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, Matagorda Islands, TX, Brazoria Islands, TX, Galveston Island, TX, Bolivar Peninsula, TX 7:00 PM

Polk County, Texas, United States

Last updated: 3:40 AM CDT  ·  Refresh
26°C
Feels like 30°
Clear
▲ 38°  /  ▼ 24°
Wind
6 mph SSW
Humidity
85%
Dew Point
23°
Pressure
29.64 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
9%
Sunrise
6:51 AM
Sunset
7:50 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Polk County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1817 J/kg) — isolated convective development possible. Sunrise: 6:51AM · Sunset: 7:50PM.

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, Matagorda Islands, TX, Brazoria Islands, TX, Galveston Island, TX, Bolivar Peninsula, TX
Expires 7:00 PM
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
4 AM
27°
3%
5 AM
24°
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°
16%
1 PM
36°
14%
2 PM
36°
14%
3 PM
37°
13%
4 PM
36°
13%
5 PM
38°
3%
6 PM
37°
3%
7 PM
36°
3%
8 PM
34°
3%
9 PM
32°
3%
10 PM
30°
3%
11 PM
29°
3%
12 AM
29°
3%
1 AM
29°
3%
2 AM
29°
3%
7-Day Forecast
Today
38° 24°
Partly Cloudy.
Wed
40° 24°
Mostly Clear.
Thu
41° 23°
Clear with a 42% chance of rain.
Fri
38° 23°
Overcast with a 68% chance of rain.
Sat
40° 22°
Drizzle, 37% chance.
Sun
39° 22°
Clear with a 22% chance of rain.
Mon
39° 22°
Rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 6 mph SSW 85%
4 AM 27° Mostly Clear 3% 6 mph SSW 87%
5 AM 24° Mostly Clear 3% 5 mph SSW 89%
6 AM 23° Partly Cloudy 3% 4 mph SSW 92%
7 AM 24° Mostly Clear 3% 4 mph SW 87%
8 AM 26° Mostly Clear 3% 6 mph SW 80%
9 AM 28° Mostly Clear 3% 6 mph WSW 72%
10 AM 29° Partly Cloudy 3% 5 mph WSW 64%
11 AM 31° Partly Cloudy 3% 4 mph W 56%
12 PM 32° Rain 16% 3 mph W 48%
1 PM 36° Partly Cloudy 14% 2 mph WSW 45%
2 PM 36° Partly Cloudy 14% 3 mph S 43%
3 PM 37° Partly Cloudy 13% 4 mph SSE 41%
4 PM 36° Partly Cloudy 13% 5 mph SSE 42%
5 PM 38° Mostly Clear 3% 6 mph SSE 44%
6 PM 37° Mostly Clear 3% 6 mph SSE 46%
7 PM 36° Mostly Clear 3% 6 mph SSE 52%
8 PM 34° Mostly Clear 3% 7 mph SSE 59%
9 PM 32° Mostly Clear 3% 7 mph S 66%
10 PM 30° Mostly Clear 3% 7 mph S 72%
11 PM 29° Mostly Clear 3% 7 mph S 75%
12 AM 29° Clear 3% 6 mph S 78%
1 AM 29° Clear 3% 6 mph S 79%
2 AM 29° Clear 3% 6 mph S 79%
15-Day Forecast
Today
8/25
Partly Cloudy
16%
24°
38°
Wed
8/26
Mostly Clear
6%
24°
40°
Thu
8/27
Clear
42%
23°
41°
Fri
8/28
Overcast
68%
23°
38°
Sat
8/29
Drizzle
37%
22°
40°
Sun
8/30
Clear
22%
22°
39°
Mon
8/31
Rain
19%
22°
39°
Tue
9/1
Drizzle
42%
22°
39°
Wed
9/2
Clear
19%
22°
41°
Thu
9/3
Drizzle
51%
23°
39°
Fri
9/4
Clear
25%
24°
41°
Sat
9/5
Drizzle
60%
23°
41°
Sun
9/6
Drizzle
60%
24°
39°
Mon
9/7
Drizzle
60%
24°
39°
Tue
9/8
Drizzle
60%
24°
39°
56
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
56 AQI 12.0 µg/m³
O3
Ground-level ozone
48 AQI 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 56 Moderate 48 56
Wed 48 Good 43 48
Thu 53 Moderate 47 53
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 Aug 25, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1281 J/kg
MLCAPE613 J/kg
MUCAPE1281 J/kg
SBCIN-363 J/kg
MLCIN-417 J/kg
Lifted Index-4.1
Kinematics
0–6 km Shear20 kt
0–1 km Shear11 kt
Eff. Shear—
0–1 km SRH-54
0–3 km SRH-9
Eff. SRH—
Storm Motion92° @ 16 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index16.5
Thermo & Levels
PWAT1.60 in
0–3 km LR4.4 °C/km
700–500 LR6.8 °C/km
Total Totals33.1
LCL959 hPa
LFC669 hPa
EL186 hPa
Freezing Lvl15,965 ft