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 p. m. 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 p. m.

Walker County, Texas, United States

Last updated: 3:50 p. m. CDT  ·  Refresh
34°C
Feels like 38°
Mostly Clear
▲ 35°  /  ▼ 23°
Wind
8 mph SSE
Humidity
46%
Dew Point
22°
Pressure
29,55 inHg
Visibility
10 mi
UV Index
7,9
Cloud Cover
16%
Sunrise
7:04 a. m.
Sunset
7:30 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Walker County is currently mostly clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3023 J/kg) — isolated convective development possible. Sunrise: 7:04A. M. · Sunset: 7:30P. M..

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 p. m.
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 p. m.
36 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
4%
4 p. m.
34°
5%
5 p. m.
35°
5%
6 p. m.
33°
5%
7 p. m.
32°
5%
8 p. m.
31°
5%
9 p. m.
29°
5%
10 p. m.
28°
5%
11 p. m.
28°
3%
12 a. m.
27°
3%
1 a. m.
26°
3%
2 a. m.
26°
3%
3 a. m.
26°
3%
4 a. m.
26°
5%
5 a. m.
24°
5%
6 a. m.
23°
5%
7 a. m.
24°
15%
8 a. m.
26°
21%
9 a. m.
27°
22%
10 a. m.
29°
19%
11 a. m.
30°
30%
12 p. m.
31°
26%
1 p. m.
32°
26%
2 p. m.
32°
26%
7-Day Forecast
Today
35° 23°
Partly Cloudy.
Mon
36° 23°
Partly Cloudy with a 22% chance of rain.
Tue
37° 24°
Partly Cloudy.
Wed
34° 24°
Partly Cloudy.
Thu
35° 23°
Clear.
Fri
36° 22°
Clear.
Sat
36° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 4% 8 mph SSE 46%
4 p. m. 34° Mostly Clear 5% 9 mph SSE 49%
5 p. m. 35° Partly Cloudy 5% 9 mph SSE 53%
6 p. m. 33° Mostly Cloudy 5% 9 mph SSE 58%
7 p. m. 32° Partly Cloudy 5% 8 mph SSE 63%
8 p. m. 31° Partly Cloudy 5% 8 mph SSE 68%
9 p. m. 29° Mostly Clear 5% 7 mph SSE 72%
10 p. m. 28° Mostly Clear 5% 7 mph SSE 76%
11 p. m. 28° Mostly Clear 3% 6 mph S 82%
12 a. m. 27° Mostly Clear 3% 6 mph S 87%
1 a. m. 26° Mostly Clear 3% 5 mph S 89%
2 a. m. 26° Mostly Clear 3% 5 mph S 91%
3 a. m. 26° Mostly Clear 3% 4 mph S 93%
4 a. m. 26° Mostly Clear 5% 4 mph SSE 94%
5 a. m. 24° Partly Cloudy 5% 3 mph SSE 94%
6 a. m. 23° Partly Cloudy 5% 3 mph SSE 95%
7 a. m. 24° Partly Cloudy 15% 3 mph SSE 91%
8 a. m. 26° Partly Cloudy 21% 4 mph SSE 84%
9 a. m. 27° Partly Cloudy 22% 4 mph SSE 78%
10 a. m. 29° Partly Cloudy 19% 4 mph SSE 75%
11 a. m. 30° Partly Cloudy 30% 5 mph S 72%
12 p. m. 31° Mostly Clear 26% 5 mph S 68%
1 p. m. 32° Partly Cloudy 26% 6 mph S 66%
2 p. m. 32° Partly Cloudy 26% 6 mph SSE 64%
15-Day Forecast
Today
9/13
Partly Cloudy
5%
23°
35°
Mon
9/14
Partly Cloudy
22%
23°
36°
Tue
9/15
Partly Cloudy
8%
24°
37°
Wed
9/16
Partly Cloudy
8%
24°
34°
Thu
9/17
Clear
3%
23°
35°
Fri
9/18
Clear
9%
22°
36°
Sat
9/19
Clear
9%
22°
36°
Sun
9/20
Clear
60%
22°
35°
Mon
9/21
Drizzle
60%
22°
35°
Tue
9/22
Drizzle
75%
20°
33°
Wed
9/23
Drizzle
75%
20°
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
25%
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 dom. sept. 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2759 J/kg
MLCAPE1962 J/kg
MUCAPE2759 J/kg
SBCIN0 J/kg
MLCIN-9 J/kg
Lifted Index-4.7
Kinematics
0–6 km Shear3 kt
0–1 km Shear2 kt
Eff. Shear12 kt
0–1 km SRH-4
0–3 km SRH10
Eff. SRH10
Storm Motion128° @ 17 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.1
Thermo & Levels
PWAT1.90 in
0–3 km LR8.3 °C/km
700–500 LR5.1 °C/km
Total Totals45.4
LCL832 hPa
LFC1001 hPa
EL147 hPa
Freezing Lvl16,240 ft