Extreme Heat Watch 8:00 PM

Castries, Saint Lucia

Last updated: 10:07 PM CDT  ·  Refresh
27°C
Feels like 30°
Clear
▲ 27°  /  ▼ 27°
Wind
18 mph E
Humidity
84%
Dew Point
24°
Pressure
29.73 inHg
Visibility
—
UV Index
0.0
Cloud Cover
—
Sunrise
5:50 AM
Sunset
6:25 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Castries is currently clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1472 J/kg) — isolated convective development possible. Sunrise: 5:50AM · Sunset: 6:25PM.

Alerts

Extreme Heat Watch
Expires 8:00 PM
Hourly Forecast · Next 24 Hours
Now
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
27°
5%
7 AM
27°
5%
8 AM
28°
5%
9 AM
28°
5%
10 AM
28°
5%
11 AM
28°
5%
12 PM
28°
5%
1 PM
29°
5%
2 PM
29°
5%
3 PM
29°
5%
4 PM
28°
5%
5 PM
28°
5%
6 PM
28°
5%
7 PM
28°
5%
8 PM
27°
5%
9 PM
27°
5%
10 PM
27°
5%
7-Day Forecast
Tonight
27° 27°
Clear.
Sun
29° 27°
Clear.
Mon
29° 27°
Clear.
Tue
29° 27°
Clear.
Wed
29° 27°
Clear.
Thu
29° 27°
Clear.
Fri
28° 26°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 5% 18 mph E 84%
12 AM 27° Clear 5% 18 mph E 84%
1 AM 27° Clear 5% 18 mph E 84%
2 AM 27° Clear 5% 18 mph E 84%
3 AM 27° Clear 5% 18 mph E 82%
4 AM 27° Clear 5% 18 mph E 80%
5 AM 27° Clear 5% 18 mph E 78%
6 AM 27° Clear 5% 18 mph E 76%
7 AM 27° Clear 5% 18 mph E 74%
8 AM 28° Clear 5% 18 mph E 73%
9 AM 28° Clear 5% 18 mph E 72%
10 AM 28° Clear 5% 18 mph ENE 71%
11 AM 28° Clear 5% 18 mph ENE 70%
12 PM 28° Clear 5% 18 mph ENE 69%
1 PM 29° Clear 5% 18 mph ENE 68%
2 PM 29° Clear 5% 18 mph ENE 68%
3 PM 29° Clear 5% 17 mph ENE 69%
4 PM 28° Clear 5% 17 mph ENE 71%
5 PM 28° Clear 5% 17 mph ENE 73%
6 PM 28° Clear 5% 17 mph ENE 75%
7 PM 28° Clear 5% 17 mph ENE 76%
8 PM 27° Clear 5% 17 mph ENE 78%
9 PM 27° Clear 5% 17 mph ENE 78%
10 PM 27° Clear 5% 17 mph ENE 78%
10-Day Forecast
Today
8/15
Clear
5%
27°
27°
Sun
8/16
Clear
5%
27°
29°
Mon
8/17
Clear
5%
27°
29°
Tue
8/18
Clear
5%
27°
29°
Wed
8/19
Clear
5%
27°
29°
Thu
8/20
Clear
5%
27°
29°
Fri
8/21
Clear
5%
26°
28°
Sat
8/22
Clear
5%
26°
29°
Sun
8/23
Clear
5%
27°
29°
Mon
8/24
Clear
5%
27°
29°
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 Sun Aug 16, 01:00'Z' · F0 · 3 (~45 km Caribbean/Atlantic)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1801 J/kg
MLCAPE1006 J/kg
MUCAPE1801 J/kg
SBCIN-34 J/kg
MLCIN-53 J/kg
Lifted Index-4.4
Kinematics
0–6 km Shear11 kt
0–1 km Shear14 kt
Eff. Shear9 kt
0–1 km SRH50
0–3 km SRH26
Eff. SRH26
Storm Motion56° @ 35 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index15.5
Thermo & Levels
PWAT1.71 in
0–3 km LR5.2 °C/km
700–500 LR5.8 °C/km
Total Totals35.1
LCL965 hPa
LFC817 hPa
EL149 hPa
Freezing Lvl16,066 ft