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: 5:19 PM CDT  ·  Refresh
34°C
Feels like 40°
Mostly Cloudy
▲ 35°  /  ▼ 25°
Wind
6 mph W
Humidity
54%
Dew Point
22°
Pressure
29.84 inHg
Visibility
10 mi
UV Index
5.4
Cloud Cover
61%
Sunrise
6:25 AM
Sunset
8:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette is currently mostly cloudy at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1748 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
34°
4%
6 PM
35°
23%
7 PM
34°
23%
8 PM
32°
23%
9 PM
30°
23%
10 PM
29°
25%
11 PM
29°
23%
12 AM
28°
17%
1 AM
27°
5%
2 AM
27°
8%
3 AM
27°
8%
4 AM
27°
8%
5 AM
25°
8%
6 AM
25°
8%
7 AM
26°
14%
8 AM
27°
23%
9 AM
29°
24%
10 AM
31°
26%
11 AM
31°
27%
12 PM
33°
27%
1 PM
34°
39%
2 PM
34°
39%
3 PM
34°
39%
4 PM
34°
39%
7-Day Forecast
Today
35° 25°
Mostly Cloudy with a 23% chance of rain.
Thu
36° 25°
Partly Cloudy with a 47% chance of rain.
Fri
35° 24°
Partly Cloudy with a 44% chance of rain.
Sat
34° 24°
Mostly Cloudy with a 78% chance of rain.
Sun
33° 24°
Drizzle, 71% chance.
Mon
35° 24°
Rain, 74% chance.
Tue
35° 24°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Cloudy 4% 6 mph W 54%
6 PM 35° Partly Cloudy 23% 7 mph WSW 58%
7 PM 34° Mostly Cloudy 23% 7 mph SW 66%
8 PM 32° Mostly Cloudy 23% 6 mph SW 74%
9 PM 30° Mostly Cloudy 23% 6 mph SW 79%
10 PM 29° Overcast 25% 6 mph SW 82%
11 PM 29° Mostly Cloudy 23% 5 mph SW 84%
12 AM 28° Mostly Cloudy 17% 5 mph WSW 87%
1 AM 27° Mostly Cloudy 5% 5 mph WSW 89%
2 AM 27° Mostly Cloudy 8% 5 mph WSW 90%
3 AM 27° Mostly Cloudy 8% 5 mph WSW 92%
4 AM 27° Partly Cloudy 8% 4 mph WSW 93%
5 AM 25° Partly Cloudy 8% 4 mph WSW 94%
6 AM 25° Partly Cloudy 8% 4 mph WSW 94%
7 AM 26° Partly Cloudy 14% 5 mph W 92%
8 AM 27° Partly Cloudy 23% 6 mph W 84%
9 AM 29° Partly Cloudy 24% 7 mph W 76%
10 AM 31° Partly Cloudy 26% 8 mph W 69%
11 AM 31° Partly Cloudy 27% 8 mph W 65%
12 PM 33° Partly Cloudy 27% 7 mph W 60%
1 PM 34° Partly Cloudy 39% 7 mph W 58%
2 PM 34° Partly Cloudy 39% 7 mph W 59%
3 PM 34° Partly Cloudy 39% 7 mph WSW 60%
4 PM 34° Partly Cloudy 39% 7 mph WSW 62%
15-Day Forecast
Today
7/29
Mostly Cloudy
23%
25°
35°
Thu
7/30
Partly Cloudy
47%
25°
36°
Fri
7/31
Partly Cloudy
44%
24°
35°
Sat
8/1
Mostly Cloudy
78%
24°
34°
Sun
8/2
Drizzle
71%
24°
33°
Mon
8/3
Rain
74%
24°
35°
Tue
8/4
Drizzle
60%
24°
35°
Wed
8/5
Drizzle
60%
24°
35°
Thu
8/6
Drizzle
60%
24°
36°
Fri
8/7
Drizzle
60%
24°
35°
Sat
8/8
Drizzle
60%
24°
35°
Sun
8/9
Drizzle
60%
24°
35°
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, 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
SBCAPE1432 J/kg
MLCAPE417 J/kg
MUCAPE1432 J/kg
SBCIN0 J/kg
MLCIN-0 J/kg
Lifted Index-3.8
Kinematics
0–6 km Shear9 kt
0–1 km Shear1 kt
Eff. Shear12 kt
0–1 km SRH5
0–3 km SRH-4
Eff. SRH-4
Storm Motion304° @ 18 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index19.8
Thermo & Levels
PWAT1.64 in
0–3 km LR7.4 °C/km
700–500 LR5.4 °C/km
Total Totals40.6
LCL855 hPa
LFC1011 hPa
EL147 hPa
Freezing Lvl17,352 ft