Heat Advisory — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Lower St. Bernard, LA, Northern Tangipahoa, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS 8:00 PM

Assumption Parish, Louisiana, United States

Last updated: 2:47 PM CDT  ·  Refresh
35°C
Feels like 42°
Mostly Clear
▲ 36°  /  ▼ 26°
Wind
4 mph SSE
Humidity
54%
Dew Point
24°
Pressure
30.05 inHg
Visibility
9 mi
UV Index
8.9
Cloud Cover
29%
Sunrise
6:33 AM
Sunset
7:43 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Assumption Parish is currently mostly clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2735 J/kg) — isolated convective development possible. Sunrise: 6:33AM · Sunset: 7:43PM.

48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
5%
3 PM
36°
5%
4 PM
34°
5%
5 PM
34°
8%
6 PM
32°
8%
7 PM
31°
8%
8 PM
31°
8%
9 PM
29°
5%
10 PM
29°
5%
11 PM
28°
5%
12 AM
27°
3%
1 AM
27°
3%
2 AM
27°
5%
3 AM
27°
5%
4 AM
27°
5%
5 AM
26°
5%
6 AM
26°
9%
7 AM
27°
9%
8 AM
28°
10%
9 AM
29°
10%
10 AM
30°
10%
11 AM
31°
10%
12 PM
32°
10%
1 PM
32°
10%
7-Day Forecast
Today
36° 26°
Partly Cloudy.
Tue
36° 26°
Mostly Cloudy.
Wed
36° 25°
Mostly Cloudy.
Thu
34° 24°
Overcast with a 47% chance of rain.
Fri
36° 25°
Thunderstorm, 60% chance.
Sat
36° 23°
Drizzle, 60% chance.
Sun
36° 22°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 35° Mostly Clear 5% 4 mph SSE 54%
3 PM 36° Partly Cloudy 5% 6 mph S 56%
4 PM 34° Partly Cloudy 5% 5 mph S 58%
5 PM 34° Mostly Cloudy 8% 9 mph SW 62%
6 PM 32° Mostly Cloudy 8% 12 mph W 68%
7 PM 31° Mostly Cloudy 8% 10 mph WSW 73%
8 PM 31° Partly Cloudy 8% 7 mph WSW 77%
9 PM 29° Partly Cloudy 5% 6 mph SW 80%
10 PM 29° Mostly Clear 5% 6 mph SW 82%
11 PM 28° Mostly Clear 5% 5 mph SW 84%
12 AM 27° Partly Cloudy 3% 5 mph SW 85%
1 AM 27° Mostly Cloudy 3% 5 mph SW 85%
2 AM 27° Mostly Cloudy 5% 4 mph SW 86%
3 AM 27° Mostly Cloudy 5% 4 mph WSW 86%
4 AM 27° Mostly Cloudy 5% 3 mph WSW 88%
5 AM 26° Mostly Cloudy 5% 3 mph WSW 90%
6 AM 26° Mostly Cloudy 9% 3 mph W 92%
7 AM 27° Mostly Cloudy 9% 4 mph W 87%
8 AM 28° Partly Cloudy 10% 5 mph W 80%
9 AM 29° Partly Cloudy 10% 6 mph W 75%
10 AM 30° Partly Cloudy 10% 6 mph W 71%
11 AM 31° Partly Cloudy 10% 6 mph W 67%
12 PM 32° Partly Cloudy 10% 6 mph W 62%
1 PM 32° Mostly Cloudy 10% 6 mph WSW 60%
15-Day Forecast
Today
8/17
Partly Cloudy
8%
26°
36°
Tue
8/18
Mostly Cloudy
11%
26°
36°
Wed
8/19
Mostly Cloudy
15%
25°
36°
Thu
8/20
Overcast
47%
24°
34°
Fri
8/21
Thunderstorm
60%
25°
36°
Sat
8/22
Drizzle
60%
23°
36°
Sun
8/23
Drizzle
60%
22°
36°
Mon
8/24
Drizzle
60%
23°
37°
Tue
8/25
Drizzle
60%
24°
36°
Wed
8/26
Drizzle
60%
23°
36°
Thu
8/27
Drizzle
60%
24°
36°
Fri
8/28
Drizzle
60%
24°
36°
Sat
8/29
Drizzle
60%
23°
36°
Sun
8/30
Drizzle
60%
23°
36°
Mon
8/31
Drizzle
60%
23°
36°
48
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
48 AQI 8.7 µg/m³
O3
Ground-level ozone
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 48 Good 28 48
Wed 46 Good 28 46
Thu 43 Good 19 43
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 Mon Aug 17, 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
SBCAPE3614 J/kg
MLCAPE2750 J/kg
MUCAPE3614 J/kg
SBCIN0 J/kg
MLCIN-7 J/kg
Lifted Index-7.1
Kinematics
0–6 km Shear7 kt
0–1 km Shear5 kt
Eff. Shear12 kt
0–1 km SRH-14
0–3 km SRH-2
Eff. SRH-2
Storm Motion252° @ 12 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.2
Thermo & Levels
PWAT2.04 in
0–3 km LR8.0 °C/km
700–500 LR5.4 °C/km
Total Totals46.8
LCL870 hPa
LFC1017 hPa
EL124 hPa
Freezing Lvl16,519 ft