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 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: 2:36 PM CDT  ·  Refresh
35°C
Feels like 42°
Mostly Clear
▲ 37°  /  ▼ 22°
Wind
6 mph WSW
Humidity
53%
Dew Point
23°
Pressure
29.79 inHg
Visibility
10 mi
UV Index
9.0
Cloud Cover
30%
Sunrise
6:25 AM
Sunset
7:44 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 2789 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 7:44PM.

Alerts

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
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
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
13%
3 PM
37°
12%
4 PM
37°
9%
5 PM
36°
8%
6 PM
35°
3%
7 PM
34°
3%
8 PM
32°
3%
9 PM
30°
3%
10 PM
29°
3%
11 PM
28°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
30°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
34°
3%
7-Day Forecast
Today
37° 22°
Mostly Clear.
Fri
38° 22°
Mostly Clear.
Sat
39° 23°
Partly Cloudy with a 49% chance of rain.
Sun
39° 22°
Mostly Clear with a 71% chance of rain.
Mon
41° 22°
Drizzle, 60% chance.
Tue
42° 21°
Clear with a 60% chance of rain.
Wed
41° 22°
Thunderstorm, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 35° Mostly Clear 13% 6 mph WSW 53%
3 PM 37° Mostly Clear 12% 5 mph SW 51%
4 PM 37° Mostly Clear 9% 6 mph SW 51%
5 PM 36° Mostly Clear 8% 7 mph SSW 53%
6 PM 35° Mostly Clear 3% 7 mph SSW 56%
7 PM 34° Clear 3% 7 mph SSW 59%
8 PM 32° Clear 3% 6 mph S 63%
9 PM 30° Clear 3% 6 mph SSW 67%
10 PM 29° Clear 3% 6 mph SSW 72%
11 PM 28° Mostly Clear 3% 6 mph SW 77%
12 AM 27° Mostly Clear 3% 6 mph SW 82%
1 AM 26° Mostly Clear 3% 5 mph SW 85%
2 AM 25° Mostly Clear 3% 5 mph WSW 88%
3 AM 24° Mostly Clear 3% 4 mph WSW 90%
4 AM 24° Mostly Clear 3% 4 mph WSW 92%
5 AM 22° Mostly Clear 3% 3 mph WSW 93%
6 AM 22° Mostly Clear 3% 3 mph WSW 94%
7 AM 23° Mostly Clear 3% 3 mph W 89%
8 AM 25° Mostly Clear 3% 4 mph W 78%
9 AM 30° Clear 3% 5 mph W 70%
10 AM 31° Clear 3% 5 mph W 64%
11 AM 32° Clear 3% 5 mph W 59%
12 PM 33° Clear 3% 4 mph W 53%
1 PM 34° Clear 3% 4 mph WSW 50%
15-Day Forecast
Today
8/13
Mostly Clear
13%
22°
37°
Fri
8/14
Mostly Clear
3%
22°
38°
Sat
8/15
Partly Cloudy
49%
23°
39°
Sun
8/16
Mostly Clear
71%
22°
39°
Mon
8/17
Drizzle
60%
22°
41°
Tue
8/18
Clear
60%
21°
42°
Wed
8/19
Thunderstorm
60%
22°
41°
Thu
8/20
Clear
60%
22°
41°
Fri
8/21
Clear
60%
22°
41°
Sat
8/22
Drizzle
60%
21°
39°
Sun
8/23
Drizzle
60%
21°
38°
Mon
8/24
Rain
90%
23°
39°
Tue
8/25
Drizzle
60%
23°
38°
Wed
8/26
Drizzle
60%
23°
39°
Thu
8/27
Drizzle
60%
23°
38°
28
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
28 AQI 5.1 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 28 Good 28 28
Sat 55 Moderate 27 55
Sun 52 Moderate 26 52
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 Thu Aug 13, 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
SBCAPE3597 J/kg
MLCAPE3162 J/kg
MUCAPE3597 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.7
Kinematics
0–6 km Shear5 kt
0–1 km Shear1 kt
Eff. Shear5 kt
0–1 km SRH-4
0–3 km SRH-3
Eff. SRH-3
Storm Motion268° @ 20 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.5
Thermo & Levels
PWAT2.12 in
0–3 km LR8.3 °C/km
700–500 LR5.1 °C/km
Total Totals47.7
LCL854 hPa
LFC1009 hPa
EL140 hPa
Freezing Lvl16,476 ft