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

Southern Cross, Liberty County, Texas, 77372, United States

Last updated: 11:22 PM CDT  ·  Refresh
28°C
Feels like 32°
Clear
▲ 35°  /  ▼ 23°
Wind
5 mph S
Humidity
76%
Dew Point
24°
Pressure
29.74 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
6:36 AM
Sunset
8:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Southern Cross is currently clear at 28°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: 6:36AM · Sunset: 8:17PM.

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
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
3%
12 AM
28°
3%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
23°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
34°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
34°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
31°
3%
10 PM
30°
3%
7-Day Forecast
Tonight
35° 23°
Clear.
Tue
36° 23°
Mostly Clear.
Wed
38° 24°
Mostly Clear.
Thu
37° 24°
Partly Cloudy.
Fri
39° 24°
Overcast.
Sat
40° 26°
Clear.
Sun
39° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 3% 5 mph S 76%
12 AM 28° Clear 3% 5 mph SSW 80%
1 AM 27° Clear 3% 5 mph SSW 83%
2 AM 26° Clear 3% 5 mph SSW 86%
3 AM 26° Mostly Clear 3% 4 mph SSW 90%
4 AM 24° Mostly Clear 3% 4 mph SSW 92%
5 AM 23° Mostly Clear 3% 4 mph SSW 92%
6 AM 23° Partly Cloudy 3% 4 mph SW 93%
7 AM 23° Partly Cloudy 3% 5 mph SW 90%
8 AM 26° Partly Cloudy 3% 6 mph SW 83%
9 AM 28° Partly Cloudy 3% 7 mph SW 76%
10 AM 29° Mostly Clear 3% 7 mph SW 69%
11 AM 31° Mostly Clear 3% 7 mph SW 62%
12 PM 32° Mostly Clear 3% 6 mph SW 55%
1 PM 34° Mostly Clear 3% 6 mph SW 50%
2 PM 36° Clear 3% 5 mph SSW 47%
3 PM 36° Clear 3% 5 mph SSW 44%
4 PM 36° Clear 3% 5 mph S 45%
5 PM 36° Clear 3% 6 mph S 51%
6 PM 34° Clear 3% 7 mph SSE 57%
7 PM 33° Clear 3% 8 mph SSE 63%
8 PM 32° Clear 3% 8 mph S 65%
9 PM 31° Clear 3% 7 mph S 67%
10 PM 30° Clear 3% 7 mph S 69%
15-Day Forecast
Today
7/27
Clear
3%
23°
35°
Tue
7/28
Mostly Clear
3%
23°
36°
Wed
7/29
Mostly Clear
7%
24°
38°
Thu
7/30
Partly Cloudy
7%
24°
37°
Fri
7/31
Overcast
3%
24°
39°
Sat
8/1
Clear
17%
26°
40°
Sun
8/2
Clear
19%
24°
39°
Mon
8/3
Rain
18%
22°
39°
Tue
8/4
Clear
29%
21°
37°
Wed
8/5
Clear
44%
23°
38°
Thu
8/6
Drizzle
60%
23°
37°
Fri
8/7
Drizzle
60%
25°
38°
Sat
8/8
Drizzle
60%
24°
37°
Sun
8/9
Drizzle
60%
25°
37°
Mon
8/10
Drizzle
60%
25°
38°
48
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
48 AQI 8.6 µg/m³
O3
Ground-level ozone
42 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 48 Good 42 48
Wed 53 Moderate 39 53
Thu 60 Moderate 37 60
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 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1016 J/kg
MLCAPE1164 J/kg
MUCAPE1495 J/kg
SBCIN-171 J/kg
MLCIN0 J/kg
Lifted Index-1.4
Kinematics
0–6 km Shear18 kt
0–1 km Shear6 kt
Eff. Shear19 kt
0–1 km SRH42
0–3 km SRH12
Eff. SRH12
Storm Motion308° @ 14 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.2
K-Index12.1
Thermo & Levels
PWAT1.50 in
0–3 km LR4.8 °C/km
700–500 LR5.3 °C/km
Total Totals31.5
LCL950 hPa
LFC682 hPa
EL172 hPa
Freezing Lvl18,514 ft