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, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 8:00 PM

OHZ058

Last updated: 2:03 AM CDT  ·  Refresh
27°C
Feels like 31°
Clear
▲ 38°  /  ▼ 26°
Wind
4 mph SW
Humidity
87%
Dew Point
24°
Pressure
30.02 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
6:32 AM
Sunset
7:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: OHZ058 is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1851 J/kg) — isolated convective development possible. Sunrise: 6:32AM · Sunset: 7:44PM.

49 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
9%
2 AM
27°
5%
3 AM
27°
4%
4 AM
26°
5%
5 AM
24°
3%
6 AM
24°
3%
7 AM
26°
7%
8 AM
28°
7%
9 AM
30°
7%
10 AM
32°
24%
11 AM
33°
24%
12 PM
35°
25%
1 PM
37°
25%
2 PM
38°
28%
3 PM
38°
19%
4 PM
37°
20%
5 PM
37°
20%
6 PM
35°
18%
7 PM
34°
15%
8 PM
33°
15%
9 PM
31°
15%
10 PM
31°
5%
11 PM
31°
5%
12 AM
31°
3%
7-Day Forecast
Today
38° 26°
Clear with a 25% chance of rain.
Tue
41° 26°
Partly Cloudy with a 30% chance of rain.
Wed
39° 25°
Partly Cloudy with a 36% chance of rain.
Thu
38° 24°
Overcast with a 40% chance of rain.
Fri
39° 24°
Rain, 64% chance.
Sat
39° 23°
Rain, 64% chance.
Sun
39° 22°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 9% 4 mph SW 87%
2 AM 27° Mostly Clear 5% 4 mph WSW 87%
3 AM 27° Mostly Clear 4% 4 mph WSW 89%
4 AM 26° Mostly Clear 5% 4 mph WSW 89%
5 AM 24° Clear 3% 4 mph W 90%
6 AM 24° Clear 3% 4 mph W 90%
7 AM 26° Clear 7% 4 mph W 83%
8 AM 28° Clear 7% 5 mph W 73%
9 AM 30° Clear 7% 5 mph W 64%
10 AM 32° Clear 24% 4 mph W 57%
11 AM 33° Clear 24% 4 mph W 50%
12 PM 35° Clear 25% 3 mph WSW 44%
1 PM 37° Clear 25% 3 mph WSW 42%
2 PM 38° Clear 28% 4 mph SSW 40%
3 PM 38° Mostly Clear 19% 5 mph SSW 39%
4 PM 37° Mostly Clear 20% 5 mph SSW 44%
5 PM 37° Partly Cloudy 20% 5 mph S 49%
6 PM 35° Partly Cloudy 18% 6 mph S 56%
7 PM 34° Partly Cloudy 15% 6 mph S 62%
8 PM 33° Partly Cloudy 15% 6 mph SSW 68%
9 PM 31° Partly Cloudy 15% 7 mph SSW 72%
10 PM 31° Partly Cloudy 5% 7 mph SSW 74%
11 PM 31° Partly Cloudy 5% 7 mph SSW 76%
12 AM 31° Partly Cloudy 3% 7 mph SW 78%
15-Day Forecast
Today
8/17
Clear
25%
26°
38°
Tue
8/18
Partly Cloudy
30%
26°
41°
Wed
8/19
Partly Cloudy
36%
25°
39°
Thu
8/20
Overcast
40%
24°
38°
Fri
8/21
Rain
64%
24°
39°
Sat
8/22
Rain
64%
23°
39°
Sun
8/23
Rain
28%
22°
39°
Mon
8/24
Thunderstorm
43%
23°
39°
Tue
8/25
Rain
68%
24°
39°
Wed
8/26
Drizzle
60%
24°
38°
Thu
8/27
Drizzle
60%
23°
39°
Fri
8/28
Drizzle
60%
23°
40°
Sat
8/29
Drizzle
60%
23°
38°
Sun
8/30
Drizzle
60%
23°
38°
Mon
8/31
Drizzle
60%
23°
38°
49
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
49 AQI 8.8 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 49 Good 33 49
Tue 52 Moderate 31 52
Wed 48 Good 30 48
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, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1551 J/kg
MLCAPE1263 J/kg
MUCAPE1551 J/kg
SBCIN-191 J/kg
MLCIN-144 J/kg
Lifted Index-2.9
Kinematics
0–6 km Shear10 kt
0–1 km Shear4 kt
Eff. Shear6 kt
0–1 km SRH-16
0–3 km SRH32
Eff. SRH32
Storm Motion126° @ 18 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.6
Thermo & Levels
PWAT1.95 in
0–3 km LR5.3 °C/km
700–500 LR4.9 °C/km
Total Totals41.2
LCL987 hPa
LFC782 hPa
EL162 hPa
Freezing Lvl16,355 ft