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: 4:49 AM CDT  ·  Refresh
26°C
Feels like 29°
Clear
▲ 38°  /  ▼ 23°
Wind
7 mph SSW
Humidity
90%
Dew Point
23°
Pressure
29.68 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
7%
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 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1382 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
26°
3%
5 AM
23°
14%
6 AM
22°
14%
7 AM
23°
14%
8 AM
26°
14%
9 AM
27°
14%
10 AM
28°
16%
11 AM
31°
9%
12 PM
33°
4%
1 PM
36°
5%
2 PM
37°
5%
3 PM
38°
5%
4 PM
38°
5%
5 PM
38°
5%
6 PM
38°
5%
7 PM
36°
5%
8 PM
34°
5%
9 PM
33°
5%
10 PM
33°
3%
11 PM
31°
3%
12 AM
30°
3%
1 AM
30°
3%
2 AM
29°
3%
3 AM
28°
3%
7-Day Forecast
Today
38° 23°
Partly Cloudy.
Wed
41° 23°
Mostly Clear with a 26% chance of rain.
Thu
42° 23°
Partly Cloudy with a 57% chance of rain.
Fri
40° 23°
Partly Cloudy.
Sat
41° 22°
Clear.
Sun
40° 22°
Clear.
Mon
40° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 7 mph SSW 90%
5 AM 23° Clear 14% 7 mph SSW 91%
6 AM 22° Mostly Clear 14% 6 mph SSW 94%
7 AM 23° Mostly Clear 14% 7 mph SW 88%
8 AM 26° Partly Cloudy 14% 9 mph SW 79%
9 AM 27° Mostly Cloudy 14% 8 mph SW 70%
10 AM 28° Partly Cloudy 16% 7 mph SW 61%
11 AM 31° Partly Cloudy 9% 7 mph SW 50%
12 PM 33° Mostly Clear 4% 6 mph SW 40%
1 PM 36° Partly Cloudy 5% 6 mph SSW 35%
2 PM 37° Partly Cloudy 5% 6 mph S 31%
3 PM 38° Partly Cloudy 5% 7 mph S 28%
4 PM 38° Partly Cloudy 5% 8 mph SSE 29%
5 PM 38° Partly Cloudy 5% 8 mph SSE 31%
6 PM 38° Partly Cloudy 5% 9 mph SSE 33%
7 PM 36° Mostly Clear 5% 9 mph SSE 37%
8 PM 34° Mostly Clear 5% 9 mph S 42%
9 PM 33° Mostly Clear 5% 9 mph S 47%
10 PM 33° Mostly Clear 3% 9 mph S 52%
11 PM 31° Partly Cloudy 3% 10 mph SSW 56%
12 AM 30° Partly Cloudy 3% 10 mph SSW 60%
1 AM 30° Mostly Clear 3% 10 mph SSW 63%
2 AM 29° Mostly Clear 3% 9 mph SSW 67%
3 AM 28° Clear 3% 8 mph SSW 71%
15-Day Forecast
Today
8/25
Partly Cloudy
16%
23°
38°
Wed
8/26
Mostly Clear
26%
23°
41°
Thu
8/27
Partly Cloudy
57%
23°
42°
Fri
8/28
Partly Cloudy
14%
23°
40°
Sat
8/29
Clear
3%
22°
41°
Sun
8/30
Clear
3%
22°
40°
Mon
8/31
Clear
3%
21°
40°
Tue
9/1
Clear
18%
22°
39°
Wed
9/2
Drizzle
44%
22°
41°
Thu
9/3
Drizzle
51%
22°
41°
Fri
9/4
Clear
60%
24°
41°
Sat
9/5
Drizzle
60%
23°
40°
Sun
9/6
Drizzle
60%
23°
39°
Mon
9/7
Drizzle
60%
24°
38°
Tue
9/8
Drizzle
60%
24°
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, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1272 J/kg
MLCAPE532 J/kg
MUCAPE1482 J/kg
SBCIN-428 J/kg
MLCIN-513 J/kg
Lifted Index-4.3
Kinematics
0–6 km Shear16 kt
0–1 km Shear14 kt
Eff. Shear—
0–1 km SRH-33
0–3 km SRH-15
Eff. SRH—
Storm Motion103° @ 15 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index18.2
Thermo & Levels
PWAT1.52 in
0–3 km LR3.7 °C/km
700–500 LR7.3 °C/km
Total Totals39.4
LCL976 hPa
LFC654 hPa
EL187 hPa
Freezing Lvl15,997 ft