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: 11:28 PM CDT  ·  Refresh
28°C
Feels like 31°
Clear
▲ 35°  /  ▼ 23°
Wind
6 mph S
Humidity
78%
Dew Point
24°
Pressure
29.55 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 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1072 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
28°
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
36°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
37°
3%
6 PM
35°
3%
7 PM
34°
3%
8 PM
33°
3%
9 PM
31°
3%
10 PM
30°
3%
7-Day Forecast
Tonight
35° 23°
Clear.
Tue
37° 23°
Mostly Clear.
Wed
38° 23°
Partly Cloudy.
Thu
37° 24°
Mostly Clear.
Fri
38° 23°
Overcast with a 22% chance of rain.
Sat
39° 25°
Clear.
Sun
38° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 3% 6 mph S 78%
12 AM 28° Clear 3% 6 mph S 81%
1 AM 27° Clear 3% 6 mph SSW 84%
2 AM 26° Clear 3% 5 mph SSW 87%
3 AM 26° Clear 3% 5 mph SSW 90%
4 AM 25° Clear 3% 5 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% 5 mph SW 90%
8 AM 26° Partly Cloudy 3% 7 mph SW 82%
9 AM 28° Partly Cloudy 3% 7 mph WSW 74%
10 AM 29° Mostly Clear 3% 8 mph WSW 67%
11 AM 31° Mostly Clear 3% 7 mph WSW 60%
12 PM 32° Clear 3% 6 mph WSW 54%
1 PM 34° Clear 3% 6 mph SW 49%
2 PM 36° Clear 3% 6 mph SW 46%
3 PM 36° Clear 3% 6 mph SW 43%
4 PM 36° Clear 3% 6 mph SW 43%
5 PM 37° Clear 3% 6 mph SSW 45%
6 PM 35° Clear 3% 6 mph SSW 47%
7 PM 34° Clear 3% 6 mph SSW 51%
8 PM 33° Clear 3% 6 mph SSW 58%
9 PM 31° Clear 3% 7 mph SSW 64%
10 PM 30° Clear 3% 7 mph SSW 69%
15-Day Forecast
Today
7/27
Clear
3%
23°
35°
Tue
7/28
Mostly Clear
3%
23°
37°
Wed
7/29
Partly Cloudy
7%
23°
38°
Thu
7/30
Mostly Clear
3%
24°
37°
Fri
7/31
Overcast
22%
23°
38°
Sat
8/1
Clear
17%
25°
39°
Sun
8/2
Clear
17%
23°
38°
Mon
8/3
Rain
13%
22°
39°
Tue
8/4
Clear
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, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE813 J/kg
MLCAPE684 J/kg
MUCAPE1457 J/kg
SBCIN-235 J/kg
MLCIN0 J/kg
Lifted Index-1.5
Kinematics
0–6 km Shear18 kt
0–1 km Shear7 kt
Eff. Shear21 kt
0–1 km SRH56
0–3 km SRH17
Eff. SRH17
Storm Motion308° @ 14 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.3
K-Index18.3
Thermo & Levels
PWAT1.44 in
0–3 km LR4.8 °C/km
700–500 LR5.5 °C/km
Total Totals37.4
LCL941 hPa
LFC535 hPa
EL178 hPa
Freezing Lvl18,212 ft