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

Polk County, Texas, United States

Last updated: 4:53 PM CDT  ·  Refresh
33°C
Feels like 39°
Partly Cloudy
▲ 33°  /  ▼ 23°
Wind
6 mph S
Humidity
61%
Dew Point
23°
Pressure
29.64 inHg
Visibility
10 mi
UV Index
5.9
Cloud Cover
48%
Sunrise
7:02 AM
Sunset
7:27 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Polk County is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2932 J/kg) — isolated convective development possible. Sunrise: 7:02AM · Sunset: 7:27PM.

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
26 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
8%
5 PM
33°
9%
6 PM
32°
7%
7 PM
30°
7%
8 PM
29°
7%
9 PM
28°
7%
10 PM
27°
7%
11 PM
27°
4%
12 AM
26°
3%
1 AM
26°
3%
2 AM
25°
5%
3 AM
25°
5%
4 AM
25°
5%
5 AM
23°
5%
6 AM
23°
8%
7 AM
24°
13%
8 AM
25°
14%
9 AM
27°
14%
10 AM
28°
17%
11 AM
30°
17%
12 PM
31°
17%
1 PM
31°
17%
2 PM
31°
18%
3 PM
31°
18%
7-Day Forecast
Today
33° 23°
Partly Cloudy.
Mon
35° 23°
Partly Cloudy.
Tue
36° 23°
Mostly Clear.
Wed
34° 23°
Mostly Clear.
Thu
34° 22°
Partly Cloudy.
Fri
34° 21°
Clear.
Sat
34° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 8% 6 mph S 61%
5 PM 33° Mostly Cloudy 9% 7 mph SSE 69%
6 PM 32° Mostly Cloudy 7% 6 mph SSE 77%
7 PM 30° Mostly Cloudy 7% 6 mph SSE 81%
8 PM 29° Partly Cloudy 7% 6 mph SSE 84%
9 PM 28° Partly Cloudy 7% 5 mph S 86%
10 PM 27° Mostly Clear 7% 5 mph SSE 87%
11 PM 27° Mostly Clear 4% 5 mph SSE 89%
12 AM 26° Mostly Clear 3% 4 mph SSE 90%
1 AM 26° Mostly Clear 3% 4 mph S 92%
2 AM 25° Mostly Clear 5% 4 mph S 94%
3 AM 25° Mostly Clear 5% 3 mph S 95%
4 AM 25° Partly Cloudy 5% 3 mph S 95%
5 AM 23° Partly Cloudy 5% 3 mph SSE 95%
6 AM 23° Partly Cloudy 8% 2 mph SSE 95%
7 AM 24° Partly Cloudy 13% 2 mph SSE 93%
8 AM 25° Partly Cloudy 14% 2 mph S 88%
9 AM 27° Partly Cloudy 14% 2 mph S 84%
10 AM 28° Partly Cloudy 17% 2 mph S 79%
11 AM 30° Partly Cloudy 17% 2 mph S 74%
12 PM 31° Partly Cloudy 17% 2 mph SSE 69%
1 PM 31° Partly Cloudy 17% 2 mph SSE 68%
2 PM 31° Partly Cloudy 18% 3 mph S 68%
3 PM 31° Partly Cloudy 18% 4 mph S 68%
15-Day Forecast
Today
9/13
Partly Cloudy
8%
23°
33°
Mon
9/14
Partly Cloudy
17%
23°
35°
Tue
9/15
Mostly Clear
13%
23°
36°
Wed
9/16
Mostly Clear
18%
23°
34°
Thu
9/17
Partly Cloudy
8%
22°
34°
Fri
9/18
Clear
8%
21°
34°
Sat
9/19
Clear
8%
21°
34°
Sun
9/20
Clear
49%
22°
34°
Mon
9/21
Drizzle
60%
22°
33°
Tue
9/22
Drizzle
68%
21°
33°
Wed
9/23
Drizzle
67%
21°
32°
Thu
9/24
Drizzle
60%
21°
33°
Fri
9/25
Drizzle
60%
20°
33°
Sat
9/26
Clear
25%
19°
33°
Sun
9/27
Drizzle
60%
19°
33°
26
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
26 AQI 4.7 µg/m³
O3
Ground-level ozone
Dominant
26 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 26 Good 26 26
Tue 25 Good 25 21
Wed 28 Good 28 20
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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3009 J/kg
MLCAPE2222 J/kg
MUCAPE3063 J/kg
SBCIN-18 J/kg
MLCIN-68 J/kg
Lifted Index-5.5
Kinematics
0–6 km Shear8 kt
0–1 km Shear5 kt
Eff. Shear10 kt
0–1 km SRH-13
0–3 km SRH26
Eff. SRH26
Storm Motion124° @ 19 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.1
Thermo & Levels
PWAT1.89 in
0–3 km LR7.4 °C/km
700–500 LR5.3 °C/km
Total Totals44.8
LCL877 hPa
LFC830 hPa
EL147 hPa
Freezing Lvl16,552 ft