Lafourche Parish, Louisiana, United States

Last updated: 3:59 PM CDT · Refresh

30°C

Feels like 37°

Mostly Cloudy

▲ 33° / ▼ 24°

Wind

7 mph SW

Humidity

78%

Dew Point

24°

Pressure

30.04 inHg

Visibility

6 mi

UV Index

5.8

Cloud Cover

73%

Sunrise

6:23 AM

Sunset

7:50 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Lafourche Parish is currently mostly cloudy at 30°C. Precipitation is likely — peak probability 61% around 12 PM. Atmospheric instability is elevated (CAPE up to 2369 J/kg) — isolated convective development possible. Sunrise: 6:23AM · Sunset: 7:50PM.

52 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

30°

52%

4 PM

29°

33%

5 PM

30°

25%

6 PM

28°

13%

7 PM

28°

13%

8 PM

27°

13%

9 PM

26°

13%

10 PM

26°

13%

11 PM

26°

13%

12 AM

25°

14%

1 AM

25°

23%

2 AM

25°

23%

3 AM

25°

24%

4 AM

25°

24%

5 AM

24°

25%

6 AM

24°

25%

7 AM

26°

35%

8 AM

27°

36%

9 AM

28°

37%

10 AM

30°

40%

11 AM

30°

51%

12 PM

31°

61%

1 PM

30°

51%

2 PM

29°

47%

7-Day Forecast

Today

33° 24°

Mostly Cloudy with a 52% chance of rain.

Thu

33° 24°

Rain, 50% chance.

Fri

33° 24°

Rain, 60% chance.

Sat

33° 23°

Mostly Cloudy with a 70% chance of rain.

Sun

33° 25°

Drizzle, 60% chance.

Mon

33° 25°

Rain, 81% chance.

Tue

33° 25°

Drizzle, 60% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 30° Mostly Cloudy 52% 7 mph SW 78%

4 PM 29° Overcast 33% 4 mph SW 80%

5 PM 30° Mostly Cloudy 25% 5 mph SW 76%

6 PM 28° Mostly Cloudy 13% 4 mph W 75%

7 PM 28° Mostly Cloudy 13% 3 mph WSW 78%

8 PM 27° Mostly Cloudy 13% 2 mph SW 80%

9 PM 26° Partly Cloudy 13% 3 mph S 82%

10 PM 26° Partly Cloudy 13% 3 mph S 84%

11 PM 26° Partly Cloudy 13% 3 mph S 85%

12 AM 25° Partly Cloudy 14% 2 mph SSE 86%

1 AM 25° Partly Cloudy 23% 3 mph SSE 87%

2 AM 25° Partly Cloudy 23% 2 mph SSW 89%

3 AM 25° Clear 24% 1 mph WSW 90%

4 AM 25° Clear 24% 2 mph E 91%

5 AM 24° Clear 25% 2 mph E 91%

6 AM 24° Mostly Clear 25% 2 mph E 92%

7 AM 26° Mostly Clear 35% 2 mph ESE 86%

8 AM 27° Mostly Clear 36% 2 mph SE 77%

9 AM 28° Mostly Clear 37% 2 mph SSE 70%

10 AM 30° Partly Cloudy 40% 2 mph SE 68%

11 AM 30° Partly Cloudy 51% 2 mph SE 67%

12 PM 31° Rain 61% 3 mph SE 65%

1 PM 30° Rain 51% 3 mph SE 67%

2 PM 29° Rain 47% 4 mph SE 70%

15-Day Forecast

Today

8/5

Mostly Cloudy

52%

24°

33°

Thu

8/6

Rain

50%

24°

33°

Fri

8/7

Rain

60%

24°

33°

Sat

8/8

Mostly Cloudy

70%

23°

33°

Sun

8/9

Drizzle

60%

25°

33°

Mon

8/10

Rain

81%

25°

33°

Tue

8/11

Drizzle

60%

25°

33°

Wed

8/12

Thunderstorm

60%

25°

34°

Thu

8/13

Thunderstorm

60%

25°

34°

Fri

8/14

Drizzle

60%

25°

35°

Sat

8/15

Drizzle

60%

25°

34°

Sun

8/16

Drizzle

60%

25°

35°

Mon

8/17

Drizzle

60%

25°

35°

Tue

8/18

Drizzle

60%

24°

36°

Wed

8/19

Drizzle

60%

24°

34°

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

PM_2.5

Fine particulate matter

Dominant

52 AQI 9.6 µg/m³

O₃

Ground-level ozone

37 AQI 41 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Thu 52 Moderate 37 52

Fri 53 Moderate 37 53

Sat 41 Good 26 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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Wed Aug 5, 18:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE2787 J/kg

MLCAPE2347 J/kg

MUCAPE3022 J/kg

SBCIN0 J/kg

MLCIN0 J/kg

Lifted Index-5.1

Kinematics

0–6 km Shear3 kt

0–1 km Shear3 kt

Eff. Shear8 kt

0–1 km SRH-1

0–3 km SRH-7

Eff. SRH-7

Storm Motion336° @ 16 kt

0–1 km EHI-0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index33.5

Thermo & Levels

PWAT2.06 in

0–3 km LR7.2 °C/km

700–500 LR4.5 °C/km

Total Totals42.9

LCL935 hPa

LFC1017 hPa

EL163 hPa

Freezing Lvl17,014 ft

Lafourche Parish, Louisiana, United States

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