Excessive Heat Watch 8:00 PM Extreme 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, 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: 10:53 PM CDT  ·  Refresh
26°C
Feels like 30°
Partly Cloudy
▲ 36°  /  ▼ 23°
Wind
3 mph SSW
Humidity
81%
Dew Point
22°
Pressure
29.84 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
42%
Sunrise
6:27 AM
Sunset
7:41 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Washington Parish is currently partly cloudy at 26°C. Precipitation is likely — peak probability 55% around 3 PM. Atmospheric instability is elevated (CAPE up to 2422 J/kg) — isolated convective development possible. Sunrise: 6:27AM · Sunset: 7:41PM.

Alerts

Excessive Heat Watch
Expires 8:00 PM
Extreme 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, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 8:00 PM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
8%
11 PM
26°
19%
12 AM
26°
16%
1 AM
25°
9%
2 AM
25°
9%
3 AM
24°
9%
4 AM
24°
9%
5 AM
23°
9%
6 AM
23°
9%
7 AM
25°
9%
8 AM
27°
10%
9 AM
30°
18%
10 AM
32°
35%
11 AM
34°
44%
12 PM
36°
51%
1 PM
36°
54%
2 PM
35°
51%
3 PM
33°
54%
4 PM
33°
35%
5 PM
32°
18%
6 PM
32°
9%
7 PM
31°
9%
8 PM
31°
9%
9 PM
30°
5%
7-Day Forecast
Tonight
36° 23°
Partly Cloudy.
Mon
37° 23°
Partly Cloudy with a 54% chance of rain.
Tue
39° 24°
Mostly Clear with a 62% chance of rain.
Wed
39° 23°
Clear with a 57% chance of rain.
Thu
40° 23°
Drizzle, 50% chance.
Fri
38° 22°
Heavy Rain, 82% chance.
Sat
38° 22°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Partly Cloudy 8% 3 mph SSW 81%
11 PM 26° Partly Cloudy 19% 4 mph SW 81%
12 AM 26° Mostly Clear 16% 4 mph WSW 82%
1 AM 25° Clear 9% 4 mph WSW 86%
2 AM 25° Clear 9% 4 mph WSW 89%
3 AM 24° Mostly Clear 9% 4 mph WSW 94%
4 AM 24° Mostly Clear 9% 4 mph WSW 94%
5 AM 23° Clear 9% 4 mph W 95%
6 AM 23° Clear 9% 4 mph W 95%
7 AM 25° Mostly Clear 9% 5 mph W 87%
8 AM 27° Mostly Clear 10% 6 mph WNW 76%
9 AM 30° Mostly Clear 18% 6 mph WNW 66%
10 AM 32° Mostly Clear 35% 6 mph WNW 58%
11 AM 34° Mostly Clear 44% 6 mph WNW 52%
12 PM 36° Mostly Clear 51% 5 mph W 45%
1 PM 36° Partly Cloudy 54% 4 mph W 49%
2 PM 35° Partly Cloudy 51% 4 mph W 53%
3 PM 33° Mostly Cloudy 54% 5 mph W 61%
4 PM 33° Mostly Cloudy 35% 4 mph WSW 64%
5 PM 32° Partly Cloudy 18% 4 mph SW 66%
6 PM 32° Partly Cloudy 9% 5 mph SW 69%
7 PM 31° Partly Cloudy 9% 6 mph SW 69%
8 PM 31° Partly Cloudy 9% 6 mph SW 69%
9 PM 30° Partly Cloudy 5% 6 mph SW 68%
15-Day Forecast
Today
8/16
Partly Cloudy
8%
23°
36°
Mon
8/17
Partly Cloudy
54%
23°
37°
Tue
8/18
Mostly Clear
62%
24°
39°
Wed
8/19
Clear
57%
23°
39°
Thu
8/20
Drizzle
50%
23°
40°
Fri
8/21
Heavy Rain
82%
22°
38°
Sat
8/22
Rain
82%
22°
38°
Sun
8/23
Thunderstorm
28%
21°
38°
Mon
8/24
Thunderstorm
44%
23°
39°
Tue
8/25
Drizzle
44%
23°
38°
Wed
8/26
Drizzle
51%
22°
38°
Thu
8/27
Drizzle
60%
23°
39°
Fri
8/28
Drizzle
60%
23°
39°
Sat
8/29
Drizzle
60%
23°
38°
Sun
8/30
Drizzle
60%
23°
37°
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
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 27 46
Tue 49 Good 28 49
Wed 49 Good 29 49
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 Aug 17, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE353 J/kg
MLCAPE508 J/kg
MUCAPE779 J/kg
SBCIN-334 J/kg
MLCIN-194 J/kg
Lifted Index-1.0
Kinematics
0–6 km Shear7 kt
0–1 km Shear11 kt
Eff. Shear11 kt
0–1 km SRH11
0–3 km SRH88
Eff. SRH116
Storm Motion103° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.3
Thermo & Levels
PWAT1.98 in
0–3 km LR4.8 °C/km
700–500 LR5.4 °C/km
Total Totals44.7
LCL963 hPa
LFC671 hPa
EL259 hPa
Freezing Lvl16,670 ft