Heat Advisory — McMullen, TX, Live Oak, TX, Bee, TX, Goliad, TX, Victoria, TX, Duval, TX, Jim Wells, TX, Inland Kleberg, TX, Inland Nueces, TX, Inland San Patricio, TX, Coastal Aransas, TX, Inland Refugio, TX, Inland Calhoun, TX, Coastal Kleberg, TX, Coastal Nueces, TX, Coastal San Patricio, TX, Coastal Refugio, TX, Coastal Calhoun, TX 7:00 PM

Portland, Texas

Last updated: 6:10 PM CDT  ·  Refresh
31°C
Feels like 38°
Partly Cloudy
▲ 34°  /  ▼ 28°
Wind
17 mph SE
Humidity
75%
Dew Point
25°
Pressure
29.92 inHg
Visibility
10 mi
UV Index
4.4
Cloud Cover
34%
Sunrise
7:13 AM
Sunset
7:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Portland is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3579 J/kg) — isolated convective development possible. Sunrise: 7:13AM · Sunset: 7:34PM.

Alerts

Heat Advisory
McMullen, TX, Live Oak, TX, Bee, TX, Goliad, TX, Victoria, TX, Duval, TX, Jim Wells, TX, Inland Kleberg, TX, Inland Nueces, TX, Inland San Patricio, TX, Coastal Aransas, TX, Inland Refugio, TX, Inland Calhoun, TX, Coastal Kleberg, TX, Coastal Nueces, TX, Coastal San Patricio, TX, Coastal Refugio, TX, Coastal Calhoun, TX
Expires 7:00 PM
38 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
7%
7 PM
30°
23%
8 PM
29°
23%
9 PM
29°
23%
10 PM
29°
23%
11 PM
29°
23%
12 AM
29°
16%
1 AM
29°
4%
2 AM
28°
4%
3 AM
28°
4%
4 AM
28°
4%
5 AM
28°
3%
6 AM
28°
3%
7 AM
28°
3%
8 AM
29°
4%
9 AM
29°
4%
10 AM
32°
4%
11 AM
32°
8%
12 PM
32°
8%
1 PM
33°
8%
2 PM
33°
8%
3 PM
33°
8%
4 PM
33°
5%
5 PM
33°
5%
7-Day Forecast
Tonight
34° 28°
Partly Cloudy with a 23% chance of rain.
Tue
35° 28°
Mostly Clear.
Wed
36° 28°
Partly Cloudy.
Thu
34° 28°
Mostly Cloudy with a 75% chance of rain.
Fri
34° 27°
Partly Cloudy with a 90% chance of rain.
Sat
34° 26°
Drizzle, 46% chance.
Sun
34° 26°
Mostly Clear with a 46% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 7% 17 mph SE 75%
7 PM 30° Partly Cloudy 23% 18 mph SE 78%
8 PM 29° Partly Cloudy 23% 16 mph SE 79%
9 PM 29° Partly Cloudy 23% 16 mph SSE 79%
10 PM 29° Mostly Clear 23% 16 mph SSE 80%
11 PM 29° Mostly Clear 23% 16 mph SSE 80%
12 AM 29° Mostly Clear 16% 15 mph SSE 81%
1 AM 29° Mostly Clear 4% 15 mph SSE 82%
2 AM 28° Mostly Clear 4% 14 mph SSE 83%
3 AM 28° Mostly Clear 4% 13 mph S 84%
4 AM 28° Partly Cloudy 4% 12 mph S 85%
5 AM 28° Partly Cloudy 3% 11 mph S 86%
6 AM 28° Partly Cloudy 3% 10 mph S 86%
7 AM 28° Mostly Cloudy 3% 10 mph S 86%
8 AM 29° Partly Cloudy 4% 10 mph SSE 81%
9 AM 29° Partly Cloudy 4% 11 mph SSE 76%
10 AM 32° Partly Cloudy 4% 12 mph SSE 72%
11 AM 32° Partly Cloudy 8% 12 mph SSE 69%
12 PM 32° Partly Cloudy 8% 13 mph SSE 67%
1 PM 33° Partly Cloudy 8% 13 mph SSE 66%
2 PM 33° Partly Cloudy 8% 14 mph SSE 67%
3 PM 33° Partly Cloudy 8% 14 mph SSE 67%
4 PM 33° Mostly Clear 5% 14 mph SSE 68%
5 PM 33° Mostly Clear 5% 15 mph SE 70%
15-Day Forecast
Today
9/14
Partly Cloudy
23%
28°
34°
Tue
9/15
Mostly Clear
16%
28°
35°
Wed
9/16
Partly Cloudy
17%
28°
36°
Thu
9/17
Mostly Cloudy
75%
28°
34°
Fri
9/18
Partly Cloudy
90%
27°
34°
Sat
9/19
Drizzle
46%
26°
34°
Sun
9/20
Mostly Clear
46%
26°
34°
Mon
9/21
Drizzle
60%
27°
34°
Tue
9/22
Drizzle
60%
27°
34°
Wed
9/23
Drizzle
60%
27°
34°
Thu
9/24
Thunderstorm
54%
27°
35°
Fri
9/25
Drizzle
60%
26°
34°
Sat
9/26
Drizzle
60%
26°
34°
Sun
9/27
Drizzle
60%
26°
34°
Mon
9/28
Drizzle
60%
26°
34°
38
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
38 AQI 6.9 µg/m³
O3
Ground-level ozone
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 38 Good 24 38
Wed 71 Moderate 24 71
Thu 53 Moderate 33 53
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 Mon Sep 14, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3876 J/kg
MLCAPE2753 J/kg
MUCAPE3876 J/kg
SBCIN-49 J/kg
MLCIN-75 J/kg
Lifted Index-8.8
Kinematics
0–6 km Shear13 kt
0–1 km Shear3 kt
Eff. Shear9 kt
0–1 km SRH5
0–3 km SRH42
Eff. SRH42
Storm Motion76° @ 9 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.4
Thermo & Levels
PWAT1.83 in
0–3 km LR6.3 °C/km
700–500 LR6.5 °C/km
Total Totals47.2
LCL937 hPa
LFC820 hPa
EL140 hPa
Freezing Lvl16,050 ft