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: 7:29 PM CDT  ·  Refresh
31°C
Feels like 38°
Partly Cloudy
▲ 33°  /  ▼ 26°
Wind
10 mph SW
Humidity
71%
Dew Point
25°
Pressure
29.88 inHg
Visibility
10 mi
UV Index
1.7
Cloud Cover
38%
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 partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1799 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
31°
32%
8 PM
31°
33%
9 PM
30°
25%
10 PM
30°
25%
11 PM
29°
24%
12 AM
29°
18%
1 AM
28°
11%
2 AM
28°
12%
3 AM
28°
19%
4 AM
28°
27%
5 AM
26°
27%
6 AM
26°
28%
7 AM
27°
28%
8 AM
28°
29%
9 AM
29°
29%
10 AM
30°
24%
11 AM
31°
25%
12 PM
32°
28%
1 PM
33°
36%
2 PM
33°
36%
3 PM
33°
36%
4 PM
33°
36%
5 PM
33°
30%
6 PM
33°
30%
7-Day Forecast
Tonight
33° 26°
Partly Cloudy with a 32% chance of rain.
Thu
34° 26°
Mostly Cloudy with a 36% chance of rain.
Fri
34° 27°
Partly Cloudy.
Sat
34° 27°
Mostly Cloudy with a 76% chance of rain.
Sun
33° 24°
Partly Cloudy with a 80% chance of rain.
Mon
34° 24°
Rain, 69% chance.
Tue
34° 25°
Rain, 59% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 32% 10 mph SW 71%
8 PM 31° Partly Cloudy 33% 8 mph SW 75%
9 PM 30° Partly Cloudy 25% 7 mph SW 78%
10 PM 30° Partly Cloudy 25% 6 mph SW 82%
11 PM 29° Partly Cloudy 24% 6 mph SW 84%
12 AM 29° Partly Cloudy 18% 5 mph SW 85%
1 AM 28° Mostly Cloudy 11% 5 mph WSW 86%
2 AM 28° Mostly Cloudy 12% 5 mph WSW 86%
3 AM 28° Mostly Cloudy 19% 4 mph WSW 87%
4 AM 28° Mostly Cloudy 27% 4 mph WSW 88%
5 AM 26° Mostly Cloudy 27% 4 mph WSW 88%
6 AM 26° Partly Cloudy 28% 4 mph WSW 88%
7 AM 27° Partly Cloudy 28% 4 mph W 86%
8 AM 28° Mostly Cloudy 29% 5 mph W 79%
9 AM 29° Mostly Cloudy 29% 6 mph W 73%
10 AM 30° Mostly Cloudy 24% 6 mph W 69%
11 AM 31° Mostly Cloudy 25% 6 mph W 65%
12 PM 32° Mostly Cloudy 28% 6 mph W 61%
1 PM 33° Mostly Cloudy 36% 6 mph WSW 59%
2 PM 33° Mostly Cloudy 36% 6 mph WSW 59%
3 PM 33° Mostly Cloudy 36% 6 mph WSW 60%
4 PM 33° Mostly Cloudy 36% 7 mph WSW 61%
5 PM 33° Mostly Cloudy 30% 7 mph WSW 63%
6 PM 33° Mostly Cloudy 30% 7 mph SW 66%
15-Day Forecast
Today
7/29
Partly Cloudy
32%
26°
33°
Thu
7/30
Mostly Cloudy
36%
26°
34°
Fri
7/31
Partly Cloudy
18%
27°
34°
Sat
8/1
Mostly Cloudy
76%
27°
34°
Sun
8/2
Partly Cloudy
80%
24°
33°
Mon
8/3
Rain
69%
24°
34°
Tue
8/4
Rain
59%
25°
34°
Wed
8/5
Rain
63%
26°
34°
Thu
8/6
Rain
66%
26°
34°
Fri
8/7
Rain
58%
26°
34°
Sat
8/8
Drizzle
52%
26°
36°
Sun
8/9
Drizzle
60%
26°
35°
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
Today 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, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2228 J/kg
MLCAPE1526 J/kg
MUCAPE2228 J/kg
SBCIN-21 J/kg
MLCIN0 J/kg
Lifted Index-4.4
Kinematics
0–6 km Shear17 kt
0–1 km Shear5 kt
Eff. Shear19 kt
0–1 km SRH5
0–3 km SRH-5
Eff. SRH-5
Storm Motion305° @ 18 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index23.8
Thermo & Levels
PWAT1.95 in
0–3 km LR6.3 °C/km
700–500 LR5.4 °C/km
Total Totals42.8
LCL921 hPa
LFC885 hPa
EL134 hPa
Freezing Lvl17,562 ft