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, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 8:00 PM

Washington Parish, Louisiana, United States

Last updated: 5:21 PM CDT  ·  Refresh
35°C
Feels like 40°
Mostly Clear
▲ 36°  /  ▼ 23°
Wind
6 mph SW
Humidity
49%
Dew Point
22°
Pressure
29.70 inHg
Visibility
10 mi
UV Index
6.0
Cloud Cover
12%
Sunrise
6:24 AM
Sunset
7:45 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Washington Parish is currently mostly clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2881 J/kg) — isolated convective development possible. Sunrise: 6:24AM · Sunset: 7:45PM.

29 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
7%
6 PM
35°
19%
7 PM
33°
19%
8 PM
32°
19%
9 PM
29°
19%
10 PM
29°
19%
11 PM
28°
11%
12 AM
27°
12%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
5%
5 AM
23°
5%
6 AM
23°
5%
7 AM
24°
5%
8 AM
26°
7%
9 AM
29°
7%
10 AM
30°
13%
11 AM
31°
13%
12 PM
34°
16%
1 PM
35°
17%
2 PM
35°
17%
3 PM
35°
17%
4 PM
35°
15%
7-Day Forecast
Today
36° 23°
Mostly Clear.
Thu
37° 23°
Partly Cloudy.
Fri
38° 22°
Mostly Clear.
Sat
39° 22°
Mostly Clear with a 48% chance of rain.
Sun
40° 23°
Drizzle, 60% chance.
Mon
40° 23°
Partly Cloudy with a 28% chance of rain.
Tue
40° 23°
Mostly Cloudy with a 24% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 35° Mostly Clear 7% 6 mph SW 49%
6 PM 35° Mostly Clear 19% 7 mph SSW 54%
7 PM 33° Clear 19% 8 mph SSW 60%
8 PM 32° Clear 19% 7 mph SSW 67%
9 PM 29° Mostly Clear 19% 6 mph SSW 73%
10 PM 29° Mostly Clear 19% 6 mph SSW 77%
11 PM 28° Clear 11% 6 mph SSW 79%
12 AM 27° Clear 12% 6 mph SSW 82%
1 AM 27° Mostly Clear 3% 6 mph SW 85%
2 AM 26° Partly Cloudy 3% 6 mph SW 87%
3 AM 26° Partly Cloudy 3% 5 mph SW 90%
4 AM 25° Partly Cloudy 5% 5 mph SW 92%
5 AM 23° Partly Cloudy 5% 5 mph SW 93%
6 AM 23° Partly Cloudy 5% 4 mph SW 93%
7 AM 24° Partly Cloudy 5% 4 mph WSW 92%
8 AM 26° Partly Cloudy 7% 6 mph WSW 85%
9 AM 29° Partly Cloudy 7% 7 mph WSW 78%
10 AM 30° Partly Cloudy 13% 7 mph WSW 70%
11 AM 31° Partly Cloudy 13% 6 mph WSW 63%
12 PM 34° Partly Cloudy 16% 6 mph WSW 57%
1 PM 35° Partly Cloudy 17% 6 mph WSW 53%
2 PM 35° Partly Cloudy 17% 6 mph WSW 52%
3 PM 35° Partly Cloudy 17% 6 mph SW 51%
4 PM 35° Partly Cloudy 15% 7 mph SW 51%
15-Day Forecast
Today
8/12
Mostly Clear
19%
23°
36°
Thu
8/13
Partly Cloudy
13%
23°
37°
Fri
8/14
Mostly Clear
3%
22°
38°
Sat
8/15
Mostly Clear
48%
22°
39°
Sun
8/16
Drizzle
60%
23°
40°
Mon
8/17
Partly Cloudy
28%
23°
40°
Tue
8/18
Mostly Cloudy
24%
23°
40°
Wed
8/19
Partly Cloudy
60%
23°
41°
Thu
8/20
Drizzle
60%
22°
41°
Fri
8/21
Drizzle
54%
23°
41°
Sat
8/22
Drizzle
60%
23°
41°
Sun
8/23
Drizzle
60%
24°
39°
Mon
8/24
Drizzle
60%
23°
38°
Tue
8/25
Drizzle
60%
23°
38°
Wed
8/26
Drizzle
60%
23°
38°
29
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
24 AQI 4.4 µg/m³
O3
Ground-level ozone
Dominant
29 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 29 Good 29 24
Fri 31 Good 29 31
Sat 58 Moderate 25 58
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 Aug 12, 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
SBCAPE2996 J/kg
MLCAPE2750 J/kg
MUCAPE2996 J/kg
SBCIN0 J/kg
MLCIN-0 J/kg
Lifted Index-5.5
Kinematics
0–6 km Shear5 kt
0–1 km Shear2 kt
Eff. Shear3 kt
0–1 km SRH8
0–3 km SRH8
Eff. SRH8
Storm Motion323° @ 16 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.5
Thermo & Levels
PWAT1.97 in
0–3 km LR8.2 °C/km
700–500 LR5.3 °C/km
Total Totals48.1
LCL841 hPa
LFC1006 hPa
EL146 hPa
Freezing Lvl16,719 ft