Severe Thunderstorm Watch 8:00 PM Extreme Heat Warning — 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 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: 2:59 PM CDT  ·  Refresh
33°C
Feels like 40°
Partly Cloudy
▲ 36°  /  ▼ 22°
Wind
3 mph WNW
Humidity
58%
Dew Point
23°
Pressure
29.76 inHg
Visibility
10 mi
UV Index
8.1
Cloud Cover
47%
Sunrise
6:30 AM
Sunset
7:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Washington Parish is currently partly cloudy at 34°C. Precipitation is likely — peak probability 76% around 5 PM. Atmospheric instability is elevated (CAPE up to 2151 J/kg) — isolated convective development possible. Sunrise: 6:30AM · Sunset: 7:36PM.

Alerts

Severe Thunderstorm Watch
Expires 8:00 PM
Extreme Heat Warning
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
Expires 8:00 PM
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
Expires 8:00 PM
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
39%
3 PM
27°
68%
4 PM
27°
70%
5 PM
28°
76%
6 PM
26°
71%
7 PM
26°
67%
8 PM
26°
71%
9 PM
25°
64%
10 PM
25°
45%
11 PM
25°
24%
12 AM
24°
9%
1 AM
24°
9%
2 AM
24°
9%
3 AM
24°
9%
4 AM
24°
9%
5 AM
22°
5%
6 AM
22°
5%
7 AM
23°
5%
8 AM
26°
5%
9 AM
29°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
33°
3%
7-Day Forecast
Today
36° 22°
Mostly Cloudy with a 76% chance of rain.
Sat
38° 22°
Partly Cloudy.
Sun
38° 24°
Partly Cloudy with a 32% chance of rain.
Mon
35° 23°
Mostly Cloudy with a 63% chance of rain.
Tue
34° 23°
Drizzle, 42% chance.
Wed
36° 22°
Rain, 70% chance.
Thu
34° 24°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 39% 3 mph WNW 58%
3 PM 27° Overcast 68% 6 mph WNW 76%
4 PM 27° Overcast 70% 4 mph SSW 80%
5 PM 28° Overcast 76% 4 mph SSW 79%
6 PM 26° Heavy Rain 71% 7 mph N 79%
7 PM 26° Heavy Rain 67% 4 mph SE 81%
8 PM 26° Rain 71% 3 mph SE 82%
9 PM 25° Rain 64% 3 mph WSW 84%
10 PM 25° Mostly Cloudy 45% 2 mph SW 84%
11 PM 25° Mostly Cloudy 24% 2 mph W 85%
12 AM 24° Mostly Cloudy 9% 4 mph WSW 86%
1 AM 24° Mostly Cloudy 9% 4 mph WSW 87%
2 AM 24° Mostly Cloudy 9% 4 mph W 88%
3 AM 24° Overcast 9% 3 mph W 89%
4 AM 24° Overcast 9% 3 mph WSW 89%
5 AM 22° Mostly Cloudy 5% 3 mph WSW 90%
6 AM 22° Mostly Cloudy 5% 3 mph W 90%
7 AM 23° Mostly Cloudy 5% 3 mph W 84%
8 AM 26° Mostly Cloudy 5% 3 mph WNW 76%
9 AM 29° Mostly Cloudy 3% 3 mph WNW 69%
10 AM 31° Mostly Cloudy 3% 4 mph WNW 64%
11 AM 32° Mostly Cloudy 3% 4 mph NW 58%
12 PM 33° Partly Cloudy 3% 4 mph NW 52%
1 PM 33° Partly Cloudy 3% 4 mph NNW 50%
15-Day Forecast
Today
8/21
Mostly Cloudy
76%
22°
36°
Sat
8/22
Partly Cloudy
9%
22°
38°
Sun
8/23
Partly Cloudy
32%
24°
38°
Mon
8/24
Mostly Cloudy
63%
23°
35°
Tue
8/25
Drizzle
42%
23°
34°
Wed
8/26
Rain
70%
22°
36°
Thu
8/27
Drizzle
52%
24°
34°
Fri
8/28
Drizzle
53%
22°
37°
Sat
8/29
Drizzle
44%
23°
34°
Sun
8/30
Drizzle
44%
23°
37°
Mon
8/31
Drizzle
60%
23°
35°
Tue
9/1
Drizzle
60%
23°
36°
Wed
9/2
Drizzle
60%
23°
36°
Thu
9/3
Drizzle
60%
23°
36°
Fri
9/4
Drizzle
60%
22°
36°
44
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
44 AQI 8.0 µg/m³
O3
Ground-level ozone
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 44 Good 34 44
Sun 44 Good 35 44
Mon 54 Moderate 39 54
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 Fri Aug 21, 17:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3247 J/kg
MLCAPE2714 J/kg
MUCAPE3247 J/kg
SBCIN-110 J/kg
MLCIN-47 J/kg
Lifted Index-7.4
Kinematics
0–6 km Shear13 kt
0–1 km Shear2 kt
Eff. Shear9 kt
0–1 km SRH-0
0–3 km SRH29
Eff. SRH29
Storm Motion61° @ 14 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.5
Thermo & Levels
PWAT2.02 in
0–3 km LR7.7 °C/km
700–500 LR6.1 °C/km
Total Totals50.6
LCL865 hPa
LFC799 hPa
EL147 hPa
Freezing Lvl14,902 ft