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

Walker County, Texas, United States

Last updated: 4:54 PM CDT  ·  Refresh
33°C
Feels like 37°
Partly Cloudy
▲ 35°  /  ▼ 23°
Wind
9 mph SSE
Humidity
49%
Dew Point
22°
Pressure
29.55 inHg
Visibility
10 mi
UV Index
6.3
Cloud Cover
37%
Sunrise
7:04 AM
Sunset
7:30 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Walker County is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2752 J/kg) — isolated convective development possible. Sunrise: 7:04AM · Sunset: 7:30PM.

36 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
8%
5 PM
34°
9%
6 PM
33°
9%
7 PM
32°
9%
8 PM
31°
9%
9 PM
29°
9%
10 PM
28°
9%
11 PM
28°
4%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
26°
5%
5 AM
23°
5%
6 AM
23°
5%
7 AM
24°
12%
8 AM
26°
16%
9 AM
27°
16%
10 AM
28°
14%
11 AM
31°
24%
12 PM
31°
24%
1 PM
32°
25%
2 PM
32°
25%
3 PM
32°
15%
7-Day Forecast
Today
35° 23°
Partly Cloudy.
Mon
37° 23°
Partly Cloudy.
Tue
37° 23°
Mostly Clear.
Wed
35° 23°
Partly Cloudy.
Thu
35° 23°
Partly Cloudy.
Fri
36° 22°
Partly Cloudy.
Sat
36° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 8% 9 mph SSE 49%
5 PM 34° Mostly Cloudy 9% 9 mph SSE 53%
6 PM 33° Mostly Cloudy 9% 9 mph SSE 57%
7 PM 32° Mostly Cloudy 9% 8 mph SSE 62%
8 PM 31° Partly Cloudy 9% 7 mph SSE 67%
9 PM 29° Partly Cloudy 9% 7 mph SSE 71%
10 PM 28° Partly Cloudy 9% 6 mph SSE 76%
11 PM 28° Mostly Clear 4% 6 mph SSE 81%
12 AM 27° Mostly Clear 3% 5 mph SSE 86%
1 AM 26° Mostly Clear 3% 5 mph S 89%
2 AM 26° Partly Cloudy 3% 4 mph S 91%
3 AM 26° Partly Cloudy 3% 4 mph S 93%
4 AM 26° Partly Cloudy 5% 4 mph SSE 93%
5 AM 23° Mostly Clear 5% 3 mph SSE 93%
6 AM 23° Mostly Clear 5% 3 mph SSE 93%
7 AM 24° Mostly Clear 12% 3 mph SSE 90%
8 AM 26° Mostly Clear 16% 4 mph SSE 83%
9 AM 27° Partly Cloudy 16% 4 mph SSE 78%
10 AM 28° Partly Cloudy 14% 4 mph SSE 74%
11 AM 31° Mostly Clear 24% 4 mph SSE 68%
12 PM 31° Mostly Clear 24% 4 mph SSE 63%
1 PM 32° Partly Cloudy 25% 5 mph SSE 62%
2 PM 32° Partly Cloudy 25% 6 mph SSE 62%
3 PM 32° Partly Cloudy 15% 6 mph SSE 61%
15-Day Forecast
Today
9/13
Partly Cloudy
9%
23°
35°
Mon
9/14
Partly Cloudy
16%
23°
37°
Tue
9/15
Mostly Clear
7%
23°
37°
Wed
9/16
Partly Cloudy
10%
23°
35°
Thu
9/17
Partly Cloudy
6%
23°
35°
Fri
9/18
Partly Cloudy
8%
22°
36°
Sat
9/19
Clear
17%
21°
36°
Sun
9/20
Clear
49%
22°
35°
Mon
9/21
Drizzle
60%
22°
35°
Tue
9/22
Drizzle
77%
22°
33°
Wed
9/23
Drizzle
77%
21°
32°
Thu
9/24
Drizzle
60%
21°
32°
Fri
9/25
Drizzle
60%
20°
32°
Sat
9/26
Clear
25%
20°
32°
Sun
9/27
Clear
60%
20°
32°
36
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
36 AQI 6.4 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 36 Good 31 36
Tue 36 Good 36 30
Wed 36 Good 36 28
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
SBCAPE2426 J/kg
MLCAPE2602 J/kg
MUCAPE2952 J/kg
SBCIN-11 J/kg
MLCIN-46 J/kg
Lifted Index-4.7
Kinematics
0–6 km Shear7 kt
0–1 km Shear7 kt
Eff. Shear11 kt
0–1 km SRH-14
0–3 km SRH48
Eff. SRH48
Storm Motion110° @ 20 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.2
Thermo & Levels
PWAT2.02 in
0–3 km LR7.5 °C/km
700–500 LR5.5 °C/km
Total Totals46.7
LCL852 hPa
LFC820 hPa
EL156 hPa
Freezing Lvl16,207 ft