Heat Advisory — Evangeline, LA, Lafayette, LA, Northern Acadia, LA, Upper Vermilion, LA, Southern Acadia, LA, Lower Vermilion, LA, Lower Iberia, LA, Rapides, LA, Avoyelles, LA, St. Landry, LA, Upper St. Martin, LA, Lower St. Martin, LA, Upper Iberia, LA, Upper St. Mary, LA, Lower St. Mary, LA 8:00 PM Heat Advisory — Rapides, LA, Avoyelles, LA, Evangeline, LA, St. Landry, LA, Lafayette, LA, Upper St. Martin, LA, Lower St. Martin, LA, Northern Acadia, LA, Upper Vermilion, LA, Upper Iberia, LA, Upper St. Mary, LA, Southern Acadia, LA, Lower Vermilion, LA, Lower Iberia, LA, Lower St. Mary, LA 8:00 PM

Lower Island, Vermilion Parish, Louisiana, United States

Last updated: 5:18 PM CDT  ·  Refresh
33°C
Feels like 40°
Mostly Cloudy
▲ 33°  /  ▼ 26°
Wind
9 mph WSW
Humidity
63%
Dew Point
24°
Pressure
29.88 inHg
Visibility
10 mi
UV Index
4.7
Cloud Cover
72%
Sunrise
6:27 AM
Sunset
8:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lower Island is currently mostly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1944 J/kg) — isolated convective development possible. Sunrise: 6:27AM · Sunset: 8:04PM.

Alerts

Heat Advisory
Evangeline, LA, Lafayette, LA, Northern Acadia, LA, Upper Vermilion, LA, Southern Acadia, LA, Lower Vermilion, LA, Lower Iberia, LA, Rapides, LA, Avoyelles, LA, St. Landry, LA, Upper St. Martin, LA, Lower St. Martin, LA, Upper Iberia, LA, Upper St. Mary, LA, Lower St. Mary, LA
Expires 8:00 PM
Heat Advisory
Rapides, LA, Avoyelles, LA, Evangeline, LA, St. Landry, LA, Lafayette, LA, Upper St. Martin, LA, Lower St. Martin, LA, Northern Acadia, LA, Upper Vermilion, LA, Upper Iberia, LA, Upper St. Mary, LA, Southern Acadia, LA, Lower Vermilion, LA, Lower Iberia, LA, Lower St. Mary, LA
Expires 8:00 PM
45 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
40%
6 PM
32°
47%
7 PM
31°
46%
8 PM
31°
45%
9 PM
30°
28%
10 PM
29°
28%
11 PM
29°
26%
12 AM
29°
20%
1 AM
28°
8%
2 AM
28°
13%
3 AM
28°
21%
4 AM
28°
22%
5 AM
26°
22%
6 AM
26°
23%
7 AM
26°
23%
8 AM
28°
23%
9 AM
29°
24%
10 AM
29°
28%
11 AM
30°
28%
12 PM
32°
31%
1 PM
33°
34%
2 PM
33°
31%
3 PM
33°
32%
4 PM
33°
32%
7-Day Forecast
Today
33° 26°
Mostly Cloudy with a 45% chance of rain.
Thu
34° 26°
Partly Cloudy with a 28% chance of rain.
Fri
34° 27°
Partly Cloudy with a 22% chance of rain.
Sat
33° 27°
Mostly Cloudy with a 78% chance of rain.
Sun
33° 26°
Drizzle, 79% chance.
Mon
34° 26°
Rain, 78% chance.
Tue
34° 26°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Cloudy 40% 9 mph WSW 63%
6 PM 32° Mostly Cloudy 47% 8 mph WSW 67%
7 PM 31° Mostly Cloudy 46% 7 mph WSW 72%
8 PM 31° Mostly Cloudy 45% 6 mph SW 75%
9 PM 30° Mostly Cloudy 28% 6 mph SW 79%
10 PM 29° Mostly Cloudy 28% 6 mph SW 82%
11 PM 29° Partly Cloudy 26% 6 mph SW 84%
12 AM 29° Partly Cloudy 20% 5 mph SW 85%
1 AM 28° Mostly Cloudy 8% 4 mph WSW 87%
2 AM 28° Mostly Cloudy 13% 4 mph WSW 88%
3 AM 28° Mostly Cloudy 21% 4 mph WSW 88%
4 AM 28° Mostly Cloudy 22% 4 mph WSW 89%
5 AM 26° Mostly Cloudy 22% 4 mph WSW 90%
6 AM 26° Partly Cloudy 23% 4 mph W 90%
7 AM 26° Partly Cloudy 23% 4 mph W 89%
8 AM 28° Partly Cloudy 23% 5 mph W 82%
9 AM 29° Mostly Cloudy 24% 6 mph W 76%
10 AM 29° Mostly Cloudy 28% 6 mph W 70%
11 AM 30° Mostly Cloudy 28% 6 mph W 66%
12 PM 32° Partly Cloudy 31% 6 mph W 64%
1 PM 33° Partly Cloudy 34% 6 mph W 62%
2 PM 33° Partly Cloudy 31% 6 mph WSW 62%
3 PM 33° Mostly Cloudy 32% 6 mph WSW 62%
4 PM 33° Mostly Cloudy 32% 6 mph WSW 62%
15-Day Forecast
Today
7/29
Mostly Cloudy
45%
26°
33°
Thu
7/30
Partly Cloudy
28%
26°
34°
Fri
7/31
Partly Cloudy
22%
27°
34°
Sat
8/1
Mostly Cloudy
78%
27°
33°
Sun
8/2
Drizzle
79%
26°
33°
Mon
8/3
Rain
78%
26°
34°
Tue
8/4
Drizzle
60%
26°
34°
Wed
8/5
Drizzle
60%
26°
34°
Thu
8/6
Drizzle
60%
26°
35°
Fri
8/7
Drizzle
60%
26°
34°
Sat
8/8
Drizzle
54%
25°
33°
Sun
8/9
Drizzle
60%
26°
33°
Mon
8/10
Drizzle
60%
26°
34°
Tue
8/11
Drizzle
60%
26°
34°
Wed
8/12
Drizzle
60%
26°
34°
45
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
45 AQI 8.1 µg/m³
O3
Ground-level ozone
29 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 45 Good 29 45
Fri 38 Good 30 38
Sat 27 Good 20 27
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 Wed Jul 29, 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
SBCAPE2363 J/kg
MLCAPE1182 J/kg
MUCAPE2363 J/kg
SBCIN-6 J/kg
MLCIN0 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear14 kt
0–1 km Shear3 kt
Eff. Shear13 kt
0–1 km SRH-6
0–3 km SRH-12
Eff. SRH-12
Storm Motion296° @ 18 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.8
Thermo & Levels
PWAT2.02 in
0–3 km LR7.2 °C/km
700–500 LR5.1 °C/km
Total Totals44.0
LCL894 hPa
LFC881 hPa
EL132 hPa
Freezing Lvl17,464 ft