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, 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, Southern Hancock, MS 7:00 PM

Manitou Island to Point Isabelle MI, LS

Last updated: 9:56 AM CDT  ·  Refresh
29°C
Feels like 34°
Clear
▲ 36°  /  ▼ 25°
Wind
3 mph WNW
Humidity
74%
Dew Point
25°
Pressure
29.90 inHg
Visibility
9 mi
UV Index
7.2
Cloud Cover
8%
Sunrise
6:44 AM
Sunset
7:20 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Manitou Island to Point Isabelle MI is currently clear at 29°C. Precipitation is likely — peak probability 60% around 5 PM. Atmospheric instability is elevated (CAPE up to 2768 J/kg) — isolated convective development possible. Sunrise: 6:44AM · Sunset: 7:20PM.

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, 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, Southern Hancock, MS
Expires 7:00 PM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
36%
10 AM
31°
50%
11 AM
32°
38%
12 PM
34°
40%
1 PM
36°
45%
2 PM
36°
49%
3 PM
36°
54%
4 PM
34°
54%
5 PM
33°
59%
6 PM
31°
44%
7 PM
30°
53%
8 PM
29°
49%
9 PM
28°
39%
10 PM
28°
40%
11 PM
27°
36%
12 AM
27°
33%
1 AM
27°
37%
2 AM
27°
31%
3 AM
26°
24%
4 AM
26°
14%
5 AM
25°
14%
6 AM
25°
14%
7 AM
26°
30%
8 AM
27°
39%
7-Day Forecast
Today
36° 25°
Mostly Clear with a 54% chance of rain.
Tue
37° 25°
Mostly Cloudy with a 44% chance of rain.
Wed
36° 24°
Partly Cloudy with a 84% chance of rain.
Thu
34° 23°
Heavy Rain, 90% chance.
Fri
34° 23°
Rain, 82% chance.
Sat
34° 23°
Rain, 82% chance.
Sun
36° 23°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Clear 36% 3 mph WNW 74%
10 AM 31° Clear 50% 3 mph NW 69%
11 AM 32° Clear 38% 3 mph NW 63%
12 PM 34° Mostly Clear 40% 3 mph NNW 56%
1 PM 36° Mostly Clear 45% 3 mph NNW 53%
2 PM 36° Mostly Clear 49% 2 mph N 51%
3 PM 36° Mostly Clear 54% 3 mph NE 53%
4 PM 34° Partly Cloudy 54% 4 mph NNE 58%
5 PM 33° Partly Cloudy 59% 4 mph E 63%
6 PM 31° Partly Cloudy 44% 4 mph SSW 70%
7 PM 30° Partly Cloudy 53% 4 mph SSW 75%
8 PM 29° Mostly Cloudy 49% 3 mph SSW 78%
9 PM 28° Mostly Cloudy 39% 3 mph SW 82%
10 PM 28° Partly Cloudy 40% 2 mph SSW 83%
11 PM 27° Partly Cloudy 36% 2 mph SSE 85%
12 AM 27° Rain 33% 2 mph SE 86%
1 AM 27° Partly Cloudy 37% 2 mph SE 88%
2 AM 27° Partly Cloudy 31% 2 mph ESE 90%
3 AM 26° Partly Cloudy 24% 3 mph SE 91%
4 AM 26° Partly Cloudy 14% 3 mph ESE 92%
5 AM 25° Mostly Cloudy 14% 3 mph ESE 93%
6 AM 25° Haze 14% 3 mph ESE 93%
7 AM 26° Mostly Cloudy 30% 3 mph ESE 89%
8 AM 27° Mostly Cloudy 39% 4 mph ESE 84%
15-Day Forecast
Today
9/7
Mostly Clear
54%
25°
36°
Tue
9/8
Mostly Cloudy
44%
25°
37°
Wed
9/9
Partly Cloudy
84%
24°
36°
Thu
9/10
Heavy Rain
90%
23°
34°
Fri
9/11
Rain
82%
23°
34°
Sat
9/12
Rain
82%
23°
34°
Sun
9/13
Rain
63%
23°
36°
Mon
9/14
Drizzle
42%
23°
36°
Tue
9/15
Drizzle
44%
23°
36°
Wed
9/16
Drizzle
44%
22°
36°
Thu
9/17
Drizzle
60%
22°
34°
Fri
9/18
Drizzle
60%
22°
34°
Sat
9/19
Drizzle
60%
21°
34°
Sun
9/20
Drizzle
60%
21°
34°
Mon
9/21
Drizzle
60%
21°
33°
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 8.2 µg/m³
O3
Ground-level ozone
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 46 Good 34 46
Wed 31 Good 31 31
Thu 27 Good 27 22
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 Sep 7, 13:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3054 J/kg
MLCAPE1811 J/kg
MUCAPE3054 J/kg
SBCIN-50 J/kg
MLCIN-65 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear12 kt
0–1 km Shear3 kt
Eff. Shear24 kt
0–1 km SRH10
0–3 km SRH33
Eff. SRH33
Storm Motion107° @ 14 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.2
Supercell1.3
K-Index37.7
Thermo & Levels
PWAT2.25 in
0–3 km LR6.2 °C/km
700–500 LR5.8 °C/km
Total Totals48.5
LCL952 hPa
LFC866 hPa
EL139 hPa
Freezing Lvl16,102 ft