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

Walker County, Texas, United States

Last updated: 3:38 AM CDT  ·  Refresh
79°F
Feels like 84°
Clear
▲ 99°  /  ▼ 75°
Wind
9 mph SSW
Humidity
84%
Dew Point
74°
Pressure
29.57 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
6%
Sunrise
6:54 AM
Sunset
7:53 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Walker County is currently clear at 79°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1786 J/kg) — isolated convective development possible. Sunrise: 6:54AM · Sunset: 7:53PM.

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
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
79°
3%
4 AM
80°
3%
5 AM
74°
3%
6 AM
73°
3%
7 AM
75°
3%
8 AM
78°
3%
9 AM
79°
3%
10 AM
82°
3%
11 AM
85°
3%
12 PM
88°
3%
1 PM
95°
3%
2 PM
97°
3%
3 PM
98°
3%
4 PM
98°
3%
5 PM
99°
3%
6 PM
97°
3%
7 PM
95°
3%
8 PM
94°
3%
9 PM
92°
3%
10 PM
89°
3%
11 PM
88°
3%
12 AM
86°
3%
1 AM
86°
3%
2 AM
85°
7%
7-Day Forecast
Today
99° 75°
Mostly Clear.
Wed
104° 75°
Partly Cloudy with a 26% chance of rain.
Thu
106° 75°
Mostly Clear with a 57% chance of rain.
Fri
102° 75°
Partly Cloudy with a 44% chance of rain.
Sat
104° 73°
Clear.
Sun
102° 73°
Clear.
Mon
102° 72°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 79° Clear 3% 9 mph SSW 84%
4 AM 80° Clear 3% 8 mph SSW 86%
5 AM 74° Mostly Clear 3% 7 mph SSW 89%
6 AM 73° Mostly Clear 3% 6 mph SSW 91%
7 AM 75° Partly Cloudy 3% 6 mph SW 88%
8 AM 78° Partly Cloudy 3% 7 mph SW 82%
9 AM 79° Partly Cloudy 3% 7 mph SW 75%
10 AM 82° Partly Cloudy 3% 6 mph WSW 66%
11 AM 85° Partly Cloudy 3% 4 mph SW 58%
12 PM 88° Mostly Clear 3% 4 mph SW 49%
1 PM 95° Mostly Clear 3% 4 mph S 44%
2 PM 97° Mostly Clear 3% 4 mph SSE 39%
3 PM 98° Mostly Clear 3% 6 mph SSE 35%
4 PM 98° Mostly Clear 3% 7 mph SSE 35%
5 PM 99° Mostly Clear 3% 7 mph SSE 37%
6 PM 97° Clear 3% 7 mph SSE 39%
7 PM 95° Clear 3% 8 mph SSE 44%
8 PM 94° Clear 3% 8 mph SSE 50%
9 PM 92° Clear 3% 9 mph SSE 57%
10 PM 89° Clear 3% 9 mph S 62%
11 PM 88° Clear 3% 9 mph S 65%
12 AM 86° Clear 3% 8 mph S 67%
1 AM 86° Clear 3% 8 mph SSW 70%
2 AM 85° Mostly Clear 7% 8 mph SSW 73%
15-Day Forecast
Today
8/25
Mostly Clear
3%
75°
99°
Wed
8/26
Partly Cloudy
26%
75°
104°
Thu
8/27
Mostly Clear
57%
75°
106°
Fri
8/28
Partly Cloudy
44%
75°
102°
Sat
8/29
Clear
8%
73°
104°
Sun
8/30
Clear
16%
73°
102°
Mon
8/31
Clear
3%
72°
102°
Tue
9/1
Clear
18%
72°
102°
Wed
9/2
Clear
19%
72°
104°
Thu
9/3
Clear
36%
73°
102°
Fri
9/4
Drizzle
60%
75°
103°
Sat
9/5
Drizzle
60%
75°
103°
Sun
9/6
Drizzle
60%
75°
101°
Mon
9/7
Drizzle
60%
75°
100°
Tue
9/8
Drizzle
60%
75°
100°
54
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
54 AQI 10.8 µg/m³
O3
Ground-level ozone
47 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 47 54
Wed 48 Good 44 48
Thu 51 Moderate 41 51
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
SBCAPE1277 J/kg
MLCAPE592 J/kg
MUCAPE1277 J/kg
SBCIN-376 J/kg
MLCIN-449 J/kg
Lifted Index-4.3
Kinematics
0–6 km Shear21 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH-44
0–3 km SRH-1
Eff. SRH—
Storm Motion105° @ 17 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index20.3
Thermo & Levels
PWAT1.57 in
0–3 km LR4.3 °C/km
700–500 LR7.0 °C/km
Total Totals39.9
LCL954 hPa
LFC655 hPa
EL186 hPa
Freezing Lvl15,984 ft