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

League City, Texas

Last updated: 9:40 PM CDT  ·  Refresh
28°C
Feels like 32°
Clear
▲ 34°  /  ▼ 24°
Wind
9 mph SSW
Humidity
81%
Dew Point
25°
Pressure
29.88 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
6:37 AM
Sunset
8:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: League City is currently clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2109 J/kg) — isolated convective development possible. Sunrise: 6:37AM · Sunset: 8:15PM.

Alerts

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
31 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
3%
10 PM
28°
3%
11 PM
28°
3%
12 AM
28°
3%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
33°
3%
2 PM
33°
3%
3 PM
33°
3%
4 PM
33°
3%
5 PM
32°
3%
6 PM
31°
3%
7 PM
31°
3%
8 PM
30°
3%
7-Day Forecast
Tonight
34° 24°
Clear.
Tue
34° 24°
Partly Cloudy.
Wed
34° 25°
Partly Cloudy.
Thu
33° 25°
Partly Cloudy.
Fri
36° 26°
Clear.
Sat
37° 26°
Clear.
Sun
37° 27°
Thunderstorm, 49% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 3% 9 mph SSW 81%
10 PM 28° Clear 3% 8 mph SSW 82%
11 PM 28° Clear 3% 8 mph SSW 85%
12 AM 28° Clear 3% 8 mph SSW 88%
1 AM 27° Clear 3% 7 mph SSW 89%
2 AM 26° Mostly Clear 3% 7 mph SSW 90%
3 AM 26° Mostly Clear 3% 6 mph SW 90%
4 AM 26° Mostly Clear 3% 6 mph SW 90%
5 AM 24° Mostly Clear 3% 6 mph SW 90%
6 AM 24° Mostly Clear 3% 6 mph SW 90%
7 AM 26° Mostly Clear 3% 6 mph SW 86%
8 AM 27° Partly Cloudy 3% 7 mph SW 80%
9 AM 28° Mostly Clear 3% 8 mph SW 73%
10 AM 29° Mostly Clear 3% 8 mph SW 68%
11 AM 30° Partly Cloudy 3% 7 mph SW 63%
12 PM 31° Partly Cloudy 3% 6 mph SSW 58%
1 PM 33° Partly Cloudy 3% 7 mph S 57%
2 PM 33° Partly Cloudy 3% 9 mph S 59%
3 PM 33° Partly Cloudy 3% 11 mph S 60%
4 PM 33° Partly Cloudy 3% 11 mph S 63%
5 PM 32° Partly Cloudy 3% 12 mph S 67%
6 PM 31° Partly Cloudy 3% 12 mph S 70%
7 PM 31° Partly Cloudy 3% 11 mph S 73%
8 PM 30° Partly Cloudy 3% 10 mph S 77%
15-Day Forecast
Today
7/27
Clear
3%
24°
34°
Tue
7/28
Partly Cloudy
3%
24°
34°
Wed
7/29
Partly Cloudy
7%
25°
34°
Thu
7/30
Partly Cloudy
6%
25°
33°
Fri
7/31
Clear
3%
26°
36°
Sat
8/1
Clear
8%
26°
37°
Sun
8/2
Thunderstorm
49%
27°
37°
Mon
8/3
Thunderstorm
33%
25°
35°
Tue
8/4
Thunderstorm
44%
26°
33°
Wed
8/5
Thunderstorm
44%
27°
33°
Thu
8/6
Drizzle
60%
26°
34°
Fri
8/7
Drizzle
60%
28°
33°
Sat
8/8
Drizzle
60%
28°
33°
Sun
8/9
Clear
60%
28°
33°
Mon
8/10
Drizzle
60%
28°
33°
31
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
31 AQI 5.5 µg/m³
O3
Ground-level ozone
19 AQI 22 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 31 Good 19 31
Wed 44 Good 19 44
Thu 52 Moderate 18 52
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 Tue Jul 28, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1603 J/kg
MLCAPE1072 J/kg
MUCAPE1603 J/kg
SBCIN-135 J/kg
MLCIN0 J/kg
Lifted Index-2.4
Kinematics
0–6 km Shear23 kt
0–1 km Shear5 kt
Eff. Shear23 kt
0–1 km SRH30
0–3 km SRH6
Eff. SRH6
Storm Motion299° @ 17 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.2
STP (eff)0.0
Supercell0.1
K-Index10.1
Thermo & Levels
PWAT1.46 in
0–3 km LR4.9 °C/km
700–500 LR5.3 °C/km
Total Totals27.1
LCL963 hPa
LFC756 hPa
EL156 hPa
Freezing Lvl18,340 ft