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

Lafayette, Louisiana

Last updated: 6:23 PM CDT  ·  Refresh
33°C
Feels like 40°
Partly Cloudy
▲ 33°  /  ▼ 25°
Wind
6 mph WSW
Humidity
60%
Dew Point
23°
Pressure
29.83 inHg
Visibility
10 mi
UV Index
4.1
Cloud Cover
49%
Sunrise
6:25 AM
Sunset
8:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1716 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 8:03PM.

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
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
12%
7 PM
33°
29%
8 PM
32°
29%
9 PM
30°
21%
10 PM
29°
23%
11 PM
29°
21%
12 AM
28°
15%
1 AM
27°
4%
2 AM
27°
7%
3 AM
27°
7%
4 AM
27°
15%
5 AM
25°
16%
6 AM
25°
16%
7 AM
26°
21%
8 AM
27°
29%
9 AM
29°
30%
10 AM
31°
23%
11 AM
32°
24%
12 PM
32°
24%
1 PM
35°
35%
2 PM
35°
35%
3 PM
35°
35%
4 PM
34°
35%
5 PM
34°
38%
7-Day Forecast
Tonight
33° 25°
Partly Cloudy with a 21% chance of rain.
Thu
36° 25°
Partly Cloudy with a 31% chance of rain.
Fri
36° 25°
Partly Cloudy with a 38% chance of rain.
Sat
35° 24°
Mostly Cloudy with a 65% chance of rain.
Sun
32° 23°
Drizzle, 80% chance.
Mon
34° 23°
Rain, 65% chance.
Tue
35° 23°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 12% 6 mph WSW 60%
7 PM 33° Partly Cloudy 29% 6 mph SW 65%
8 PM 32° Partly Cloudy 29% 6 mph SW 72%
9 PM 30° Mostly Cloudy 21% 6 mph SW 78%
10 PM 29° Overcast 23% 6 mph SW 82%
11 PM 29° Overcast 21% 5 mph SW 84%
12 AM 28° Mostly Cloudy 15% 5 mph SW 87%
1 AM 27° Mostly Cloudy 4% 5 mph WSW 89%
2 AM 27° Mostly Cloudy 7% 5 mph WSW 90%
3 AM 27° Mostly Cloudy 7% 5 mph WSW 92%
4 AM 27° Partly Cloudy 15% 4 mph WSW 93%
5 AM 25° Partly Cloudy 16% 4 mph WSW 93%
6 AM 25° Partly Cloudy 16% 4 mph WSW 94%
7 AM 26° Partly Cloudy 21% 5 mph WSW 91%
8 AM 27° Partly Cloudy 29% 6 mph W 84%
9 AM 29° Partly Cloudy 30% 7 mph W 76%
10 AM 31° Mostly Cloudy 23% 8 mph W 70%
11 AM 32° Partly Cloudy 24% 8 mph W 65%
12 PM 32° Partly Cloudy 24% 7 mph W 60%
1 PM 35° Partly Cloudy 35% 7 mph W 57%
2 PM 35° Partly Cloudy 35% 7 mph W 57%
3 PM 35° Mostly Cloudy 35% 7 mph WSW 57%
4 PM 34° Mostly Cloudy 35% 7 mph WSW 59%
5 PM 34° Mostly Cloudy 38% 7 mph WSW 64%
15-Day Forecast
Today
7/29
Partly Cloudy
21%
25°
33°
Thu
7/30
Partly Cloudy
31%
25°
36°
Fri
7/31
Partly Cloudy
38%
25°
36°
Sat
8/1
Mostly Cloudy
65%
24°
35°
Sun
8/2
Drizzle
80%
23°
32°
Mon
8/3
Rain
65%
23°
34°
Tue
8/4
Drizzle
53%
23°
35°
Wed
8/5
Drizzle
54%
24°
35°
Thu
8/6
Rain
66%
24°
36°
Fri
8/7
Drizzle
47%
24°
36°
Sat
8/8
Overcast
39%
25°
36°
Sun
8/9
Drizzle
60%
24°
36°
Mon
8/10
Drizzle
60%
25°
36°
Tue
8/11
Drizzle
60%
24°
36°
Wed
8/12
Drizzle
60%
25°
36°
53
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
53 AQI 10.4 µg/m³
O3
Ground-level ozone
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 53 Moderate 36 53
Fri 52 Moderate 38 52
Sat 35 Good 21 35
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
SBCAPE1372 J/kg
MLCAPE335 J/kg
MUCAPE1372 J/kg
SBCIN-34 J/kg
MLCIN0 J/kg
Lifted Index-3.5
Kinematics
0–6 km Shear12 kt
0–1 km Shear2 kt
Eff. Shear16 kt
0–1 km SRH6
0–3 km SRH-6
Eff. SRH-6
Storm Motion301° @ 18 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index18.4
Thermo & Levels
PWAT1.67 in
0–3 km LR7.1 °C/km
700–500 LR5.5 °C/km
Total Totals39.9
LCL868 hPa
LFC828 hPa
EL148 hPa
Freezing Lvl17,369 ft