Extreme Heat Warning — St. James, LA, St. John The Baptist, LA, Upper St. Bernard, 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 Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, 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: 5:23 PM CDT  ·  Refresh
26°C
Feels like 28°
Rain
▲ 26°  /  ▼ 25°
Wind
9 mph E
Humidity
82%
Dew Point
24°
Pressure
29.72 inHg
Visibility
—
UV Index
0.0
Cloud Cover
98%
Sunrise
5:50 AM
Sunset
6:24 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Castries is currently rain at 26°C. Precipitation is likely — peak probability 90% around 6 PM. Atmospheric instability is elevated (CAPE up to 1579 J/kg) — isolated convective development possible. Sunrise: 5:50AM · Sunset: 6:24PM.

Alerts

Extreme Heat Warning
St. James, LA, St. John The Baptist, LA, Upper St. Bernard, 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 Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 8:00 PM
Hourly Forecast · Next 24 Hours
Now
26°
90%
7 PM
26°
60%
8 PM
26°
60%
9 PM
26°
60%
10 PM
26°
60%
11 PM
26°
60%
12 AM
26°
60%
1 AM
26°
25%
2 AM
26°
60%
3 AM
26°
60%
4 AM
26°
60%
5 AM
26°
60%
6 AM
26°
60%
7 AM
25°
60%
8 AM
26°
60%
9 AM
26°
60%
10 AM
27°
60%
11 AM
28°
60%
12 PM
28°
60%
1 PM
29°
25%
2 PM
29°
3%
3 PM
29°
3%
4 PM
28°
3%
5 PM
28°
3%
7-Day Forecast
Tonight
26° 25°
Rain, 90% chance.
Tue
29° 25°
Drizzle, 60% chance.
Wed
29° 26°
Drizzle, 60% chance.
Thu
29° 24°
Rain, 90% chance.
Fri
27° 26°
Drizzle, 60% chance.
Sat
26° 25°
Rain, 90% chance.
Sun
26° 25°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Rain 90% 9 mph E 82%
7 PM 26° Drizzle 60% 8 mph E 83%
8 PM 26° Drizzle 60% 8 mph E 84%
9 PM 26° Drizzle 60% 8 mph E 84%
10 PM 26° Drizzle 60% 7 mph E 84%
11 PM 26° Drizzle 60% 7 mph E 85%
12 AM 26° Drizzle 60% 7 mph E 85%
1 AM 26° Overcast 25% 7 mph E 85%
2 AM 26° Drizzle 60% 6 mph E 85%
3 AM 26° Drizzle 60% 7 mph ESE 85%
4 AM 26° Drizzle 60% 7 mph ESE 86%
5 AM 26° Drizzle 60% 8 mph ESE 86%
6 AM 26° Drizzle 60% 8 mph SE 86%
7 AM 25° Drizzle 60% 9 mph SE 86%
8 AM 26° Drizzle 60% 9 mph SE 84%
9 AM 26° Drizzle 60% 8 mph SE 82%
10 AM 27° Drizzle 60% 6 mph SE 79%
11 AM 28° Drizzle 60% 6 mph ESE 76%
12 PM 28° Drizzle 60% 5 mph ESE 73%
1 PM 29° Overcast 25% 4 mph E 70%
2 PM 29° Overcast 3% 4 mph E 69%
3 PM 29° Mostly Cloudy 3% 4 mph E 72%
4 PM 28° Mostly Cloudy 3% 5 mph E 75%
5 PM 28° Partly Cloudy 3% 5 mph E 78%
10-Day Forecast
Today
8/17
Rain
90%
25°
26°
Tue
8/18
Drizzle
60%
25°
29°
Wed
8/19
Drizzle
60%
26°
29°
Thu
8/20
Rain
90%
24°
29°
Fri
8/21
Drizzle
60%
26°
27°
Sat
8/22
Rain
90%
25°
26°
Sun
8/23
Rain
90%
25°
26°
Mon
8/24
Rain
90%
26°
27°
Tue
8/25
Drizzle
60%
27°
27°
Wed
8/26
Drizzle
60%
27°
28°
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 Aug 17, 21:00'Z' · F0 · 3 (~45 km Caribbean/Atlantic)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1683 J/kg
MLCAPE1916 J/kg
MUCAPE3267 J/kg
SBCIN-40 J/kg
MLCIN-8 J/kg
Lifted Index-4.7
Kinematics
0–6 km Shear18 kt
0–1 km Shear6 kt
Eff. Shear17 kt
0–1 km SRH28
0–3 km SRH20
Eff. SRH20
Storm Motion69° @ 28 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.6
Thermo & Levels
PWAT1.93 in
0–3 km LR4.9 °C/km
700–500 LR6.2 °C/km
Total Totals44.2
LCL973 hPa
LFC791 hPa
EL148 hPa
Freezing Lvl15,817 ft