Excessive 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 8:00 PM

Washington Parish, Louisiana, United States

Last updated: 5:35 PM CDT  ·  Refresh
34°C
Feels like 42°
Partly Cloudy
▲ 35°  /  ▼ 23°
Wind
8 mph N
Humidity
60%
Dew Point
24°
Pressure
29.54 inHg
Visibility
10 mi
UV Index
5.7
Cloud Cover
35%
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 partly cloudy at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2145 J/kg) — isolated convective development possible. Sunrise: 6:11AM · Sunset: 8:02PM.

Alerts

Excessive 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
Expires 8:00 PM
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
26%
6 PM
34°
25%
7 PM
33°
25%
8 PM
32°
23%
9 PM
29°
23%
10 PM
27°
23%
11 PM
27°
16%
12 AM
26°
15%
1 AM
26°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
5%
5 AM
23°
5%
6 AM
23°
5%
7 AM
23°
16%
8 AM
25°
16%
9 AM
27°
29%
10 AM
28°
33%
11 AM
29°
47%
12 PM
32°
47%
1 PM
33°
48%
2 PM
33°
44%
3 PM
32°
41%
4 PM
32°
41%
7-Day Forecast
Today
35° 23°
Partly Cloudy with a 26% chance of rain.
Wed
36° 23°
Partly Cloudy with a 47% chance of rain.
Thu
34° 23°
Partly Cloudy with a 70% chance of rain.
Fri
36° 23°
Mostly Cloudy with a 68% chance of rain.
Sat
36° 23°
Drizzle, 53% chance.
Sun
37° 23°
Partly Cloudy with a 38% chance of rain.
Mon
38° 23°
Clear with a 38% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 34° Partly Cloudy 26% 8 mph N 60%
6 PM 34° Partly Cloudy 25% 6 mph NNE 63%
7 PM 33° Mostly Clear 25% 6 mph NNE 66%
8 PM 32° Mostly Clear 23% 5 mph NE 70%
9 PM 29° Mostly Clear 23% 6 mph NE 73%
10 PM 27° Clear 23% 5 mph NE 75%
11 PM 27° Clear 16% 5 mph NE 77%
12 AM 26° Clear 15% 5 mph NE 80%
1 AM 26° Clear 3% 6 mph NNE 81%
2 AM 25° Mostly Clear 3% 6 mph NNE 83%
3 AM 24° Mostly Clear 3% 6 mph NNE 84%
4 AM 24° Mostly Clear 5% 7 mph NNE 85%
5 AM 23° Partly Cloudy 5% 8 mph NNE 85%
6 AM 23° Partly Cloudy 5% 9 mph NNE 86%
7 AM 23° Partly Cloudy 16% 10 mph NNE 84%
8 AM 25° Partly Cloudy 16% 10 mph NNE 80%
9 AM 27° Partly Cloudy 29% 11 mph NNE 75%
10 AM 28° Partly Cloudy 33% 12 mph NNE 70%
11 AM 29° Partly Cloudy 47% 12 mph NE 64%
12 PM 32° Partly Cloudy 47% 13 mph NE 60%
1 PM 33° Partly Cloudy 48% 13 mph NE 61%
2 PM 33° Partly Cloudy 44% 13 mph NE 64%
3 PM 32° Partly Cloudy 41% 13 mph NE 68%
4 PM 32° Partly Cloudy 41% 12 mph NE 71%
15-Day Forecast
Today
7/21
Partly Cloudy
26%
23°
35°
Wed
7/22
Partly Cloudy
47%
23°
36°
Thu
7/23
Partly Cloudy
70%
23°
34°
Fri
7/24
Mostly Cloudy
68%
23°
36°
Sat
7/25
Drizzle
53%
23°
36°
Sun
7/26
Partly Cloudy
38%
23°
37°
Mon
7/27
Clear
38%
23°
38°
Tue
7/28
Mostly Clear
20%
24°
38°
Wed
7/29
Drizzle
68%
24°
38°
Thu
7/30
Drizzle
60%
23°
37°
Fri
7/31
Drizzle
60%
23°
36°
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°
58
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
58 AQI 12.7 µg/m³
O3
Ground-level ozone
25 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 58 Moderate 25 58
Thu 33 Good 29 33
Fri 41 Good 32 41
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, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2871 J/kg
MLCAPE2380 J/kg
MUCAPE2871 J/kg
SBCIN-30 J/kg
MLCIN0 J/kg
Lifted Index-4.6
Kinematics
0–6 km Shear17 kt
0–1 km Shear10 kt
Eff. Shear30 kt
0–1 km SRH-22
0–3 km SRH-47
Eff. SRH-47
Storm Motion2° @ 30 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.7
Thermo & Levels
PWAT2.24 in
0–3 km LR7.8 °C/km
700–500 LR4.7 °C/km
Total Totals45.2
LCL866 hPa
LFC840 hPa
EL126 hPa
Freezing Lvl17,723 ft