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: 6:22 PM CDT  ·  Refresh
32°C
Feels like 39°
Partly Cloudy
▲ 33°  /  ▼ 26°
Wind
9 mph SW
Humidity
65%
Dew Point
24°
Pressure
29.87 inHg
Visibility
10 mi
UV Index
4.3
Cloud Cover
42%
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 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1883 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
32°
17%
7 PM
32°
33%
8 PM
31°
33%
9 PM
31°
25%
10 PM
30°
25%
11 PM
29°
24%
12 AM
29°
18%
1 AM
28°
7%
2 AM
28°
12%
3 AM
28°
19%
4 AM
28°
27%
5 AM
26°
28%
6 AM
26°
28%
7 AM
27°
29%
8 AM
28°
29%
9 AM
29°
30%
10 AM
30°
25%
11 AM
31°
25%
12 PM
31°
34%
1 PM
33°
39%
2 PM
33°
36%
3 PM
33°
36%
4 PM
33°
37%
5 PM
33°
27%
7-Day Forecast
Tonight
33° 26°
Partly Cloudy with a 25% chance of rain.
Thu
34° 26°
Mostly Cloudy with a 34% chance of rain.
Fri
34° 27°
Partly Cloudy.
Sat
34° 27°
Mostly Cloudy with a 74% chance of rain.
Sun
33° 24°
Drizzle, 80% chance.
Mon
34° 24°
Rain, 69% chance.
Tue
34° 25°
Drizzle, 59% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Partly Cloudy 17% 9 mph SW 65%
7 PM 32° Mostly Cloudy 33% 8 mph SW 70%
8 PM 31° Partly Cloudy 33% 8 mph SW 74%
9 PM 31° Partly Cloudy 25% 7 mph SW 78%
10 PM 30° Mostly Cloudy 25% 6 mph SW 81%
11 PM 29° Mostly Cloudy 24% 6 mph SW 83%
12 AM 29° Mostly Cloudy 18% 5 mph SW 84%
1 AM 28° Mostly Cloudy 7% 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° Partly Cloudy 28% 4 mph WSW 88%
6 AM 26° Partly Cloudy 28% 4 mph WSW 88%
7 AM 27° Partly Cloudy 29% 4 mph W 86%
8 AM 28° Partly Cloudy 29% 5 mph W 80%
9 AM 29° Mostly Cloudy 30% 6 mph W 74%
10 AM 30° Mostly Cloudy 25% 6 mph W 69%
11 AM 31° Mostly Cloudy 25% 6 mph W 65%
12 PM 31° Mostly Cloudy 34% 5 mph W 62%
1 PM 33° Mostly Cloudy 39% 5 mph WSW 60%
2 PM 33° Mostly Cloudy 36% 6 mph WSW 60%
3 PM 33° Mostly Cloudy 36% 6 mph WSW 60%
4 PM 33° Mostly Cloudy 37% 6 mph WSW 61%
5 PM 33° Mostly Cloudy 27% 7 mph WSW 64%
15-Day Forecast
Today
7/29
Partly Cloudy
25%
26°
33°
Thu
7/30
Mostly Cloudy
34%
26°
34°
Fri
7/31
Partly Cloudy
16%
27°
34°
Sat
8/1
Mostly Cloudy
74%
27°
34°
Sun
8/2
Drizzle
80%
24°
33°
Mon
8/3
Rain
69%
24°
34°
Tue
8/4
Drizzle
59%
25°
34°
Wed
8/5
Rain
63%
26°
34°
Thu
8/6
Rain
66%
26°
34°
Fri
8/7
Rain
66%
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
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, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2050 J/kg
MLCAPE1146 J/kg
MUCAPE2050 J/kg
SBCIN-11 J/kg
MLCIN0 J/kg
Lifted Index-4.3
Kinematics
0–6 km Shear16 kt
0–1 km Shear4 kt
Eff. Shear16 kt
0–1 km SRH4
0–3 km SRH-8
Eff. SRH-8
Storm Motion303° @ 17 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index25.5
Thermo & Levels
PWAT1.98 in
0–3 km LR6.7 °C/km
700–500 LR5.4 °C/km
Total Totals43.7
LCL899 hPa
LFC879 hPa
EL137 hPa
Freezing Lvl17,556 ft