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

Waller County, Texas, United States

Last updated: 9:36 PM CDT  ·  Refresh
29°C
Feels like 33°
Clear
▲ 34°  /  ▼ 23°
Wind
10 mph SSW
Humidity
71%
Dew Point
24°
Pressure
29.69 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
3%
Sunrise
6:40 AM
Sunset
8:20 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Waller County is currently clear at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1246 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 8:20PM.

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
38 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
3%
10 PM
29°
3%
11 PM
28°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
5%
3 AM
25°
6%
4 AM
25°
6%
5 AM
23°
6%
6 AM
23°
3%
7 AM
25°
3%
8 AM
27°
3%
9 AM
28°
3%
10 AM
30°
3%
11 AM
31°
3%
12 PM
33°
3%
1 PM
34°
3%
2 PM
35°
3%
3 PM
36°
3%
4 PM
37°
3%
5 PM
36°
3%
6 PM
35°
3%
7 PM
34°
3%
8 PM
32°
3%
7-Day Forecast
Tonight
34° 23°
Clear.
Tue
38° 23°
Mostly Clear.
Wed
38° 23°
Partly Cloudy.
Thu
38° 24°
Mostly Clear.
Fri
40° 23°
Clear.
Sat
42° 24°
Clear.
Sun
41° 24°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 29° Clear 3% 10 mph SSW 71%
10 PM 29° Clear 3% 10 mph S 75%
11 PM 28° Clear 3% 9 mph S 81%
12 AM 27° Mostly Clear 3% 8 mph S 87%
1 AM 26° Mostly Clear 3% 7 mph S 90%
2 AM 26° Mostly Clear 5% 6 mph S 92%
3 AM 25° Partly Cloudy 6% 6 mph S 94%
4 AM 25° Partly Cloudy 6% 5 mph SSW 95%
5 AM 23° Partly Cloudy 6% 5 mph SSW 95%
6 AM 23° Mostly Cloudy 3% 5 mph SSW 95%
7 AM 25° Partly Cloudy 3% 6 mph SSW 90%
8 AM 27° Partly Cloudy 3% 8 mph SW 81%
9 AM 28° Mostly Clear 3% 10 mph SW 72%
10 AM 30° Mostly Clear 3% 10 mph SW 65%
11 AM 31° Mostly Clear 3% 10 mph SSW 58%
12 PM 33° Mostly Clear 3% 9 mph SSW 52%
1 PM 34° Partly Cloudy 3% 9 mph SSW 48%
2 PM 35° Partly Cloudy 3% 10 mph SSW 46%
3 PM 36° Partly Cloudy 3% 10 mph S 44%
4 PM 37° Partly Cloudy 3% 11 mph S 45%
5 PM 36° Partly Cloudy 3% 11 mph S 47%
6 PM 35° Partly Cloudy 3% 12 mph S 49%
7 PM 34° Partly Cloudy 3% 12 mph SSW 55%
8 PM 32° Partly Cloudy 3% 11 mph SSW 62%
15-Day Forecast
Today
7/27
Clear
3%
23°
34°
Tue
7/28
Mostly Clear
6%
23°
38°
Wed
7/29
Partly Cloudy
7%
23°
38°
Thu
7/30
Mostly Clear
3%
24°
38°
Fri
7/31
Clear
3%
23°
40°
Sat
8/1
Clear
8%
24°
42°
Sun
8/2
Clear
31%
24°
41°
Mon
8/3
Thunderstorm
49%
23°
40°
Tue
8/4
Rain
44%
23°
38°
Wed
8/5
Clear
44%
24°
39°
Thu
8/6
Clear
60%
24°
38°
Fri
8/7
Drizzle
60%
24°
39°
Sat
8/8
Clear
25%
23°
39°
Sun
8/9
Clear
25%
24°
39°
Mon
8/10
Drizzle
60%
24°
39°
38
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
38 AQI 6.8 µg/m³
O3
Ground-level ozone
24 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 38 Good 24 38
Wed 52 Moderate 22 52
Thu 57 Moderate 21 57
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
SBCAPE1222 J/kg
MLCAPE1146 J/kg
MUCAPE1331 J/kg
SBCIN-176 J/kg
MLCIN0 J/kg
Lifted Index-1.5
Kinematics
0–6 km Shear23 kt
0–1 km Shear4 kt
Eff. Shear23 kt
0–1 km SRH27
0–3 km SRH9
Eff. SRH9
Storm Motion298° @ 15 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.2
K-Index16.5
Thermo & Levels
PWAT1.52 in
0–3 km LR5.1 °C/km
700–500 LR5.4 °C/km
Total Totals35.6
LCL928 hPa
LFC653 hPa
EL168 hPa
Freezing Lvl18,369 ft