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: 5:19 PM CDT  ·  Refresh
34°C
Feels like 41°
Mostly Cloudy
▲ 36°  /  ▼ 24°
Wind
7 mph WSW
Humidity
56%
Dew Point
23°
Pressure
29.83 inHg
Visibility
10 mi
UV Index
4.9
Cloud Cover
68%
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 mostly cloudy at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1777 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
34°
4%
6 PM
36°
23%
7 PM
34°
23%
8 PM
32°
23%
9 PM
30°
23%
10 PM
29°
17%
11 PM
28°
17%
12 AM
28°
17%
1 AM
27°
5%
2 AM
27°
8%
3 AM
27°
8%
4 AM
26°
8%
5 AM
24°
8%
6 AM
24°
8%
7 AM
25°
8%
8 AM
27°
9%
9 AM
29°
11%
10 AM
30°
17%
11 AM
31°
17%
12 PM
32°
20%
1 PM
34°
20%
2 PM
34°
20%
3 PM
34°
18%
4 PM
34°
29%
7-Day Forecast
Today
36° 24°
Mostly Cloudy with a 23% chance of rain.
Thu
35° 24°
Mostly Cloudy with a 35% chance of rain.
Fri
34° 24°
Partly Cloudy.
Sat
33° 24°
Mostly Cloudy with a 90% chance of rain.
Sun
33° 23°
Drizzle, 71% chance.
Mon
34° 23°
Rain, 74% chance.
Tue
34° 23°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Cloudy 4% 7 mph WSW 56%
6 PM 36° Partly Cloudy 23% 7 mph SW 59%
7 PM 34° Mostly Cloudy 23% 6 mph SW 65%
8 PM 32° Overcast 23% 6 mph SW 72%
9 PM 30° Mostly Cloudy 23% 6 mph SSW 79%
10 PM 29° Overcast 17% 7 mph SSW 84%
11 PM 28° Overcast 17% 6 mph SW 87%
12 AM 28° Mostly Cloudy 17% 6 mph SW 89%
1 AM 27° Mostly Cloudy 5% 6 mph SW 92%
2 AM 27° Mostly Cloudy 8% 6 mph WSW 93%
3 AM 27° Mostly Cloudy 8% 6 mph WSW 94%
4 AM 26° Mostly Cloudy 8% 6 mph WSW 95%
5 AM 24° Partly Cloudy 8% 5 mph WSW 94%
6 AM 24° Partly Cloudy 8% 5 mph WSW 94%
7 AM 25° Partly Cloudy 8% 6 mph W 91%
8 AM 27° Mostly Cloudy 9% 7 mph W 83%
9 AM 29° Mostly Cloudy 11% 8 mph W 76%
10 AM 30° Overcast 17% 8 mph W 70%
11 AM 31° Mostly Cloudy 17% 8 mph W 67%
12 PM 32° Mostly Cloudy 20% 7 mph W 64%
1 PM 34° Mostly Cloudy 20% 7 mph W 62%
2 PM 34° Mostly Cloudy 20% 6 mph W 62%
3 PM 34° Mostly Cloudy 18% 6 mph WSW 61%
4 PM 34° Mostly Cloudy 29% 6 mph WSW 61%
15-Day Forecast
Today
7/29
Mostly Cloudy
23%
24°
36°
Thu
7/30
Mostly Cloudy
35%
24°
35°
Fri
7/31
Partly Cloudy
14%
24°
34°
Sat
8/1
Mostly Cloudy
90%
24°
33°
Sun
8/2
Drizzle
71%
23°
33°
Mon
8/3
Rain
74%
23°
34°
Tue
8/4
Drizzle
60%
23°
34°
Wed
8/5
Drizzle
60%
23°
35°
Thu
8/6
Drizzle
60%
24°
36°
Fri
8/7
Drizzle
60%
24°
35°
Sat
8/8
Mostly Cloudy
45%
23°
34°
Sun
8/9
Drizzle
60%
23°
35°
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, 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
SBCAPE1708 J/kg
MLCAPE510 J/kg
MUCAPE1708 J/kg
SBCIN0 J/kg
MLCIN-0 J/kg
Lifted Index-4.1
Kinematics
0–6 km Shear10 kt
0–1 km Shear1 kt
Eff. Shear14 kt
0–1 km SRH3
0–3 km SRH-10
Eff. SRH-10
Storm Motion304° @ 18 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index17.2
Thermo & Levels
PWAT1.65 in
0–3 km LR7.3 °C/km
700–500 LR5.6 °C/km
Total Totals41.0
LCL860 hPa
LFC1010 hPa
EL142 hPa
Freezing Lvl17,303 ft