Severe Thunderstorm Watch 7:00 PM Flood Warning — East Baton Rouge County, LA 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, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS 8:00 PM 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, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS 8:00 PM

LMZ046

Last updated: 6:05 PM CDT  ·  Refresh
34°C
Feels like 39°
Mostly Clear
▲ 35°  /  ▼ 24°
Wind
5 mph W
Humidity
53%
Dew Point
23°
Pressure
29.84 inHg
Visibility
10 mi
UV Index
5.0
Cloud Cover
11%
Sunrise
6:20 AM
Sunset
8:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: LMZ046 is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1689 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 8:02PM.

30 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
6%
7 PM
34°
21%
8 PM
33°
21%
9 PM
32°
20%
10 PM
30°
20%
11 PM
29°
20%
12 AM
29°
20%
1 AM
28°
3%
2 AM
27°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
27°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
27°
8%
9 AM
28°
16%
10 AM
30°
16%
11 AM
31°
19%
12 PM
32°
19%
1 PM
34°
21%
2 PM
36°
21%
3 PM
36°
22%
4 PM
36°
20%
5 PM
36°
22%
7-Day Forecast
Tonight
35° 24°
Mostly Clear with a 20% chance of rain.
Tue
38° 24°
Partly Cloudy with a 20% chance of rain.
Wed
37° 26°
Partly Cloudy.
Thu
37° 26°
Mostly Cloudy with a 77% chance of rain.
Fri
37° 25°
Drizzle, 55% chance.
Sat
36° 25°
Rain, 68% chance.
Sun
34° 24°
Heavy Rain, 86% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 6% 5 mph W 52%
7 PM 34° Clear 21% 5 mph W 54%
8 PM 33° Clear 21% 4 mph WSW 62%
9 PM 32° Clear 20% 5 mph SW 69%
10 PM 30° Partly Cloudy 20% 5 mph SW 76%
11 PM 29° Partly Cloudy 20% 6 mph WSW 78%
12 AM 29° Partly Cloudy 20% 6 mph WSW 81%
1 AM 28° Mostly Clear 3% 6 mph WSW 84%
2 AM 27° Mostly Clear 3% 5 mph WSW 85%
3 AM 27° Clear 3% 5 mph W 86%
4 AM 27° Clear 3% 5 mph W 88%
5 AM 27° Clear 3% 5 mph W 88%
6 AM 24° Clear 3% 5 mph W 88%
7 AM 24° Clear 3% 5 mph W 89%
8 AM 27° Partly Cloudy 8% 7 mph W 81%
9 AM 28° Mostly Clear 16% 7 mph W 75%
10 AM 30° Mostly Clear 16% 7 mph WNW 68%
11 AM 31° Mostly Clear 19% 7 mph W 62%
12 PM 32° Mostly Clear 19% 6 mph W 57%
1 PM 34° Partly Cloudy 21% 6 mph W 52%
2 PM 36° Partly Cloudy 21% 6 mph W 52%
3 PM 36° Partly Cloudy 22% 6 mph W 51%
4 PM 36° Mostly Cloudy 20% 6 mph W 50%
5 PM 36° Partly Cloudy 22% 6 mph W 53%
15-Day Forecast
Today
7/27
Mostly Clear
20%
24°
35°
Tue
7/28
Partly Cloudy
20%
24°
38°
Wed
7/29
Partly Cloudy
15%
26°
37°
Thu
7/30
Mostly Cloudy
77%
26°
37°
Fri
7/31
Drizzle
55%
25°
37°
Sat
8/1
Rain
68%
25°
36°
Sun
8/2
Heavy Rain
86%
24°
34°
Mon
8/3
Rain
90%
24°
36°
Tue
8/4
Drizzle
66%
24°
36°
Wed
8/5
Rain
58%
24°
37°
Thu
8/6
Drizzle
57%
24°
36°
Fri
8/7
Drizzle
60%
23°
36°
Sat
8/8
Rain
90%
23°
35°
Sun
8/9
Drizzle
60%
23°
36°
Mon
8/10
Drizzle
60%
23°
36°
30
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
25 AQI 4.5 µg/m³
O3
Ground-level ozone
Dominant
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 30 Good 30 25
Wed 34 Good 30 34
Thu 46 Good 30 46
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 Jul 27, 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
SBCAPE1744 J/kg
MLCAPE1276 J/kg
MUCAPE1744 J/kg
SBCIN0 J/kg
MLCIN-0 J/kg
Lifted Index-3.1
Kinematics
0–6 km Shear13 kt
0–1 km Shear2 kt
Eff. Shear16 kt
0–1 km SRH7
0–3 km SRH-25
Eff. SRH-25
Storm Motion304° @ 19 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.0
Thermo & Levels
PWAT1.87 in
0–3 km LR7.9 °C/km
700–500 LR4.6 °C/km
Total Totals41.6
LCL856 hPa
LFC1010 hPa
EL160 hPa
Freezing Lvl17,917 ft