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: 11:37 PM CDT  ·  Refresh
27°C
Feels like 31°
Mostly Clear
▲ 34°  /  ▼ 24°
Wind
6 mph SSW
Humidity
86%
Dew Point
25°
Pressure
29.88 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
11%
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 mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1894 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
33 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
12 AM
27°
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
25°
3%
8 AM
27°
3%
9 AM
28°
8%
10 AM
29°
8%
11 AM
31°
8%
12 PM
32°
8%
1 PM
33°
8%
2 PM
34°
8%
3 PM
34°
8%
4 PM
33°
3%
5 PM
34°
3%
6 PM
32°
3%
7 PM
31°
3%
8 PM
30°
3%
9 PM
29°
3%
10 PM
28°
3%
7-Day Forecast
Tonight
34° 24°
Mostly Clear.
Tue
34° 24°
Mostly Clear.
Wed
36° 25°
Mostly Clear.
Thu
35° 26°
Mostly Clear.
Fri
37° 25°
Overcast.
Sat
37° 26°
Clear.
Sun
37° 26°
Rain, 55% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 3% 6 mph SSW 86%
12 AM 27° Clear 3% 6 mph SSW 87%
1 AM 27° Mostly Clear 3% 6 mph SSW 89%
2 AM 26° Mostly Clear 3% 5 mph SSW 90%
3 AM 26° Mostly Clear 3% 6 mph SSW 90%
4 AM 26° Mostly Clear 3% 6 mph SSW 90%
5 AM 24° Mostly Clear 3% 5 mph SW 90%
6 AM 24° Mostly Clear 3% 5 mph SW 90%
7 AM 25° Mostly Clear 3% 6 mph SW 86%
8 AM 27° Mostly Clear 3% 7 mph SW 79%
9 AM 28° Mostly Clear 8% 8 mph SW 72%
10 AM 29° Mostly Clear 8% 8 mph SW 66%
11 AM 31° Mostly Clear 8% 8 mph SW 61%
12 PM 32° Mostly Clear 8% 7 mph SW 55%
1 PM 33° Mostly Clear 8% 8 mph SSW 53%
2 PM 34° Partly Cloudy 8% 9 mph S 53%
3 PM 34° Partly Cloudy 8% 11 mph S 54%
4 PM 33° Partly Cloudy 3% 12 mph S 57%
5 PM 34° Mostly Clear 3% 12 mph S 61%
6 PM 32° Mostly Clear 3% 12 mph S 65%
7 PM 31° Mostly Clear 3% 12 mph S 69%
8 PM 30° Mostly Clear 3% 11 mph S 74%
9 PM 29° Mostly Clear 3% 10 mph S 79%
10 PM 28° Partly Cloudy 3% 10 mph SSW 81%
15-Day Forecast
Today
7/27
Mostly Clear
3%
24°
34°
Tue
7/28
Mostly Clear
8%
24°
34°
Wed
7/29
Mostly Clear
3%
25°
36°
Thu
7/30
Mostly Clear
3%
26°
35°
Fri
7/31
Overcast
5%
25°
37°
Sat
8/1
Clear
8%
26°
37°
Sun
8/2
Rain
55%
26°
37°
Mon
8/3
Thunderstorm
33%
25°
36°
Tue
8/4
Thunderstorm
44%
26°
34°
Wed
8/5
Clear
44%
27°
34°
Thu
8/6
Drizzle
60%
26°
34°
Fri
8/7
Drizzle
60%
28°
34°
Sat
8/8
Drizzle
60%
28°
34°
Sun
8/9
Clear
60%
28°
34°
Mon
8/10
Drizzle
60%
28°
34°
33
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
33 AQI 5.9 µg/m³
O3
Ground-level ozone
19 AQI 21 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 33 Good 19 33
Wed 47 Good 19 47
Thu 53 Moderate 18 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 Tue Jul 28, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1305 J/kg
MLCAPE578 J/kg
MUCAPE1305 J/kg
SBCIN-154 J/kg
MLCIN0 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear21 kt
0–1 km Shear6 kt
Eff. Shear19 kt
0–1 km SRH35
0–3 km SRH13
Eff. SRH13
Storm Motion305° @ 15 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.2
STP (eff)0.0
Supercell0.2
K-Index10.3
Thermo & Levels
PWAT1.42 in
0–3 km LR4.5 °C/km
700–500 LR5.4 °C/km
Total Totals28.1
LCL980 hPa
LFC696 hPa
EL164 hPa
Freezing Lvl18,438 ft