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

Brazos County, Texas, United States

Last updated: 3:51 PM CDT  ·  Refresh
98°F
Feels like 103°
Clear
▲ 99°  /  ▼ 73°
Wind
9 mph S
Humidity
38%
Dew Point
68°
Pressure
29.60 inHg
Visibility
10 mi
UV Index
7.9
Cloud Cover
10%
Sunrise
7:08 AM
Sunset
7:33 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Brazos County is currently clear at 98°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2493 J/kg) — isolated convective development possible. Sunrise: 7:08AM · Sunset: 7:33PM.

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
29 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
98°
4%
4 PM
99°
10%
5 PM
98°
13%
6 PM
95°
13%
7 PM
92°
13%
8 PM
88°
10%
9 PM
84°
10%
10 PM
83°
5%
11 PM
82°
5%
12 AM
81°
3%
1 AM
79°
3%
2 AM
78°
17%
3 AM
77°
17%
4 AM
77°
17%
5 AM
73°
3%
6 AM
73°
3%
7 AM
75°
3%
8 AM
77°
3%
9 AM
80°
3%
10 AM
85°
3%
11 AM
87°
7%
12 PM
88°
6%
1 PM
92°
7%
2 PM
93°
7%
7-Day Forecast
Today
99° 73°
Mostly Clear.
Mon
101° 73°
Partly Cloudy.
Tue
100° 74°
Mostly Cloudy.
Wed
97° 72°
Partly Cloudy.
Thu
98° 73°
Clear.
Fri
99° 72°
Clear.
Sat
98° 71°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 98° Clear 4% 9 mph S 38%
4 PM 99° Mostly Clear 10% 9 mph SSE 38%
5 PM 98° Partly Cloudy 13% 10 mph SSE 42%
6 PM 95° Partly Cloudy 13% 12 mph S 46%
7 PM 92° Partly Cloudy 13% 11 mph S 54%
8 PM 88° Partly Cloudy 10% 9 mph S 60%
9 PM 84° Partly Cloudy 10% 8 mph S 66%
10 PM 83° Mostly Clear 5% 8 mph S 70%
11 PM 82° Clear 5% 8 mph S 74%
12 AM 81° Clear 3% 8 mph S 77%
1 AM 79° Mostly Clear 3% 7 mph S 80%
2 AM 78° Mostly Clear 17% 6 mph S 84%
3 AM 77° Partly Cloudy 17% 5 mph S 87%
4 AM 77° Mostly Clear 17% 4 mph S 90%
5 AM 73° Mostly Clear 3% 4 mph SSE 92%
6 AM 73° Mostly Clear 3% 3 mph SSE 94%
7 AM 75° Mostly Clear 3% 3 mph SSE 90%
8 AM 77° Mostly Clear 3% 4 mph SSE 82%
9 AM 80° Mostly Clear 3% 5 mph SSE 76%
10 AM 85° Partly Cloudy 3% 6 mph S 70%
11 AM 87° Partly Cloudy 7% 6 mph S 65%
12 PM 88° Partly Cloudy 6% 6 mph S 59%
1 PM 92° Partly Cloudy 7% 7 mph S 57%
2 PM 93° Partly Cloudy 7% 7 mph SSE 55%
15-Day Forecast
Today
9/13
Mostly Clear
13%
73°
99°
Mon
9/14
Partly Cloudy
17%
73°
101°
Tue
9/15
Mostly Cloudy
3%
74°
100°
Wed
9/16
Partly Cloudy
3%
72°
97°
Thu
9/17
Clear
3%
73°
98°
Fri
9/18
Clear
3%
72°
99°
Sat
9/19
Clear
19%
71°
98°
Sun
9/20
Clear
60%
72°
97°
Mon
9/21
Drizzle
60%
72°
96°
Tue
9/22
Drizzle
60%
69°
94°
Wed
9/23
Drizzle
60%
70°
93°
Thu
9/24
Drizzle
60%
70°
93°
Fri
9/25
Drizzle
60%
69°
92°
Sat
9/26
Clear
60%
68°
92°
Sun
9/27
Drizzle
60%
68°
92°
29
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
29 AQI 5.3 µg/m³
O3
Ground-level ozone
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 29 Good 26 29
Tue 31 Good 31 24
Wed 31 Good 31 29
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
SBCAPE1995 J/kg
MLCAPE1302 J/kg
MUCAPE1995 J/kg
SBCIN0 J/kg
MLCIN-12 J/kg
Lifted Index-3.3
Kinematics
0–6 km Shear5 kt
0–1 km Shear2 kt
Eff. Shear12 kt
0–1 km SRH-6
0–3 km SRH6
Eff. SRH6
Storm Motion140° @ 18 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.4
Thermo & Levels
PWAT1.72 in
0–3 km LR8.7 °C/km
700–500 LR5.2 °C/km
Total Totals44.4
LCL792 hPa
LFC1002 hPa
EL165 hPa
Freezing Lvl16,486 ft