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, 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, Southern Hancock, MS 7:00 PM

Washington Parish, Louisiana, United States

Last updated: 10:34 AM CDT  ·  Refresh
31°C
Feels like 37°
Clear
▲ 37°  /  ▼ 23°
Wind
4 mph N
Humidity
66%
Dew Point
25°
Pressure
29.71 inHg
Visibility
10 mi
UV Index
8.1
Cloud Cover
2%
Sunrise
6:40 AM
Sunset
7:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Washington Parish is currently clear at 31°C. Precipitation is likely — peak probability 62% around 11 PM. Atmospheric instability is elevated (CAPE up to 2522 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 7:15PM.

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, 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, Southern Hancock, MS
Expires 7:00 PM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
11%
11 AM
33°
37%
12 PM
34°
40%
1 PM
36°
41%
2 PM
36°
32%
3 PM
36°
29%
4 PM
35°
42%
5 PM
33°
40%
6 PM
31°
50%
7 PM
30°
47%
8 PM
29°
48%
9 PM
27°
44%
10 PM
26°
61%
11 PM
26°
61%
12 AM
25°
42%
1 AM
25°
28%
2 AM
24°
28%
3 AM
24°
28%
4 AM
24°
9%
5 AM
24°
9%
6 AM
23°
9%
7 AM
24°
25%
8 AM
26°
26%
9 AM
29°
26%
7-Day Forecast
Today
37° 23°
Mostly Clear with a 61% chance of rain.
Tue
37° 23°
Partly Cloudy with a 67% chance of rain.
Wed
33° 22°
Rain, 84% chance.
Thu
33° 22°
Rain, 80% chance.
Fri
34° 21°
Rain, 64% chance.
Sat
34° 21°
Rain, 82% chance.
Sun
35° 22°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Clear 11% 4 mph N 66%
11 AM 33° Clear 37% 4 mph N 59%
12 PM 34° Mostly Clear 40% 3 mph NNE 54%
1 PM 36° Mostly Clear 41% 4 mph NE 54%
2 PM 36° Mostly Clear 32% 4 mph ENE 54%
3 PM 36° Partly Cloudy 29% 3 mph ENE 53%
4 PM 35° Partly Cloudy 42% 3 mph E 55%
5 PM 33° Partly Cloudy 40% 3 mph S 61%
6 PM 31° Mostly Clear 50% 6 mph SSW 70%
7 PM 30° Mostly Clear 47% 5 mph SSW 78%
8 PM 29° Mostly Clear 48% 4 mph S 81%
9 PM 27° Clear 44% 3 mph S 84%
10 PM 26° Partly Cloudy 61% 4 mph ESE 86%
11 PM 26° Partly Cloudy 61% 3 mph ESE 88%
12 AM 25° Partly Cloudy 42% 2 mph SE 90%
1 AM 25° Mostly Cloudy 28% 2 mph ESE 92%
2 AM 24° Mostly Cloudy 28% 2 mph ESE 93%
3 AM 24° Mostly Cloudy 28% 2 mph E 93%
4 AM 24° Mostly Cloudy 9% 2 mph E 94%
5 AM 24° Mostly Cloudy 9% 3 mph E 94%
6 AM 23° Mostly Cloudy 9% 3 mph E 94%
7 AM 24° Mostly Cloudy 25% 3 mph E 90%
8 AM 26° Partly Cloudy 26% 4 mph E 83%
9 AM 29° Partly Cloudy 26% 4 mph E 75%
15-Day Forecast
Today
9/7
Mostly Clear
61%
23°
37°
Tue
9/8
Partly Cloudy
67%
23°
37°
Wed
9/9
Rain
84%
22°
33°
Thu
9/10
Rain
80%
22°
33°
Fri
9/11
Rain
64%
21°
34°
Sat
9/12
Rain
82%
21°
34°
Sun
9/13
Rain
71%
22°
35°
Mon
9/14
Rain
69%
22°
35°
Tue
9/15
Rain
68%
21°
35°
Wed
9/16
Drizzle
51%
21°
34°
Thu
9/17
Drizzle
60%
21°
34°
Fri
9/18
Drizzle
60%
22°
34°
Sat
9/19
Drizzle
60%
21°
33°
Sun
9/20
Drizzle
60%
21°
33°
Mon
9/21
Drizzle
60%
20°
33°
46
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
46 AQI 8.3 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 46 Good 31 46
Wed 41 Good 32 41
Thu 26 Good 26 19
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 Sep 7, 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
SBCAPE3335 J/kg
MLCAPE2015 J/kg
MUCAPE3335 J/kg
SBCIN-29 J/kg
MLCIN-59 J/kg
Lifted Index-7.5
Kinematics
0–6 km Shear10 kt
0–1 km Shear6 kt
Eff. Shear21 kt
0–1 km SRH21
0–3 km SRH21
Eff. SRH21
Storm Motion91° @ 13 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.8
K-Index33.2
Thermo & Levels
PWAT2.05 in
0–3 km LR6.7 °C/km
700–500 LR6.0 °C/km
Total Totals48.7
LCL916 hPa
LFC862 hPa
EL137 hPa
Freezing Lvl15,397 ft