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 8:00 PM

Castries, Saint Lucia

Last updated: 3:01 PM CDT  ·  Refresh
28°C
Feels like 32°
Clear
▲ 28°  /  ▼ 27°
Wind
17 mph ENE
Humidity
76%
Dew Point
23°
Pressure
29.75 inHg
Visibility
UV Index
6.5
Cloud Cover
Sunrise
5:51 AM
Sunset
6:22 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Castries is currently clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1143 J/kg) — isolated convective development possible. Sunrise: 5:51AM · Sunset: 6:22PM.

Hourly Forecast · Next 24 Hours
Now
28°
5%
5 PM
28°
5%
6 PM
28°
5%
7 PM
27°
5%
8 PM
27°
5%
9 PM
27°
5%
10 PM
27°
5%
11 PM
27°
5%
12 AM
27°
5%
1 AM
27°
5%
2 AM
27°
5%
3 AM
27°
5%
4 AM
27°
5%
5 AM
27°
5%
6 AM
28°
5%
7 AM
28°
5%
8 AM
28°
5%
9 AM
28°
5%
10 AM
28°
5%
11 AM
29°
5%
12 PM
29°
5%
1 PM
29°
5%
2 PM
29°
5%
3 PM
29°
5%
7-Day Forecast
Today
28° 27°
Clear.
Sat
29° 27°
Clear.
Sun
29° 27°
Clear.
Mon
29° 27°
Clear.
Tue
27° 27°
Clear.
Wed
29° 27°
Clear.
Thu
27° 27°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 5% 17 mph ENE 76%
5 PM 28° Clear 5% 17 mph ENE 77%
6 PM 28° Clear 5% 17 mph ENE 78%
7 PM 27° Clear 5% 16 mph ENE 79%
8 PM 27° Clear 5% 16 mph ENE 80%
9 PM 27° Clear 5% 16 mph ENE 80%
10 PM 27° Clear 5% 16 mph ENE 80%
11 PM 27° Clear 5% 16 mph E 80%
12 AM 27° Clear 5% 15 mph E 80%
1 AM 27° Clear 5% 15 mph E 80%
2 AM 27° Clear 5% 15 mph E 80%
3 AM 27° Clear 5% 15 mph E 79%
4 AM 27° Clear 5% 15 mph E 78%
5 AM 27° Clear 5% 15 mph E 78%
6 AM 28° Clear 5% 15 mph E 77%
7 AM 28° Clear 5% 15 mph E 76%
8 AM 28° Clear 5% 16 mph E 75%
9 AM 28° Clear 5% 15 mph E 75%
10 AM 28° Clear 5% 15 mph E 74%
11 AM 29° Clear 5% 15 mph E 73%
12 PM 29° Clear 5% 15 mph E 73%
1 PM 29° Clear 5% 15 mph E 72%
2 PM 29° Clear 5% 15 mph E 71%
3 PM 29° Clear 5% 15 mph E 73%
10-Day Forecast
Today
8/21
Clear
5%
27°
28°
Sat
8/22
Clear
5%
27°
29°
Sun
8/23
Clear
5%
27°
29°
Mon
8/24
Clear
5%
27°
29°
Tue
8/25
Clear
5%
27°
27°
Wed
8/26
Clear
5%
27°
29°
Thu
8/27
Clear
5%
27°
27°
Fri
8/28
Clear
5%
27°
29°
Sat
8/29
Clear
5%
27°
27°
Sun
8/30
Clear
5%
27°
27°
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 Fri Aug 21, 17:00'Z' · F0 · 3 (~45 km Caribbean/Atlantic)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1486 J/kg
MLCAPE732 J/kg
MUCAPE1486 J/kg
SBCIN-9 J/kg
MLCIN-14 J/kg
Lifted Index-2.9
Kinematics
0–6 km Shear7 kt
0–1 km Shear6 kt
Eff. Shear4 kt
0–1 km SRH8
0–3 km SRH38
Eff. SRH38
Storm Motion47° @ 25 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index10.6
Thermo & Levels
PWAT1.51 in
0–3 km LR5.4 °C/km
700–500 LR5.7 °C/km
Total Totals38.0
LCL941 hPa
LFC920 hPa
EL161 hPa
Freezing Lvl16,814 ft