Dense Fog 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, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 10:00 AM

Washington Parish, Louisiana, United States

Last updated: 9:44 PM CDT  ·  Refresh
23°C
Feels like 24°
Clear
▲ 32°  /  ▼ 16°
Wind
4 mph SSE
Humidity
69%
Dew Point
16°
Pressure
29.84 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
7:00 AM
Sunset
6:30 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Washington Parish is currently clear at 23°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:00AM · Sunset: 6:30PM.

Alerts

Dense Fog 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, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 10:00 AM
54 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
3%
10 PM
21°
3%
11 PM
20°
3%
12 AM
19°
3%
1 AM
20°
3%
2 AM
19°
5%
3 AM
18°
6%
4 AM
18°
6%
5 AM
16°
6%
6 AM
16°
6%
7 AM
16°
6%
8 AM
18°
6%
9 AM
23°
3%
10 AM
26°
3%
11 AM
28°
3%
12 PM
30°
3%
1 PM
34°
3%
2 PM
34°
3%
3 PM
34°
3%
4 PM
33°
3%
5 PM
28°
3%
6 PM
27°
3%
7 PM
26°
3%
8 PM
24°
3%
7-Day Forecast
Tonight
32° 16°
Clear.
Wed
34° 16°
Fog.
Thu
34° 16°
Clear.
Fri
34° 15°
Mostly Cloudy.
Sat
27° 11°
Clear.
Sun
29° 8°
Clear.
Mon
29° 16°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Clear 3% 4 mph SSE 68%
10 PM 21° Clear 3% 4 mph SSE 76%
11 PM 20° Clear 3% 4 mph S 81%
12 AM 19° Clear 3% 4 mph S 85%
1 AM 20° Clear 3% 3 mph SSW 88%
2 AM 19° Mostly Clear 5% 3 mph SW 91%
3 AM 18° Mostly Clear 6% 2 mph SW 94%
4 AM 18° Haze 6% 2 mph WSW 95%
5 AM 16° Fog 6% 1 mph W 96%
6 AM 16° Fog 6% 1 mph W 96%
7 AM 16° Fog 6% 1 mph NNW 91%
8 AM 18° Mostly Cloudy 6% 1 mph N 84%
9 AM 23° Fog 3% 1 mph NW 74%
10 AM 26° Partly Cloudy 3% 2 mph W 62%
11 AM 28° Mostly Clear 3% 2 mph SSE 51%
12 PM 30° Clear 3% 2 mph SSE 41%
1 PM 34° Clear 3% 3 mph SSE 36%
2 PM 34° Clear 3% 3 mph SSE 34%
3 PM 34° Clear 3% 4 mph SSE 32%
4 PM 33° Clear 3% 4 mph SSE 36%
5 PM 28° Clear 3% 4 mph S 43%
6 PM 27° Clear 3% 4 mph S 50%
7 PM 26° Clear 3% 4 mph S 54%
8 PM 24° Clear 3% 4 mph SSE 58%
15-Day Forecast
Today
10/13
Clear
3%
16°
32°
Wed
10/14
Fog
6%
16°
34°
Thu
10/15
Clear
3%
16°
34°
Fri
10/16
Mostly Cloudy
3%
15°
34°
Sat
10/17
Clear
3%
11°
27°
Sun
10/18
Clear
8%
8°
29°
Mon
10/19
Rain
28%
16°
29°
Tue
10/20
Clear
17%
18°
31°
Wed
10/21
Drizzle
44%
14°
33°
Thu
10/22
Drizzle
44%
16°
33°
Fri
10/23
Drizzle
51%
14°
33°
Sat
10/24
Drizzle
60%
17°
32°
Sun
10/25
Clear
25%
15°
31°
Mon
10/26
Drizzle
60%
14°
30°
Tue
10/27
Clear
25%
14°
29°
54
Moderate
U.S. Air Quality Index · Dominant: O3
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
51 AQI 9.3 µg/m³
O3
Ground-level ozone
Dominant
54 AQI 57 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 54 51
Thu 52 Moderate 48 52
Fri 53 Moderate 47 53
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Oct 13, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE10 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index6.4
Kinematics
0–6 km Shear15 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH14
0–3 km SRH42
Eff. SRH—
Storm Motion88° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-4.2
Thermo & Levels
PWAT0.86 in
0–3 km LR3.4 °C/km
700–500 LR6.7 °C/km
Total Totals26.0
LCL914 hPa
LFC—
EL—
Freezing Lvl16,834 ft