Lafayette, Louisiana

Last updated: 11:19 PM CDT  ·  Refresh
27°C
Feels like 29°
Clear
▲ 35°  /  ▼ 22°
Wind
2 mph S
Humidity
82%
Dew Point
23°
Pressure
29.98 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
8%
Sunrise
6:43 AM
Sunset
7:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette is currently clear at 27°C. Precipitation is likely — peak probability 53% around 3 PM. Atmospheric instability is elevated (CAPE up to 1758 J/kg) — isolated convective development possible. Sunrise: 6:43AM · Sunset: 7:34PM.

Alerts

No active alerts for this location.
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
12 AM
27°
14%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
5%
4 AM
25°
5%
5 AM
22°
6%
6 AM
22°
15%
7 AM
23°
15%
8 AM
25°
22%
9 AM
27°
10%
10 AM
29°
18%
11 AM
31°
34%
12 PM
32°
40%
1 PM
35°
40%
2 PM
35°
47%
3 PM
34°
52%
4 PM
33°
47%
5 PM
34°
47%
6 PM
33°
36%
7 PM
33°
37%
8 PM
32°
37%
9 PM
31°
18%
10 PM
30°
18%
7-Day Forecast
Tonight
35° 22°
Clear.
Sun
35° 22°
Partly Cloudy with a 47% chance of rain.
Mon
33° 23°
Rain, 90% chance.
Tue
34° 22°
Partly Cloudy with a 46% chance of rain.
Wed
35° 24°
Rain, 64% chance.
Thu
34° 24°
Rain, 70% chance.
Fri
35° 24°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 3% 2 mph S 82%
12 AM 27° Clear 14% 2 mph SW 82%
1 AM 26° Clear 3% 2 mph NW 84%
2 AM 26° Clear 3% 2 mph N 86%
3 AM 26° Clear 5% 2 mph N 88%
4 AM 25° Mostly Clear 5% 3 mph N 90%
5 AM 22° Mostly Clear 6% 3 mph NNE 91%
6 AM 22° Mostly Clear 15% 3 mph NNE 92%
7 AM 23° Mostly Clear 15% 3 mph NNE 90%
8 AM 25° Mostly Clear 22% 3 mph NNE 83%
9 AM 27° Clear 10% 4 mph NNE 74%
10 AM 29° Clear 18% 5 mph NNE 66%
11 AM 31° Mostly Clear 34% 6 mph NNE 60%
12 PM 32° Mostly Clear 40% 6 mph NNE 52%
1 PM 35° Partly Cloudy 40% 7 mph NE 48%
2 PM 35° Partly Cloudy 47% 7 mph NE 50%
3 PM 34° Partly Cloudy 52% 8 mph ENE 55%
4 PM 33° Rain 47% 8 mph ENE 59%
5 PM 34° Rain 47% 7 mph E 62%
6 PM 33° Rain 36% 7 mph E 65%
7 PM 33° Partly Cloudy 37% 7 mph E 68%
8 PM 32° Partly Cloudy 37% 7 mph E 70%
9 PM 31° Partly Cloudy 18% 7 mph E 73%
10 PM 30° Partly Cloudy 18% 7 mph E 76%
15-Day Forecast
Today
8/29
Clear
3%
22°
35°
Sun
8/30
Partly Cloudy
47%
22°
35°
Mon
8/31
Rain
90%
23°
33°
Tue
9/1
Partly Cloudy
46%
22°
34°
Wed
9/2
Rain
64%
24°
35°
Thu
9/3
Rain
70%
24°
34°
Fri
9/4
Rain
64%
24°
35°
Sat
9/5
Rain
82%
24°
35°
Sun
9/6
Rain
69%
24°
36°
Mon
9/7
Rain
68%
23°
34°
Tue
9/8
Rain
64%
23°
34°
Wed
9/9
Drizzle
60%
24°
34°
Thu
9/10
Drizzle
60%
24°
34°
Fri
9/11
Drizzle
60%
24°
34°
Sat
9/12
Drizzle
60%
24°
34°
52
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
52 AQI 9.7 µg/m³
O3
Ground-level ozone
46 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 46 52
Mon 51 Moderate 50 51
Tue 46 Good 44 46
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 Sun Aug 30, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1334 J/kg
MLCAPE792 J/kg
MUCAPE1334 J/kg
SBCIN-147 J/kg
MLCIN-121 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear21 kt
0–1 km Shear8 kt
Eff. Shear19 kt
0–1 km SRH7
0–3 km SRH27
Eff. SRH27
Storm Motion119° @ 18 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index19.5
Thermo & Levels
PWAT1.50 in
0–3 km LR5.6 °C/km
700–500 LR5.1 °C/km
Total Totals40.7
LCL963 hPa
LFC612 hPa
EL186 hPa
Freezing Lvl17,119 ft