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.

Madison County, Texas, United States

Last updated: 3:50 p. m. CDT  ·  Refresh
36°C
Feels like 39°
Mostly Clear
▲ 37°  /  ▼ 23°
Wind
9 mph SSE
Humidity
41%
Dew Point
21°
Pressure
29,66 inHg
Visibility
10 mi
UV Index
7,9
Cloud Cover
22%
Sunrise
7:06 a. m.
Sunset
7:31 p. m.
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 2624 J/kg) — isolated convective development possible. Sunrise: 7:06A. M. · Sunset: 7:31P. 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.
31 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
7%
4 p. m.
36°
21%
5 p. m.
37°
21%
6 p. m.
34°
21%
7 p. m.
33°
21%
8 p. m.
31°
21%
9 p. m.
29°
21%
10 p. m.
29°
10%
11 p. m.
28°
10%
12 a. m.
28°
3%
1 a. m.
27°
3%
2 a. m.
26°
7%
3 a. m.
26°
6%
4 a. m.
26°
7%
5 a. m.
23°
3%
6 a. m.
23°
3%
7 a. m.
24°
19%
8 a. m.
26°
20%
9 a. m.
27°
20%
10 a. m.
30°
20%
11 a. m.
31°
21%
12 p. m.
31°
21%
1 p. m.
33°
24%
2 p. m.
33°
29%
7-Day Forecast
Today
37° 23°
Mostly Clear with a 21% chance of rain.
Mon
37° 23°
Partly Cloudy with a 33% chance of rain.
Tue
37° 24°
Mostly Clear.
Wed
36° 23°
Partly Cloudy.
Thu
36° 23°
Clear.
Fri
36° 22°
Clear.
Sat
36° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 7% 9 mph SSE 41%
4 p. m. 36° Mostly Clear 21% 8 mph SSE 42%
5 p. m. 37° Mostly Clear 21% 9 mph SE 45%
6 p. m. 34° Mostly Clear 21% 11 mph SE 51%
7 p. m. 33° Clear 21% 9 mph SE 56%
8 p. m. 31° Partly Cloudy 21% 9 mph SSE 61%
9 p. m. 29° Mostly Clear 21% 8 mph SSE 67%
10 p. m. 29° Clear 10% 7 mph S 72%
11 p. m. 28° Partly Cloudy 10% 7 mph S 77%
12 a. m. 28° Mostly Clear 3% 6 mph S 81%
1 a. m. 27° Mostly Clear 3% 5 mph S 84%
2 a. m. 26° Mostly Clear 7% 4 mph S 87%
3 a. m. 26° Partly Cloudy 6% 4 mph S 89%
4 a. m. 26° Partly Cloudy 7% 4 mph S 91%
5 a. m. 23° Partly Cloudy 3% 3 mph SSE 92%
6 a. m. 23° Partly Cloudy 3% 3 mph SSE 93%
7 a. m. 24° Mostly Clear 19% 3 mph SSE 89%
8 a. m. 26° Mostly Clear 20% 4 mph S 81%
9 a. m. 27° Clear 20% 4 mph S 74%
10 a. m. 30° Mostly Clear 20% 5 mph S 70%
11 a. m. 31° Mostly Clear 21% 5 mph S 67%
12 p. m. 31° Mostly Clear 21% 6 mph S 63%
1 p. m. 33° Partly Cloudy 24% 6 mph S 61%
2 p. m. 33° Partly Cloudy 29% 7 mph S 60%
15-Day Forecast
Today
9/13
Mostly Clear
21%
23°
37°
Mon
9/14
Partly Cloudy
33%
23°
37°
Tue
9/15
Mostly Clear
8%
24°
37°
Wed
9/16
Partly Cloudy
8%
23°
36°
Thu
9/17
Clear
3%
23°
36°
Fri
9/18
Clear
9%
22°
36°
Sat
9/19
Clear
19%
22°
36°
Sun
9/20
Clear
60%
22°
35°
Mon
9/21
Drizzle
60%
22°
35°
Tue
9/22
Drizzle
60%
19°
33°
Wed
9/23
Drizzle
60%
20°
33°
Thu
9/24
Clear
60%
21°
33°
Fri
9/25
Drizzle
60%
20°
32°
Sat
9/26
Clear
25%
19°
32°
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 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
SBCAPE2413 J/kg
MLCAPE1500 J/kg
MUCAPE2413 J/kg
SBCIN0 J/kg
MLCIN-6 J/kg
Lifted Index-4.0
Kinematics
0–6 km Shear4 kt
0–1 km Shear3 kt
Eff. Shear11 kt
0–1 km SRH-5
0–3 km SRH10
Eff. SRH10
Storm Motion115° @ 16 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.0
Thermo & Levels
PWAT1.79 in
0–3 km LR8.5 °C/km
700–500 LR5.2 °C/km
Total Totals44.9
LCL814 hPa
LFC1004 hPa
EL155 hPa
Freezing Lvl16,463 ft