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, Wharton, TX, Fort Bend, TX, Inland Jackson, TX, Inland Matagorda, TX, Inland Brazoria, TX, Coastal Jackson, TX 6:00 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, Wharton, TX, Fort Bend, TX, Inland Jackson, TX, Inland Matagorda, TX, Inland Brazoria, TX, Coastal Jackson, TX 6:00 PM

Trinity County, Texas, United States

Last updated: 3:46 PM CDT  ·  Refresh
34°C
Feels like 39°
Clear
▲ 35°  /  ▼ 23°
Wind
6 mph S
Humidity
50%
Dew Point
21°
Pressure
29.65 inHg
Visibility
10 mi
UV Index
7.9
Cloud Cover
5%
Sunrise
7:03 AM
Sunset
7:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Trinity County is currently clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2734 J/kg) — isolated convective development possible. Sunrise: 7:03AM · Sunset: 7:28PM.

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, Wharton, TX, Fort Bend, TX, Inland Jackson, TX, Inland Matagorda, TX, Inland Brazoria, TX, Coastal Jackson, TX
Expires 6:00 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, Wharton, TX, Fort Bend, TX, Inland Jackson, TX, Inland Matagorda, TX, Inland Brazoria, TX, Coastal Jackson, TX
Expires 6:00 PM
28 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
3%
4 PM
35°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
28°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
5%
5 AM
23°
5%
6 AM
23°
5%
7 AM
23°
5%
8 AM
25°
5%
9 AM
26°
5%
10 AM
29°
3%
11 AM
29°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
32°
3%
7-Day Forecast
Today
35° 23°
Clear.
Mon
36° 23°
Partly Cloudy.
Tue
36° 23°
Mostly Clear.
Wed
34° 24°
Partly Cloudy.
Thu
35° 22°
Clear.
Fri
37° 21°
Clear.
Sat
37° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 3% 6 mph S 50%
4 PM 35° Mostly Clear 3% 8 mph S 52%
5 PM 34° Mostly Clear 3% 8 mph S 58%
6 PM 33° Mostly Clear 3% 8 mph SSE 63%
7 PM 32° Mostly Clear 3% 8 mph SSE 69%
8 PM 31° Mostly Clear 3% 7 mph S 72%
9 PM 29° Mostly Clear 3% 6 mph S 76%
10 PM 28° Mostly Clear 3% 6 mph S 79%
11 PM 28° Clear 3% 6 mph S 83%
12 AM 27° Clear 3% 5 mph S 86%
1 AM 26° Clear 3% 5 mph S 89%
2 AM 26° Mostly Clear 3% 4 mph S 92%
3 AM 26° Mostly Clear 3% 4 mph S 94%
4 AM 25° Partly Cloudy 5% 3 mph S 95%
5 AM 23° Partly Cloudy 5% 2 mph S 96%
6 AM 23° Partly Cloudy 5% 2 mph SSE 96%
7 AM 23° Partly Cloudy 5% 3 mph SSE 94%
8 AM 25° Partly Cloudy 5% 3 mph S 88%
9 AM 26° Partly Cloudy 5% 3 mph S 84%
10 AM 29° Partly Cloudy 3% 3 mph S 79%
11 AM 29° Partly Cloudy 3% 3 mph S 73%
12 PM 31° Mostly Clear 3% 4 mph SSE 68%
1 PM 32° Partly Cloudy 3% 4 mph SSE 65%
2 PM 32° Partly Cloudy 3% 4 mph SSE 64%
15-Day Forecast
Today
9/13
Clear
3%
23°
35°
Mon
9/14
Partly Cloudy
7%
23°
36°
Tue
9/15
Mostly Clear
8%
23°
36°
Wed
9/16
Partly Cloudy
8%
24°
34°
Thu
9/17
Clear
3%
22°
35°
Fri
9/18
Clear
9%
21°
37°
Sat
9/19
Clear
9%
22°
37°
Sun
9/20
Clear
60%
22°
35°
Mon
9/21
Drizzle
60%
21°
34°
Tue
9/22
Drizzle
60%
18°
33°
Wed
9/23
Drizzle
60%
18°
32°
Thu
9/24
Drizzle
60%
21°
33°
Fri
9/25
Drizzle
60%
20°
32°
Sat
9/26
Clear
25%
19°
32°
Sun
9/27
Drizzle
60%
19°
32°
28
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
28 AQI 5.1 µg/m³
O3
Ground-level ozone
25 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 28 Good 25 28
Tue 28 Good 28 23
Wed 30 Good 30 22
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 Sun Sep 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2230 J/kg
MLCAPE1329 J/kg
MUCAPE2230 J/kg
SBCIN0 J/kg
MLCIN-16 J/kg
Lifted Index-4.1
Kinematics
0–6 km Shear3 kt
0–1 km Shear1 kt
Eff. Shear11 kt
0–1 km SRH-4
0–3 km SRH8
Eff. SRH8
Storm Motion120° @ 16 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.6
Thermo & Levels
PWAT1.74 in
0–3 km LR7.8 °C/km
700–500 LR5.5 °C/km
Total Totals43.4
LCL831 hPa
LFC1004 hPa
EL156 hPa
Freezing Lvl16,286 ft