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

Madison County, Texas, United States

Last updated: 1:20 AM CDT  ·  Refresh
28°C
Feels like 31°
Clear
▲ 38°  /  ▼ 22°
Wind
10 mph SSW
Humidity
66%
Dew Point
22°
Pressure
29.67 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:56 AM
Sunset
7:55 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Madison County is currently clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1408 J/kg) — isolated convective development possible. Sunrise: 6:56AM · Sunset: 7:55PM.

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
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
8%
2 AM
28°
8%
3 AM
27°
3%
4 AM
26°
3%
5 AM
26°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
24°
3%
9 AM
27°
3%
10 AM
27°
3%
11 AM
29°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
37°
3%
3 PM
38°
3%
4 PM
38°
3%
5 PM
38°
3%
6 PM
38°
3%
7 PM
38°
12%
8 PM
36°
3%
9 PM
34°
3%
10 PM
33°
3%
11 PM
32°
3%
12 AM
31°
3%
7-Day Forecast
Today
38° 22°
Partly Cloudy.
Wed
42° 22°
Partly Cloudy.
Thu
41° 23°
Mostly Clear with a 50% chance of rain.
Fri
41° 23°
Mostly Clear.
Sat
40° 23°
Clear.
Sun
39° 23°
Clear.
Mon
39° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 8% 10 mph SSW 66%
2 AM 28° Clear 8% 10 mph SSW 72%
3 AM 27° Clear 3% 10 mph SSW 81%
4 AM 26° Clear 3% 9 mph SSW 87%
5 AM 26° Mostly Clear 3% 8 mph SSW 90%
6 AM 22° Mostly Clear 3% 7 mph SSW 93%
7 AM 23° Partly Cloudy 3% 7 mph SSW 92%
8 AM 24° Partly Cloudy 3% 8 mph SW 84%
9 AM 27° Mostly Cloudy 3% 9 mph SW 74%
10 AM 27° Mostly Cloudy 3% 8 mph WSW 64%
11 AM 29° Partly Cloudy 3% 6 mph SW 54%
12 PM 32° Partly Cloudy 3% 6 mph SW 44%
1 PM 33° Partly Cloudy 3% 6 mph SSW 37%
2 PM 37° Partly Cloudy 3% 6 mph SSW 34%
3 PM 38° Mostly Clear 3% 6 mph S 31%
4 PM 38° Mostly Clear 3% 7 mph SSE 29%
5 PM 38° Partly Cloudy 3% 7 mph SSE 30%
6 PM 38° Partly Cloudy 3% 8 mph SSE 32%
7 PM 38° Partly Cloudy 12% 9 mph SSE 35%
8 PM 36° Partly Cloudy 3% 9 mph SSE 40%
9 PM 34° Partly Cloudy 3% 9 mph S 45%
10 PM 33° Partly Cloudy 3% 9 mph S 49%
11 PM 32° Partly Cloudy 3% 9 mph S 53%
12 AM 31° Partly Cloudy 3% 9 mph S 57%
15-Day Forecast
Today
8/25
Partly Cloudy
12%
22°
38°
Wed
8/26
Partly Cloudy
12%
22°
42°
Thu
8/27
Mostly Clear
50%
23°
41°
Fri
8/28
Mostly Clear
16%
23°
41°
Sat
8/29
Clear
16%
23°
40°
Sun
8/30
Clear
8%
23°
39°
Mon
8/31
Clear
17%
22°
39°
Tue
9/1
Drizzle
43%
22°
39°
Wed
9/2
Clear
19%
22°
41°
Thu
9/3
Drizzle
36%
23°
41°
Fri
9/4
Clear
25%
24°
41°
Sat
9/5
Drizzle
60%
24°
40°
Sun
9/6
Clear
25%
23°
39°
Mon
9/7
Drizzle
60%
23°
39°
Tue
9/8
Rain
90%
23°
38°
55
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
55 AQI 11.2 µg/m³
O3
Ground-level ozone
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 55 Moderate 44 55
Wed 51 Moderate 39 51
Thu 52 Moderate 38 52
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, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE690 J/kg
MLCAPE275 J/kg
MUCAPE690 J/kg
SBCIN-581 J/kg
MLCIN-564 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear21 kt
0–1 km Shear9 kt
Eff. Shear—
0–1 km SRH-46
0–3 km SRH-7
Eff. SRH—
Storm Motion110° @ 18 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index13.5
Thermo & Levels
PWAT1.43 in
0–3 km LR4.6 °C/km
700–500 LR7.3 °C/km
Total Totals33.9
LCL911 hPa
LFC615 hPa
EL197 hPa
Freezing Lvl16,253 ft