Severe Thunderstorm Watch 7:00 PM Heat Advisory — Houston, TX, Trinity, TX, Madison, TX, Walker, TX, San Jacinto, TX, Polk, TX, Burleson, TX, Brazos, TX, Washington, TX, Grimes, TX, Montgomery, TX, Northern Liberty, TX, Colorado, TX, Austin, TX, Waller, TX, Inland Harris, TX, Chambers, TX, Wharton, TX, Fort Bend, TX, Inland Jackson, TX, Inland Matagorda, TX, Inland Brazoria, TX, Inland Galveston, TX, Southern Liberty, TX, Coastal Harris, TX, Coastal Jackson, TX, Coastal Matagorda, TX, Coastal Brazoria, TX, Coastal Galveston, TX 7:00 PM

La Porte, Texas

Last updated: 6:09 PM CDT  ·  Refresh
33°C
Feels like 38°
Clear
▲ 34°  /  ▼ 24°
Wind
9 mph SSE
Humidity
55%
Dew Point
23°
Pressure
29.87 inHg
Visibility
10 mi
UV Index
5.4
Cloud Cover
5%
Sunrise
6:37 AM
Sunset
8:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: La Porte is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1492 J/kg) — isolated convective development possible. Sunrise: 6:37AM · Sunset: 8:16PM.

Alerts

Severe Thunderstorm Watch
Expires 7:00 PM
Heat Advisory
Houston, TX, Trinity, TX, Madison, TX, Walker, TX, San Jacinto, TX, Polk, TX, Burleson, TX, Brazos, TX, Washington, TX, Grimes, TX, Montgomery, TX, Northern Liberty, TX, Colorado, TX, Austin, TX, Waller, TX, Inland Harris, TX, Chambers, TX, Wharton, TX, Fort Bend, TX, Inland Jackson, TX, Inland Matagorda, TX, Inland Brazoria, TX, Inland Galveston, TX, Southern Liberty, TX, Coastal Harris, TX, Coastal Jackson, TX, Coastal Matagorda, TX, Coastal Brazoria, TX, Coastal Galveston, TX
Expires 7:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
7%
7 PM
32°
11%
8 PM
31°
11%
9 PM
30°
11%
10 PM
29°
8%
11 PM
29°
8%
12 AM
28°
4%
1 AM
28°
3%
2 AM
27°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
27°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
27°
3%
9 AM
28°
8%
10 AM
29°
8%
11 AM
30°
8%
12 PM
31°
10%
1 PM
33°
10%
2 PM
34°
13%
3 PM
34°
13%
4 PM
34°
13%
5 PM
34°
15%
7-Day Forecast
Tonight
34° 24°
Clear.
Tue
37° 24°
Mostly Clear.
Wed
36° 25°
Partly Cloudy.
Thu
36° 25°
Partly Cloudy.
Fri
37° 26°
Partly Cloudy.
Sat
38° 27°
Overcast with a 22% chance of rain.
Sun
36° 27°
Overcast with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 7% 9 mph SSE 55%
7 PM 32° Clear 11% 11 mph S 61%
8 PM 31° Mostly Clear 11% 10 mph S 65%
9 PM 30° Mostly Clear 11% 9 mph S 70%
10 PM 29° Mostly Clear 8% 8 mph SSW 74%
11 PM 29° Mostly Clear 8% 8 mph SSW 78%
12 AM 28° Mostly Clear 4% 7 mph SSW 81%
1 AM 28° Mostly Clear 3% 6 mph SSW 84%
2 AM 27° Mostly Clear 3% 6 mph SSW 85%
3 AM 27° Mostly Clear 3% 6 mph SW 86%
4 AM 27° Mostly Clear 3% 5 mph SW 86%
5 AM 27° Mostly Clear 3% 5 mph SW 86%
6 AM 24° Mostly Clear 3% 5 mph SW 86%
7 AM 25° Mostly Clear 3% 5 mph SW 84%
8 AM 27° Mostly Clear 3% 6 mph SW 78%
9 AM 28° Mostly Clear 8% 7 mph SW 71%
10 AM 29° Clear 8% 7 mph SW 65%
11 AM 30° Clear 8% 7 mph SW 59%
12 PM 31° Clear 10% 6 mph SW 54%
1 PM 33° Clear 10% 6 mph SSW 49%
2 PM 34° Clear 13% 7 mph SSW 50%
3 PM 34° Clear 13% 8 mph S 50%
4 PM 34° Mostly Clear 13% 9 mph S 51%
5 PM 34° Clear 15% 10 mph S 54%
15-Day Forecast
Today
7/27
Clear
11%
24°
34°
Tue
7/28
Mostly Clear
10%
24°
37°
Wed
7/29
Partly Cloudy
9%
25°
36°
Thu
7/30
Partly Cloudy
5%
25°
36°
Fri
7/31
Partly Cloudy
7%
26°
37°
Sat
8/1
Overcast
22%
27°
38°
Sun
8/2
Overcast
35%
27°
36°
Mon
8/3
Mostly Clear
28%
26°
36°
Tue
8/4
Drizzle
47%
26°
35°
Wed
8/5
Clear
27%
26°
36°
Thu
8/6
Clear
39%
25°
36°
Fri
8/7
Drizzle
60%
26°
35°
Sat
8/8
Drizzle
60%
27°
34°
Sun
8/9
Drizzle
60%
27°
35°
Mon
8/10
Drizzle
60%
26°
35°
53
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
53 AQI 10.1 µg/m³
O3
Ground-level ozone
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 53 Moderate 30 53
Wed 57 Moderate 26 57
Thu 61 Moderate 26 61
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 Jul 27, 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
SBCAPE1711 J/kg
MLCAPE394 J/kg
MUCAPE1711 J/kg
SBCIN-20 J/kg
MLCIN0 J/kg
Lifted Index-2.1
Kinematics
0–6 km Shear15 kt
0–1 km Shear5 kt
Eff. Shear19 kt
0–1 km SRH13
0–3 km SRH-1
Eff. SRH-1
Storm Motion268° @ 17 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index24.1
Thermo & Levels
PWAT1.68 in
0–3 km LR6.7 °C/km
700–500 LR5.1 °C/km
Total Totals38.3
LCL879 hPa
LFC866 hPa
EL154 hPa
Freezing Lvl18,323 ft