SBCIN0 J/kg
MLCIN-13 J/kg
Lifted Index-7.5
Kinematics
0–6 km Shear6 kt
0–1 km Shear0 kt
Eff. Shear12 kt
0–1 km SRH-1
0–3 km SRH7
Eff. SRH7
Storm Motion261° @ 15 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.7
Thermo & Levels
PWAT2.15 in
0–3 km LR8.0 °C/km
700–500 LR5.5 °C/km
Total Totals47.9
LCL875 hPa
LFC1017 hPa
EL126 hPa
Freezing Lvl16,207 ft