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

Waller County, Texas, United States

Last updated: 3:51 PM CDT  ·  Refresh
33°C
Feels like 37°
Partly Cloudy
▲ 34°  /  ▼ 24°
Wind
11 mph SSE
Humidity
51%
Dew Point
22°
Pressure
29.77 inHg
Visibility
10 mi
UV Index
7.1
Cloud Cover
53%
Sunrise
7:07 AM
Sunset
7:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Waller County is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2859 J/kg) — isolated convective development possible. Sunrise: 7:07AM · Sunset: 7:31PM.

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
23 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
11%
4 PM
33°
5%
5 PM
33°
5%
6 PM
32°
3%
7 PM
31°
3%
8 PM
30°
3%
9 PM
28°
3%
10 PM
27°
3%
11 PM
27°
3%
12 AM
27°
3%
1 AM
26°
6%
2 AM
26°
14%
3 AM
26°
14%
4 AM
26°
14%
5 AM
24°
19%
6 AM
24°
20%
7 AM
26°
26%
8 AM
27°
20%
9 AM
28°
31%
10 AM
30°
31%
11 AM
31°
32%
12 PM
32°
32%
1 PM
32°
33%
2 PM
32°
44%
7-Day Forecast
Today
34° 24°
Mostly Cloudy.
Mon
36° 24°
Rain, 45% chance.
Tue
36° 23°
Partly Cloudy with a 20% chance of rain.
Wed
34° 24°
Partly Cloudy.
Thu
36° 23°
Clear with a 25% chance of rain.
Fri
36° 22°
Clear.
Sat
36° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 11% 11 mph SSE 51%
4 PM 33° Mostly Cloudy 5% 13 mph SSE 53%
5 PM 33° Overcast 5% 11 mph SSE 60%
6 PM 32° Overcast 3% 9 mph SSE 66%
7 PM 31° Mostly Cloudy 3% 7 mph SSE 70%
8 PM 30° Partly Cloudy 3% 7 mph SSE 74%
9 PM 28° Partly Cloudy 3% 7 mph SSE 79%
10 PM 27° Mostly Clear 3% 7 mph SSE 82%
11 PM 27° Mostly Clear 3% 6 mph SSE 86%
12 AM 27° Mostly Clear 3% 5 mph SSE 90%
1 AM 26° Mostly Clear 6% 5 mph SSE 92%
2 AM 26° Mostly Clear 14% 5 mph SSE 93%
3 AM 26° Mostly Clear 14% 5 mph SSE 94%
4 AM 26° Mostly Clear 14% 4 mph SE 95%
5 AM 24° Mostly Clear 19% 4 mph SE 95%
6 AM 24° Partly Cloudy 20% 4 mph SE 95%
7 AM 26° Mostly Clear 26% 4 mph SE 89%
8 AM 27° Mostly Clear 20% 5 mph SE 80%
9 AM 28° Clear 31% 5 mph SSE 73%
10 AM 30° Mostly Clear 31% 6 mph SSE 69%
11 AM 31° Mostly Clear 32% 6 mph SSE 64%
12 PM 32° Partly Cloudy 32% 7 mph SSE 60%
1 PM 32° Partly Cloudy 33% 7 mph SE 62%
2 PM 32° Partly Cloudy 44% 8 mph SE 66%
15-Day Forecast
Today
9/13
Mostly Cloudy
11%
24°
34°
Mon
9/14
Rain
45%
24°
36°
Tue
9/15
Partly Cloudy
20%
23°
36°
Wed
9/16
Partly Cloudy
16%
24°
34°
Thu
9/17
Clear
25%
23°
36°
Fri
9/18
Clear
3%
22°
36°
Sat
9/19
Clear
9%
22°
36°
Sun
9/20
Clear
60%
22°
36°
Mon
9/21
Drizzle
60%
23°
36°
Tue
9/22
Drizzle
60%
22°
34°
Wed
9/23
Drizzle
60%
22°
33°
Thu
9/24
Drizzle
60%
22°
34°
Fri
9/25
Clear
60%
21°
33°
Sat
9/26
Clear
25%
21°
33°
Sun
9/27
Drizzle
60%
21°
33°
23
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
23 AQI 4.1 µg/m³
O3
Ground-level ozone
21 AQI 23 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 23 Good 21 23
Tue 25 Good 25 24
Wed 28 Good 28 27
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
SBCAPE2099 J/kg
MLCAPE2161 J/kg
MUCAPE2635 J/kg
SBCIN-30 J/kg
MLCIN-33 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear4 kt
0–1 km Shear4 kt
Eff. Shear9 kt
0–1 km SRH18
0–3 km SRH34
Eff. SRH34
Storm Motion42° @ 11 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.2
Thermo & Levels
PWAT1.87 in
0–3 km LR7.5 °C/km
700–500 LR5.4 °C/km
Total Totals45.0
LCL852 hPa
LFC790 hPa
EL161 hPa
Freezing Lvl16,368 ft