Heat Advisory — Inland Kenedy, TX, Starr, TX, Southern Hidalgo, TX, Inland Willacy, TX, Inland Cameron, TX, Coastal Kenedy, TX, Northern Hidalgo, TX, Coastal Willacy, TX, Coastal Cameron, TX 7:00 PM

Port Isabel, Texas

Last updated: 4:58 PM CDT  ·  Refresh
31°C
Feels like 38°
Mostly Clear
▲ 33°  /  ▼ 28°
Wind
15 mph SE
Humidity
74%
Dew Point
26°
Pressure
29.93 inHg
Visibility
10 mi
UV Index
6.7
Cloud Cover
15%
Sunrise
7:13 AM
Sunset
7:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Port Isabel is currently mostly clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4262 J/kg) — isolated convective development possible. Sunrise: 7:13AM · Sunset: 7:35PM.

Alerts

Heat Advisory
Inland Kenedy, TX, Starr, TX, Southern Hidalgo, TX, Inland Willacy, TX, Inland Cameron, TX, Coastal Kenedy, TX, Northern Hidalgo, TX, Coastal Willacy, TX, Coastal Cameron, TX
Expires 7:00 PM
40 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
6%
5 PM
31°
7%
6 PM
31°
7%
7 PM
31°
7%
8 PM
30°
7%
9 PM
29°
4%
10 PM
29°
6%
11 PM
29°
9%
12 AM
29°
8%
1 AM
28°
19%
2 AM
28°
19%
3 AM
28°
22%
4 AM
28°
26%
5 AM
28°
35%
6 AM
28°
23%
7 AM
29°
10%
8 AM
29°
10%
9 AM
31°
8%
10 AM
32°
5%
11 AM
32°
5%
12 PM
32°
3%
1 PM
33°
9%
2 PM
33°
9%
3 PM
33°
9%
7-Day Forecast
Today
33° 28°
Mostly Clear.
Mon
34° 28°
Partly Cloudy with a 26% chance of rain.
Tue
34° 27°
Partly Cloudy.
Wed
34° 27°
Partly Cloudy with a 56% chance of rain.
Thu
33° 27°
Thunderstorm, 64% chance.
Fri
33° 26°
Partly Cloudy with a 60% chance of rain.
Sat
33° 26°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 6% 15 mph SE 74%
5 PM 31° Partly Cloudy 7% 15 mph SE 75%
6 PM 31° Partly Cloudy 7% 14 mph SE 79%
7 PM 31° Partly Cloudy 7% 13 mph SE 82%
8 PM 30° Mostly Cloudy 7% 13 mph SE 85%
9 PM 29° Mostly Cloudy 4% 13 mph SE 87%
10 PM 29° Mostly Cloudy 6% 13 mph SE 87%
11 PM 29° Partly Cloudy 9% 13 mph SE 88%
12 AM 29° Partly Cloudy 8% 13 mph SE 88%
1 AM 28° Partly Cloudy 19% 12 mph SE 88%
2 AM 28° Partly Cloudy 19% 11 mph SE 89%
3 AM 28° Partly Cloudy 22% 10 mph SSE 89%
4 AM 28° Mostly Cloudy 26% 11 mph SSE 88%
5 AM 28° Partly Cloudy 35% 10 mph SE 86%
6 AM 28° Mostly Cloudy 23% 10 mph SSE 84%
7 AM 29° Mostly Cloudy 10% 10 mph SSE 81%
8 AM 29° Partly Cloudy 10% 10 mph SSE 77%
9 AM 31° Partly Cloudy 8% 11 mph SSE 75%
10 AM 32° Partly Cloudy 5% 12 mph SSE 74%
11 AM 32° Mostly Cloudy 5% 13 mph SSE 72%
12 PM 32° Mostly Cloudy 3% 14 mph SE 70%
1 PM 33° Mostly Cloudy 9% 14 mph SE 71%
2 PM 33° Mostly Cloudy 9% 14 mph SE 72%
3 PM 33° Mostly Cloudy 9% 14 mph SE 74%
15-Day Forecast
Today
9/13
Mostly Clear
7%
28°
33°
Mon
9/14
Partly Cloudy
26%
28°
34°
Tue
9/15
Partly Cloudy
7%
27°
34°
Wed
9/16
Partly Cloudy
56%
27°
34°
Thu
9/17
Thunderstorm
64%
27°
33°
Fri
9/18
Partly Cloudy
60%
26°
33°
Sat
9/19
Mostly Clear
15%
26°
33°
Sun
9/20
Partly Cloudy
60%
26°
34°
Mon
9/21
Partly Cloudy
60%
27°
34°
Tue
9/22
Clear
60%
27°
33°
Wed
9/23
Drizzle
60%
27°
33°
Thu
9/24
Drizzle
60%
27°
33°
Fri
9/25
Drizzle
60%
27°
33°
Sat
9/26
Drizzle
60%
26°
33°
Sun
9/27
Drizzle
60%
26°
33°
40
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
40 AQI 7.3 µg/m³
O3
Ground-level ozone
23 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 40 Good 23 40
Tue 47 Good 23 47
Wed 79 Moderate 24 79
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. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

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 Sep 13, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4190 J/kg
MLCAPE2829 J/kg
MUCAPE4190 J/kg
SBCIN-39 J/kg
MLCIN-106 J/kg
Lifted Index-8.5
Kinematics
0–6 km Shear12 kt
0–1 km Shear7 kt
Eff. Shear11 kt
0–1 km SRH-16
0–3 km SRH15
Eff. SRH15
Storm Motion87° @ 18 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index17.1
Thermo & Levels
PWAT1.65 in
0–3 km LR6.0 °C/km
700–500 LR6.5 °C/km
Total Totals39.7
LCL944 hPa
LFC810 hPa
EL135 hPa
Freezing Lvl16,171 ft