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 7:00 PM Coastal Flood Advisory — St. John The Baptist, LA, Southwestern St. Tammany, LA, Lower Tangipahoa, LA, Coastal Jefferson, LA, Lower Lafourche, LA, Lower Terrebonne, LA, Upper St. Charles, LA 4:00 AM

Montegut, Louisiana

Last updated: 10:59 AM CDT  ·  Refresh
31°C
Feels like 37°
Mostly Clear
▲ 36°  /  ▼ 26°
Wind
9 mph NNW
Humidity
66%
Dew Point
25°
Pressure
29.86 inHg
Visibility
9 mi
UV Index
9.0
Cloud Cover
22%
Sunrise
6:16 AM
Sunset
8:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Montegut is currently mostly clear at 31°C. Precipitation is likely — peak probability 79% around 2 PM. Atmospheric instability is elevated (CAPE up to 2631 J/kg) — isolated convective development possible. Sunrise: 6:16AM · Sunset: 8:01PM.

61 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
39%
11 AM
31°
52%
12 PM
32°
55%
1 PM
33°
65%
2 PM
33°
78%
3 PM
31°
72%
4 PM
31°
61%
5 PM
32°
61%
6 PM
31°
61%
7 PM
30°
56%
8 PM
29°
46%
9 PM
29°
47%
10 PM
29°
29%
11 PM
28°
26%
12 AM
28°
12%
1 AM
28°
18%
2 AM
28°
18%
3 AM
28°
19%
4 AM
28°
31%
5 AM
27°
27%
6 AM
27°
27%
7 AM
27°
28%
8 AM
28°
32%
9 AM
28°
32%
7-Day Forecast
Today
36° 26°
Partly Cloudy with a 65% chance of rain.
Wed
33° 26°
Overcast with a 77% chance of rain.
Thu
33° 26°
Partly Cloudy with a 79% chance of rain.
Fri
33° 25°
Partly Cloudy with a 60% chance of rain.
Sat
34° 25°
Rain, 69% chance.
Sun
34° 25°
Rain, 70% chance.
Mon
36° 25°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 39% 9 mph NNW 66%
11 AM 31° Mostly Clear 52% 9 mph NNW 63%
12 PM 32° Partly Cloudy 55% 10 mph NNW 61%
1 PM 33° Partly Cloudy 65% 10 mph NNW 66%
2 PM 33° Mostly Cloudy 78% 10 mph NW 69%
3 PM 31° Thunderstorm 72% 12 mph NW 73%
4 PM 31° Mostly Cloudy 61% 10 mph NW 75%
5 PM 32° Overcast 61% 8 mph WNW 77%
6 PM 31° Thunderstorm 61% 12 mph NW 80%
7 PM 30° Mostly Cloudy 56% 9 mph WNW 82%
8 PM 29° Partly Cloudy 46% 10 mph WNW 84%
9 PM 29° Partly Cloudy 47% 10 mph NW 85%
10 PM 29° Partly Cloudy 29% 9 mph NW 86%
11 PM 28° Overcast 26% 8 mph NW 88%
12 AM 28° Mostly Cloudy 12% 8 mph NW 90%
1 AM 28° Overcast 18% 8 mph NW 90%
2 AM 28° Mostly Cloudy 18% 9 mph NW 90%
3 AM 28° Mostly Cloudy 19% 10 mph NW 91%
4 AM 28° Mostly Cloudy 31% 11 mph NW 90%
5 AM 27° Overcast 27% 11 mph NW 89%
6 AM 27° Overcast 27% 12 mph NW 88%
7 AM 27° Overcast 28% 13 mph NNW 84%
8 AM 28° Overcast 32% 13 mph NNW 80%
9 AM 28° Overcast 32% 14 mph NNW 77%
15-Day Forecast
Today
7/21
Partly Cloudy
65%
26°
36°
Wed
7/22
Overcast
77%
26°
33°
Thu
7/23
Partly Cloudy
79%
26°
33°
Fri
7/24
Partly Cloudy
60%
25°
33°
Sat
7/25
Rain
69%
25°
34°
Sun
7/26
Rain
70%
25°
34°
Mon
7/27
Clear
17%
25°
36°
Tue
7/28
Drizzle
42%
25°
36°
Wed
7/29
Drizzle
44%
26°
36°
Thu
7/30
Thunderstorm
68%
26°
36°
Fri
7/31
Drizzle
60%
26°
35°
Sat
8/1
Drizzle
60%
26°
34°
Sun
8/2
Drizzle
60%
25°
35°
Mon
8/3
Drizzle
60%
25°
34°
Tue
8/4
Rain
90%
25°
34°
61
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
61 AQI 14.8 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 61 Moderate 37 61
Thu 51 Moderate 35 51
Fri 41 Good 28 41
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 Tue Jul 21, 14:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3031 J/kg
MLCAPE1041 J/kg
MUCAPE3031 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear26 kt
0–1 km Shear11 kt
Eff. Shear31 kt
0–1 km SRH-8
0–3 km SRH-35
Eff. SRH-35
Storm Motion352° @ 34 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.9
Thermo & Levels
PWAT2.12 in
0–3 km LR6.8 °C/km
700–500 LR4.8 °C/km
Total Totals42.3
LCL926 hPa
LFC1011 hPa
EL132 hPa
Freezing Lvl17,290 ft