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 7:00 PM

Washington Parish, Louisiana, United States

Last updated: 10:55 AM CDT  ·  Refresh
31°C
Feels like 36°
Mostly Clear
▲ 35°  /  ▼ 23°
Wind
5 mph NNE
Humidity
63%
Dew Point
24°
Pressure
29.64 inHg
Visibility
10 mi
UV Index
9.0
Cloud Cover
20%
Sunrise
6:11 AM
Sunset
8:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Washington Parish is currently mostly clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1711 J/kg) — isolated convective development possible. Sunrise: 6:11AM · Sunset: 8:02PM.

59 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
8%
11 AM
32°
25%
12 PM
33°
19%
1 PM
34°
12%
2 PM
34°
12%
3 PM
35°
12%
4 PM
34°
9%
5 PM
34°
4%
6 PM
33°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
28°
3%
10 PM
27°
3%
11 PM
26°
3%
12 AM
25°
3%
1 AM
24°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
24°
11%
8 AM
25°
16%
9 AM
28°
16%
7-Day Forecast
Today
35° 23°
Mostly Clear.
Wed
36° 23°
Rain, 63% chance.
Thu
35° 23°
Partly Cloudy with a 79% chance of rain.
Fri
36° 23°
Mostly Clear with a 66% chance of rain.
Sat
36° 22°
Rain, 69% chance.
Sun
36° 22°
Drizzle, 51% chance.
Mon
38° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 8% 5 mph NNE 63%
11 AM 32° Partly Cloudy 25% 6 mph NNE 60%
12 PM 33° Partly Cloudy 19% 7 mph NNE 56%
1 PM 34° Partly Cloudy 12% 8 mph NNE 55%
2 PM 34° Partly Cloudy 12% 8 mph N 54%
3 PM 35° Mostly Clear 12% 9 mph N 54%
4 PM 34° Mostly Clear 9% 8 mph NNE 55%
5 PM 34° Mostly Clear 4% 8 mph NNE 57%
6 PM 33° Mostly Clear 3% 7 mph NNE 61%
7 PM 32° Mostly Clear 3% 5 mph NNE 65%
8 PM 31° Mostly Clear 3% 4 mph NE 69%
9 PM 28° Mostly Clear 3% 5 mph NE 74%
10 PM 27° Mostly Clear 3% 5 mph NE 76%
11 PM 26° Mostly Clear 3% 5 mph NE 79%
12 AM 25° Mostly Clear 3% 5 mph NNE 82%
1 AM 24° Mostly Clear 3% 5 mph NNE 84%
2 AM 24° Partly Cloudy 3% 6 mph NNE 85%
3 AM 24° Partly Cloudy 3% 6 mph NNE 86%
4 AM 24° Partly Cloudy 3% 7 mph NNE 86%
5 AM 23° Partly Cloudy 3% 8 mph NNE 86%
6 AM 23° Partly Cloudy 3% 8 mph NNE 86%
7 AM 24° Partly Cloudy 11% 9 mph NNE 83%
8 AM 25° Partly Cloudy 16% 9 mph NNE 79%
9 AM 28° Partly Cloudy 16% 10 mph NE 75%
15-Day Forecast
Today
7/21
Mostly Clear
12%
23°
35°
Wed
7/22
Rain
63%
23°
36°
Thu
7/23
Partly Cloudy
79%
23°
35°
Fri
7/24
Mostly Clear
66%
23°
36°
Sat
7/25
Rain
69%
22°
36°
Sun
7/26
Drizzle
51%
22°
36°
Mon
7/27
Clear
17%
22°
38°
Tue
7/28
Clear
8%
22°
39°
Wed
7/29
Drizzle
68%
23°
39°
Thu
7/30
Drizzle
44%
23°
38°
Fri
7/31
Drizzle
60%
24°
38°
Sat
8/1
Drizzle
60%
23°
37°
Sun
8/2
Drizzle
60%
23°
37°
Mon
8/3
Drizzle
60%
23°
36°
Tue
8/4
Drizzle
60%
23°
36°
59
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
59 AQI 13.2 µg/m³
O3
Ground-level ozone
27 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 59 Moderate 27 59
Thu 32 Good 29 32
Fri 48 Good 26 48
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 Tue Jul 21, 14:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2053 J/kg
MLCAPE995 J/kg
MUCAPE2053 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.5
Kinematics
0–6 km Shear18 kt
0–1 km Shear12 kt
Eff. Shear24 kt
0–1 km SRH-24
0–3 km SRH-46
Eff. SRH-46
Storm Motion350° @ 28 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.8
Thermo & Levels
PWAT2.15 in
0–3 km LR6.7 °C/km
700–500 LR4.9 °C/km
Total Totals41.6
LCL900 hPa
LFC1004 hPa
EL151 hPa
Freezing Lvl17,418 ft