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: 9:47 AM CDT  ·  Refresh
85°F
Feels like 93°
Clear
▲ 98°  /  ▼ 74°
Wind
3 mph NNW
Humidity
72%
Dew Point
76°
Pressure
29.71 inHg
Visibility
10 mi
UV Index
7.2
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 85°F. Precipitation is likely — peak probability 50% around 11 PM. Atmospheric instability is elevated (CAPE up to 2541 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
85°
16%
10 AM
89°
25%
11 AM
92°
35%
12 PM
94°
36%
1 PM
96°
36%
2 PM
96°
26%
3 PM
96°
35%
4 PM
93°
46%
5 PM
91°
35%
6 PM
88°
43%
7 PM
86°
48%
8 PM
85°
48%
9 PM
82°
49%
10 PM
80°
45%
11 PM
79°
50%
12 AM
78°
42%
1 AM
77°
28%
2 AM
77°
28%
3 AM
77°
25%
4 AM
77°
18%
5 AM
74°
18%
6 AM
74°
18%
7 AM
76°
34%
8 AM
78°
35%
7-Day Forecast
Today
98° 74°
Mostly Clear with a 49% chance of rain.
Tue
98° 74°
Partly Cloudy with a 67% chance of rain.
Wed
93° 71°
Partly Cloudy with a 77% chance of rain.
Thu
90° 71°
Rain, 90% chance.
Fri
93° 70°
Drizzle, 51% chance.
Sat
93° 70°
Rain, 82% chance.
Sun
95° 71°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 85° Clear 16% 3 mph NNW 72%
10 AM 89° Clear 25% 4 mph N 64%
11 AM 92° Mostly Clear 35% 4 mph N 58%
12 PM 94° Mostly Clear 36% 4 mph NNE 53%
1 PM 96° Mostly Clear 36% 4 mph NE 54%
2 PM 96° Partly Cloudy 26% 4 mph NE 53%
3 PM 96° Partly Cloudy 35% 3 mph NE 52%
4 PM 93° Partly Cloudy 46% 5 mph SSW 56%
5 PM 91° Partly Cloudy 35% 4 mph SSW 61%
6 PM 88° Mostly Clear 43% 4 mph SSW 69%
7 PM 86° Partly Cloudy 48% 3 mph S 74%
8 PM 85° Partly Cloudy 48% 3 mph SSE 76%
9 PM 82° Partly Cloudy 49% 4 mph SSE 78%
10 PM 80° Partly Cloudy 45% 3 mph SSE 81%
11 PM 79° Partly Cloudy 50% 3 mph SE 84%
12 AM 78° Mostly Clear 42% 3 mph SE 88%
1 AM 77° Mostly Clear 28% 3 mph SE 89%
2 AM 77° Partly Cloudy 28% 3 mph SE 90%
3 AM 77° Partly Cloudy 25% 3 mph SE 91%
4 AM 77° Partly Cloudy 18% 3 mph ESE 92%
5 AM 74° Partly Cloudy 18% 3 mph ESE 92%
6 AM 74° Mostly Clear 18% 3 mph ESE 93%
7 AM 76° Mostly Clear 34% 4 mph ESE 88%
8 AM 78° Mostly Clear 35% 4 mph ESE 81%
15-Day Forecast
Today
9/7
Mostly Clear
49%
74°
98°
Tue
9/8
Partly Cloudy
67%
74°
98°
Wed
9/9
Partly Cloudy
77%
71°
93°
Thu
9/10
Rain
90%
71°
90°
Fri
9/11
Drizzle
51%
70°
93°
Sat
9/12
Rain
82%
70°
93°
Sun
9/13
Rain
82%
71°
95°
Mon
9/14
Drizzle
44%
71°
95°
Tue
9/15
Rain
68%
70°
95°
Wed
9/16
Drizzle
51%
69°
94°
Thu
9/17
Drizzle
60%
70°
93°
Fri
9/18
Drizzle
60%
70°
93°
Sat
9/19
Drizzle
60%
70°
91°
Sun
9/20
Drizzle
60%
69°
91°
Mon
9/21
Drizzle
60%
68°
91°
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, 13:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2702 J/kg
MLCAPE1614 J/kg
MUCAPE2702 J/kg
SBCIN-61 J/kg
MLCIN-80 J/kg
Lifted Index-6.6
Kinematics
0–6 km Shear11 kt
0–1 km Shear6 kt
Eff. Shear22 kt
0–1 km SRH28
0–3 km SRH16
Eff. SRH16
Storm Motion85° @ 14 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.5
K-Index32.8
Thermo & Levels
PWAT2.04 in
0–3 km LR6.1 °C/km
700–500 LR6.0 °C/km
Total Totals49.1
LCL934 hPa
LFC852 hPa
EL144 hPa
Freezing Lvl15,531 ft