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

Polk County, Texas, United States

Last updated: 9:35 PM CDT  ·  Refresh
30°C
Feels like 34°
Clear
▲ 35°  /  ▼ 23°
Wind
6 mph S
Humidity
71%
Dew Point
23°
Pressure
29.54 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
6:33 AM
Sunset
8:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Polk County is currently clear at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1389 J/kg) — isolated convective development possible. Sunrise: 6:33AM · Sunset: 8:17PM.

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
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
3%
10 PM
29°
3%
11 PM
29°
3%
12 AM
28°
3%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
34°
3%
2 PM
35°
3%
3 PM
36°
3%
4 PM
37°
3%
5 PM
35°
3%
6 PM
35°
3%
7 PM
34°
3%
8 PM
33°
3%
7-Day Forecast
Tonight
35° 23°
Clear.
Tue
37° 23°
Mostly Clear.
Wed
37° 23°
Partly Cloudy.
Thu
37° 23°
Mostly Cloudy.
Fri
38° 24°
Clear.
Sat
39° 25°
Clear with a 21% chance of rain.
Sun
38° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 30° Clear 3% 6 mph S 71%
10 PM 29° Clear 3% 6 mph S 78%
11 PM 29° Clear 3% 7 mph S 79%
12 AM 28° Clear 3% 6 mph SSW 81%
1 AM 27° Clear 3% 6 mph SSW 83%
2 AM 26° Clear 3% 5 mph SSW 86%
3 AM 26° Clear 3% 4 mph SSW 89%
4 AM 25° Clear 3% 4 mph SW 91%
5 AM 23° Mostly Clear 3% 4 mph SW 92%
6 AM 23° Mostly Clear 3% 4 mph SW 94%
7 AM 24° Partly Cloudy 3% 6 mph SW 90%
8 AM 26° Partly Cloudy 3% 7 mph SW 82%
9 AM 28° Partly Cloudy 3% 7 mph WSW 75%
10 AM 29° Partly Cloudy 3% 7 mph WSW 68%
11 AM 31° Mostly Clear 3% 7 mph WSW 61%
12 PM 32° Clear 3% 6 mph SW 54%
1 PM 34° Clear 3% 6 mph SW 49%
2 PM 35° Clear 3% 6 mph SW 46%
3 PM 36° Clear 3% 6 mph SW 43%
4 PM 37° Clear 3% 6 mph SW 43%
5 PM 35° Clear 3% 6 mph SW 44%
6 PM 35° Clear 3% 6 mph SSW 46%
7 PM 34° Clear 3% 6 mph SSW 51%
8 PM 33° Clear 3% 7 mph SSW 58%
15-Day Forecast
Today
7/27
Clear
3%
23°
35°
Tue
7/28
Mostly Clear
3%
23°
37°
Wed
7/29
Partly Cloudy
3%
23°
37°
Thu
7/30
Mostly Cloudy
3%
23°
37°
Fri
7/31
Clear
8%
24°
38°
Sat
8/1
Clear
21%
25°
39°
Sun
8/2
Clear
17%
23°
38°
Mon
8/3
Rain
13%
22°
39°
Tue
8/4
Rain
44%
21°
37°
Wed
8/5
Clear
19%
23°
38°
Thu
8/6
Drizzle
60%
23°
38°
Fri
8/7
Drizzle
60%
24°
38°
Sat
8/8
Drizzle
60%
23°
37°
Sun
8/9
Drizzle
60%
23°
38°
Mon
8/10
Drizzle
60%
23°
38°
39
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
39 AQI 7.1 µg/m³
O3
Ground-level ozone
30 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 39 Good 30 39
Wed 46 Good 30 46
Thu 58 Moderate 26 58
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
SBCAPE1110 J/kg
MLCAPE1184 J/kg
MUCAPE1316 J/kg
SBCIN-159 J/kg
MLCIN0 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear19 kt
0–1 km Shear9 kt
Eff. Shear21 kt
0–1 km SRH60
0–3 km SRH24
Eff. SRH24
Storm Motion310° @ 16 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.2
STP (eff)0.0
Supercell0.3
K-Index20.0
Thermo & Levels
PWAT1.55 in
0–3 km LR5.4 °C/km
700–500 LR5.6 °C/km
Total Totals38.8
LCL909 hPa
LFC679 hPa
EL170 hPa
Freezing Lvl18,176 ft