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

St. Landry Parish, Louisiana, United States

Last updated: 6:24 PM CDT  ·  Refresh
33°C
Feels like 40°
Partly Cloudy
▲ 34°  /  ▼ 24°
Wind
7 mph SW
Humidity
60%
Dew Point
23°
Pressure
29.83 inHg
Visibility
10 mi
UV Index
4.3
Cloud Cover
35%
Sunrise
6:24 AM
Sunset
8:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: St. Landry Parish is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1798 J/kg) — isolated convective development possible. Sunrise: 6:24AM · 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
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
9%
7 PM
34°
26%
8 PM
32°
26%
9 PM
29°
21%
10 PM
29°
15%
11 PM
28°
15%
12 AM
28°
15%
1 AM
27°
4%
2 AM
27°
7%
3 AM
26°
7%
4 AM
26°
7%
5 AM
24°
8%
6 AM
24°
8%
7 AM
25°
8%
8 AM
27°
8%
9 AM
29°
10%
10 AM
30°
24%
11 AM
31°
24%
12 PM
32°
27%
1 PM
34°
27%
2 PM
34°
27%
3 PM
35°
25%
4 PM
34°
35%
5 PM
34°
38%
7-Day Forecast
Tonight
34° 24°
Partly Cloudy with a 21% chance of rain.
Thu
36° 24°
Mostly Cloudy with a 46% chance of rain.
Fri
35° 24°
Partly Cloudy.
Sat
34° 24°
Mostly Cloudy with a 55% chance of rain.
Sun
32° 23°
Drizzle, 76% chance.
Mon
33° 22°
Rain, 65% chance.
Tue
34° 23°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 9% 7 mph SW 60%
7 PM 34° Partly Cloudy 26% 6 mph SW 65%
8 PM 32° Mostly Cloudy 26% 6 mph SW 71%
9 PM 29° Mostly Cloudy 21% 6 mph SSW 78%
10 PM 29° Overcast 15% 7 mph SW 83%
11 PM 28° Overcast 15% 7 mph SW 86%
12 AM 28° Mostly Cloudy 15% 6 mph SW 89%
1 AM 27° Mostly Cloudy 4% 6 mph SW 91%
2 AM 27° Mostly Cloudy 7% 6 mph WSW 93%
3 AM 26° Mostly Cloudy 7% 6 mph WSW 94%
4 AM 26° Mostly Cloudy 7% 5 mph WSW 95%
5 AM 24° Mostly Cloudy 8% 5 mph WSW 94%
6 AM 24° Mostly Cloudy 8% 5 mph WSW 94%
7 AM 25° Partly Cloudy 8% 6 mph WSW 90%
8 AM 27° Mostly Cloudy 8% 7 mph W 83%
9 AM 29° Mostly Cloudy 10% 8 mph W 75%
10 AM 30° Mostly Cloudy 24% 8 mph W 70%
11 AM 31° Mostly Cloudy 24% 7 mph W 66%
12 PM 32° Mostly Cloudy 27% 7 mph W 63%
1 PM 34° Mostly Cloudy 27% 6 mph WSW 60%
2 PM 34° Mostly Cloudy 27% 6 mph WSW 58%
3 PM 35° Mostly Cloudy 25% 6 mph WSW 57%
4 PM 34° Mostly Cloudy 35% 6 mph WSW 58%
5 PM 34° Mostly Cloudy 38% 6 mph WSW 62%
15-Day Forecast
Today
7/29
Partly Cloudy
21%
24°
34°
Thu
7/30
Mostly Cloudy
46%
24°
36°
Fri
7/31
Partly Cloudy
16%
24°
35°
Sat
8/1
Mostly Cloudy
55%
24°
34°
Sun
8/2
Drizzle
76%
23°
32°
Mon
8/3
Rain
65%
22°
33°
Tue
8/4
Drizzle
53%
23°
34°
Wed
8/5
Rain
63%
23°
35°
Thu
8/6
Rain
66%
23°
36°
Fri
8/7
Drizzle
47%
24°
36°
Sat
8/8
Mostly Cloudy
39%
24°
37°
Sun
8/9
Drizzle
60%
23°
37°
Mon
8/10
Drizzle
60%
24°
35°
Tue
8/11
Drizzle
60%
23°
36°
Wed
8/12
Drizzle
60%
24°
36°
54
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
54 AQI 10.7 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 54 Moderate 31 54
Fri 55 Moderate 30 55
Sat 42 Good 27 42
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
SBCAPE1535 J/kg
MLCAPE440 J/kg
MUCAPE1535 J/kg
SBCIN-41 J/kg
MLCIN0 J/kg
Lifted Index-3.7
Kinematics
0–6 km Shear13 kt
0–1 km Shear2 kt
Eff. Shear18 kt
0–1 km SRH6
0–3 km SRH-8
Eff. SRH-8
Storm Motion299° @ 17 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index16.2
Thermo & Levels
PWAT1.64 in
0–3 km LR7.0 °C/km
700–500 LR5.5 °C/km
Total Totals40.0
LCL869 hPa
LFC820 hPa
EL146 hPa
Freezing Lvl17,425 ft