Lafourche Parish, Louisiana, United States

Last updated: 4:47 PM CDT · Refresh

29°C

Feels like 34°

Mostly Cloudy

▲ 33° / ▼ 24°

Wind

6 mph SW

Humidity

79%

Dew Point

24°

Pressure

30.03 inHg

Visibility

10 mi

UV Index

5.5

Cloud Cover

67%

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 29°C. Precipitation is likely — peak probability 51% around 4 PM. Atmospheric instability is elevated (CAPE up to 2536 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

29°

45%

5 PM

30°

43%

6 PM

29°

37%

7 PM

28°

35%

8 PM

28°

37%

9 PM

26°

39%

10 PM

26°

42%

11 PM

26°

38%

12 AM

26°

25%

1 AM

26°

22%

2 AM

26°

23%

3 AM

25°

23%

4 AM

25°

24%

5 AM

24°

24%

6 AM

24°

25%

7 AM

26°

25%

8 AM

27°

26%

9 AM

28°

26%

10 AM

29°

30%

11 AM

31°

39%

12 PM

32°

49%

1 PM

31°

46%

2 PM

31°

47%

3 PM

31°

44%

7-Day Forecast

Today

33° 24°

Mostly Cloudy with a 45% chance of rain.

Thu

33° 24°

Partly Cloudy with a 50% chance of rain.

Fri

33° 24°

Rain, 65% chance.

Sat

32° 22°

Mostly Clear with a 70% chance of rain.

Sun

33° 24°

Drizzle, 60% chance.

Mon

33° 25°

Rain, 81% chance.

Tue

33° 25°

Drizzle, 60% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 29° Mostly Cloudy 45% 6 mph SW 79%

5 PM 30° Mostly Cloudy 43% 4 mph SW 78%

6 PM 29° Mostly Cloudy 37% 4 mph SW 78%

7 PM 28° Mostly Cloudy 35% 4 mph SW 81%

8 PM 28° Mostly Cloudy 37% 4 mph SSW 83%

9 PM 26° Mostly Cloudy 39% 3 mph SSW 85%

10 PM 26° Mostly Cloudy 42% 3 mph SSW 86%

11 PM 26° Mostly Cloudy 38% 2 mph SSW 86%

12 AM 26° Partly Cloudy 25% 2 mph S 85%

1 AM 26° Mostly Clear 22% 2 mph S 86%

2 AM 26° Mostly Clear 23% 2 mph S 88%

3 AM 25° Clear 23% 1 mph SSW 90%

4 AM 25° Clear 24% 1 mph SE 90%

5 AM 24° Clear 24% 2 mph ENE 91%

6 AM 24° Clear 25% 2 mph ENE 91%

7 AM 26° Mostly Clear 25% 2 mph E 87%

8 AM 27° Mostly Clear 26% 1 mph ESE 80%

9 AM 28° Mostly Clear 26% 2 mph SE 73%

10 AM 29° Partly Cloudy 30% 2 mph SE 68%

11 AM 31° Partly Cloudy 39% 2 mph SE 66%

12 PM 32° Partly Cloudy 49% 2 mph SE 63%

1 PM 31° Partly Cloudy 46% 3 mph SE 64%

2 PM 31° Partly Cloudy 47% 3 mph SSE 67%

3 PM 31° Partly Cloudy 44% 3 mph SSE 69%

15-Day Forecast

Today

8/5

Mostly Cloudy

45%

24°

33°

Thu

8/6

Partly Cloudy

50%

24°

33°

Fri

8/7

Rain

65%

24°

33°

Sat

8/8

Mostly Clear

70%

22°

32°

Sun

8/9

Drizzle

60%

24°

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°

34°

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%

25°

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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE2558 J/kg

MLCAPE2072 J/kg

MUCAPE2668 J/kg

SBCIN-33 J/kg

MLCIN0 J/kg

Lifted Index-5.0

Kinematics

0–6 km Shear3 kt

0–1 km Shear3 kt

Eff. Shear6 kt

0–1 km SRH1

0–3 km SRH12

Eff. SRH12

Storm Motion6° @ 15 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.1

K-Index29.9

Thermo & Levels

PWAT1.95 in

0–3 km LR6.6 °C/km

700–500 LR4.9 °C/km

Total Totals43.9

LCL951 hPa

LFC887 hPa

EL167 hPa

Freezing Lvl16,545 ft

Lafourche Parish, Louisiana, United States

Alerts