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

Madison County, Texas, United States

Last updated: 4:54 PM CDT  ·  Refresh
36°C
Feels like 39°
Mostly Clear
▲ 36°  /  ▼ 23°
Wind
8 mph SSE
Humidity
41%
Dew Point
21°
Pressure
29.66 inHg
Visibility
10 mi
UV Index
6.5
Cloud Cover
17%
Sunrise
7:06 AM
Sunset
7:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Madison County is currently mostly clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2373 J/kg) — isolated convective development possible. Sunrise: 7:06AM · Sunset: 7:31PM.

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 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
Expires 6:00 PM
31 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
10%
5 PM
36°
43%
6 PM
34°
24%
7 PM
33°
24%
8 PM
32°
24%
9 PM
30°
24%
10 PM
29°
13%
11 PM
28°
14%
12 AM
28°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
24°
19%
8 AM
26°
23%
9 AM
27°
23%
10 AM
28°
24%
11 AM
31°
24%
12 PM
32°
24%
1 PM
33°
27%
2 PM
34°
32%
3 PM
34°
32%
7-Day Forecast
Today
36° 23°
Mostly Clear with a 24% chance of rain.
Mon
37° 23°
Partly Cloudy with a 39% chance of rain.
Tue
38° 24°
Mostly Clear.
Wed
36° 23°
Partly Cloudy.
Thu
36° 23°
Partly Cloudy.
Fri
36° 22°
Clear.
Sat
36° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 10% 8 mph SSE 41%
5 PM 36° Partly Cloudy 43% 8 mph SSE 45%
6 PM 34° Mostly Clear 24% 8 mph SSE 50%
7 PM 33° Partly Cloudy 24% 9 mph SSE 55%
8 PM 32° Partly Cloudy 24% 8 mph SSE 59%
9 PM 30° Partly Cloudy 24% 8 mph SSE 65%
10 PM 29° Partly Cloudy 13% 7 mph SSE 70%
11 PM 28° Mostly Clear 14% 6 mph S 74%
12 AM 28° Mostly Clear 3% 6 mph S 78%
1 AM 26° Mostly Clear 3% 5 mph S 82%
2 AM 26° Partly Cloudy 3% 4 mph S 87%
3 AM 26° Mostly Clear 3% 4 mph S 91%
4 AM 25° Mostly Clear 3% 3 mph S 92%
5 AM 23° Mostly Clear 3% 3 mph SSE 93%
6 AM 23° Mostly Clear 3% 3 mph SSE 93%
7 AM 24° Mostly Clear 19% 3 mph SSE 90%
8 AM 26° Mostly Clear 23% 4 mph S 84%
9 AM 27° Partly Cloudy 23% 4 mph S 80%
10 AM 28° Mostly Clear 24% 5 mph S 74%
11 AM 31° Mostly Clear 24% 5 mph S 67%
12 PM 32° Mostly Clear 24% 5 mph S 60%
1 PM 33° Mostly Clear 27% 6 mph S 58%
2 PM 34° Partly Cloudy 32% 6 mph SSE 56%
3 PM 34° Partly Cloudy 32% 7 mph SSE 55%
15-Day Forecast
Today
9/13
Mostly Clear
24%
23°
36°
Mon
9/14
Partly Cloudy
39%
23°
37°
Tue
9/15
Mostly Clear
10%
24°
38°
Wed
9/16
Partly Cloudy
15%
23°
36°
Thu
9/17
Partly Cloudy
11%
23°
36°
Fri
9/18
Clear
8%
22°
36°
Sat
9/19
Clear
17%
22°
36°
Sun
9/20
Mostly Clear
43%
22°
35°
Mon
9/21
Drizzle
60%
22°
35°
Tue
9/22
Drizzle
67%
21°
33°
Wed
9/23
Drizzle
67%
21°
33°
Thu
9/24
Clear
60%
21°
33°
Fri
9/25
Drizzle
60%
20°
32°
Sat
9/26
Clear
25%
19°
33°
Sun
9/27
Clear
60%
20°
33°
31
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
31 AQI 5.6 µg/m³
O3
Ground-level ozone
30 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 31 Good 30 31
Tue 35 Good 35 26
Wed 37 Good 37 30
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
SBCAPE2008 J/kg
MLCAPE1842 J/kg
MUCAPE4176 J/kg
SBCIN-3 J/kg
MLCIN-64 J/kg
Lifted Index-3.9
Kinematics
0–6 km Shear8 kt
0–1 km Shear10 kt
Eff. Shear15 kt
0–1 km SRH-23
0–3 km SRH46
Eff. SRH46
Storm Motion113° @ 20 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.0
Thermo & Levels
PWAT1.95 in
0–3 km LR7.9 °C/km
700–500 LR5.6 °C/km
Total Totals47.6
LCL815 hPa
LFC767 hPa
EL162 hPa
Freezing Lvl16,558 ft