Heat Advisory — Avoyelles, LA, St. Landry, LA, Lafayette, LA, Upper St. Martin, LA, Lower St. Martin, LA, Upper Iberia, LA, Upper St. Mary, LA, Lower Iberia, LA, Lower St. Mary, LA 7:00 PM Heat Advisory — Avoyelles, LA, St. Landry, LA, Lafayette, LA, Upper St. Martin, LA, Lower St. Martin, LA, Upper Iberia, LA, Upper St. Mary, LA, Lower Iberia, LA, Lower St. Mary, LA 7:00 PM

Lafayette, Louisiana

Last updated: 2:59 PM CDT  ·  Refresh
34°C
Feels like 42°
Mostly Clear
▲ 35°  /  ▼ 23°
Wind
8 mph SSW
Humidity
54%
Dew Point
23°
Pressure
30.07 inHg
Visibility
10 mi
UV Index
8.9
Cloud Cover
26%
Sunrise
6:34 AM
Sunset
7:50 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette is currently mostly clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2908 J/kg) — isolated convective development possible. Sunrise: 6:34AM · Sunset: 7:50PM.

Alerts

Heat Advisory
Avoyelles, LA, St. Landry, LA, Lafayette, LA, Upper St. Martin, LA, Lower St. Martin, LA, Upper Iberia, LA, Upper St. Mary, LA, Lower Iberia, LA, Lower St. Mary, LA
Expires 7:00 PM
Heat Advisory
Avoyelles, LA, St. Landry, LA, Lafayette, LA, Upper St. Martin, LA, Lower St. Martin, LA, Upper Iberia, LA, Upper St. Mary, LA, Lower Iberia, LA, Lower St. Mary, LA
Expires 7:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
3%
3 PM
35°
3%
4 PM
34°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
31°
3%
8 PM
30°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
28°
7%
12 AM
28°
6%
1 AM
27°
6%
2 AM
26°
6%
3 AM
26°
6%
4 AM
26°
7%
5 AM
24°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
27°
3%
9 AM
31°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
32°
3%
7-Day Forecast
Today
35° 23°
Mostly Clear.
Sat
36° 24°
Clear.
Sun
35° 23°
Partly Cloudy.
Mon
36° 22°
Mostly Clear.
Tue
37° 24°
Clear.
Wed
37° 23°
Clear with a 50% chance of rain.
Thu
37° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 3% 8 mph SSW 54%
3 PM 35° Clear 3% 10 mph S 53%
4 PM 34° Clear 3% 10 mph S 56%
5 PM 34° Clear 3% 9 mph S 59%
6 PM 33° Clear 3% 8 mph S 65%
7 PM 31° Clear 3% 7 mph S 73%
8 PM 30° Clear 3% 7 mph S 80%
9 PM 29° Clear 3% 6 mph SSW 88%
10 PM 28° Clear 3% 5 mph SSW 89%
11 PM 28° Mostly Clear 7% 5 mph SSW 90%
12 AM 28° Mostly Clear 6% 4 mph SSW 90%
1 AM 27° Mostly Clear 6% 4 mph SSW 91%
2 AM 26° Mostly Clear 6% 4 mph SSW 91%
3 AM 26° Mostly Clear 6% 4 mph SSW 91%
4 AM 26° Mostly Clear 7% 4 mph SW 91%
5 AM 24° Mostly Clear 3% 4 mph SW 91%
6 AM 24° Mostly Clear 3% 4 mph WSW 91%
7 AM 25° Mostly Clear 3% 3 mph WSW 86%
8 AM 27° Clear 3% 4 mph WSW 78%
9 AM 31° Clear 3% 5 mph WSW 72%
10 AM 31° Clear 3% 4 mph WSW 68%
11 AM 32° Mostly Clear 3% 4 mph WSW 64%
12 PM 33° Mostly Clear 3% 4 mph SW 60%
1 PM 32° Mostly Clear 3% 4 mph SW 58%
15-Day Forecast
Today
8/14
Mostly Clear
7%
23°
35°
Sat
8/15
Clear
6%
24°
36°
Sun
8/16
Partly Cloudy
8%
23°
35°
Mon
8/17
Mostly Clear
8%
22°
36°
Tue
8/18
Clear
3%
24°
37°
Wed
8/19
Clear
50%
23°
37°
Thu
8/20
Clear
9%
23°
37°
Fri
8/21
Drizzle
60%
22°
38°
Sat
8/22
Thunderstorm
60%
23°
37°
Sun
8/23
Drizzle
60%
21°
38°
Mon
8/24
Drizzle
60%
23°
36°
Tue
8/25
Drizzle
60%
24°
36°
Wed
8/26
Drizzle
60%
24°
36°
Thu
8/27
Drizzle
60%
24°
37°
Fri
8/28
Drizzle
60%
24°
37°
51
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
51 AQI 9.4 µg/m³
O3
Ground-level ozone
23 AQI 25 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 51 Moderate 23 51
Sun 43 Good 29 43
Mon 38 Good 37 38
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 Fri Aug 14, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3310 J/kg
MLCAPE2459 J/kg
MUCAPE3310 J/kg
SBCIN0 J/kg
MLCIN-6 J/kg
Lifted Index-6.4
Kinematics
0–6 km Shear6 kt
0–1 km Shear3 kt
Eff. Shear9 kt
0–1 km SRH11
0–3 km SRH8
Eff. SRH8
Storm Motion221° @ 22 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.7
Thermo & Levels
PWAT2.01 in
0–3 km LR7.9 °C/km
700–500 LR5.5 °C/km
Total Totals46.2
LCL865 hPa
LFC1018 hPa
EL141 hPa
Freezing Lvl16,657 ft