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, 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 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 Excessive Heat Watch 8:00 PM

Washington Parish, Louisiana, United States

Last updated: 3:41 PM CDT  ·  Refresh
99°F
Feels like 102°
Clear
▲ 100°  /  ▼ 74°
Wind
5 mph WSW
Humidity
33%
Dew Point
64°
Pressure
29.87 inHg
Visibility
10 mi
UV Index
8.3
Cloud Cover
0%
Sunrise
6:26 AM
Sunset
7:43 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Washington Parish is currently clear at 99°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2174 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 7:43PM.

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, 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
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
Excessive Heat Watch
Expires 8:00 PM
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
99°
3%
4 PM
100°
3%
5 PM
100°
3%
6 PM
97°
3%
7 PM
94°
3%
8 PM
90°
3%
9 PM
86°
3%
10 PM
84°
3%
11 PM
82°
3%
12 AM
81°
3%
1 AM
79°
3%
2 AM
79°
3%
3 AM
78°
3%
4 AM
77°
3%
5 AM
74°
3%
6 AM
74°
3%
7 AM
76°
3%
8 AM
78°
3%
9 AM
83°
3%
10 AM
89°
3%
11 AM
91°
3%
12 PM
93°
3%
1 PM
94°
3%
2 PM
94°
3%
7-Day Forecast
Today
100° 74°
Clear.
Sat
102° 74°
Mostly Clear.
Sun
104° 74°
Clear with a 35% chance of rain.
Mon
103° 76°
Clear with a 52% chance of rain.
Tue
104° 74°
Clear with a 25% chance of rain.
Wed
103° 72°
Drizzle, 50% chance.
Thu
105° 70°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 99° Clear 3% 5 mph WSW 33%
4 PM 100° Clear 3% 4 mph WSW 32%
5 PM 100° Clear 3% 4 mph WSW 36%
6 PM 97° Clear 3% 5 mph SW 41%
7 PM 94° Clear 3% 6 mph SSW 45%
8 PM 90° Clear 3% 5 mph SSW 49%
9 PM 86° Clear 3% 5 mph SSW 53%
10 PM 84° Clear 3% 4 mph SSW 60%
11 PM 82° Clear 3% 5 mph SW 68%
12 AM 81° Clear 3% 5 mph SW 77%
1 AM 79° Clear 3% 5 mph SW 83%
2 AM 79° Clear 3% 4 mph WSW 87%
3 AM 78° Clear 3% 5 mph WSW 90%
4 AM 77° Clear 3% 4 mph W 92%
5 AM 74° Mostly Clear 3% 4 mph W 93%
6 AM 74° Mostly Clear 3% 3 mph WNW 93%
7 AM 76° Mostly Clear 3% 4 mph WNW 88%
8 AM 78° Mostly Clear 3% 5 mph WNW 78%
9 AM 83° Mostly Clear 3% 5 mph WNW 68%
10 AM 89° Mostly Clear 3% 5 mph NW 62%
11 AM 91° Mostly Clear 3% 5 mph NW 57%
12 PM 93° Mostly Clear 3% 4 mph NW 52%
1 PM 94° Mostly Clear 3% 4 mph WNW 50%
2 PM 94° Mostly Clear 3% 4 mph WNW 49%
15-Day Forecast
Today
8/14
Clear
3%
74°
100°
Sat
8/15
Mostly Clear
7%
74°
102°
Sun
8/16
Clear
35%
74°
104°
Mon
8/17
Clear
52%
76°
103°
Tue
8/18
Clear
25%
74°
104°
Wed
8/19
Drizzle
50%
72°
103°
Thu
8/20
Clear
19%
70°
105°
Fri
8/21
Drizzle
60%
73°
105°
Sat
8/22
Drizzle
60%
70°
103°
Sun
8/23
Drizzle
60%
69°
103°
Mon
8/24
Drizzle
60%
69°
100°
Tue
8/25
Drizzle
60%
74°
101°
Wed
8/26
Drizzle
60%
74°
102°
Thu
8/27
Drizzle
60%
74°
103°
Fri
8/28
Drizzle
60%
74°
102°
56
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
56 AQI 11.7 µg/m³
O3
Ground-level ozone
26 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 56 Moderate 26 56
Sun 47 Good 26 47
Mon 44 Good 25 44
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 Fri Aug 14, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE637 J/kg
MLCAPE206 J/kg
MUCAPE637 J/kg
SBCIN-36 J/kg
MLCIN-118 J/kg
Lifted Index-2.4
Kinematics
0–6 km Shear3 kt
0–1 km Shear2 kt
Eff. Shear3 kt
0–1 km SRH5
0–3 km SRH2
Eff. SRH2
Storm Motion177° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index13.1
Thermo & Levels
PWAT1.29 in
0–3 km LR8.3 °C/km
700–500 LR6.1 °C/km
Total Totals44.7
LCL769 hPa
LFC668 hPa
EL214 hPa
Freezing Lvl16,716 ft