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

Montgomery County, Texas, United States

Last updated: 5:00 PM CDT  ·  Refresh
33°C
Feels like 39°
Partly Cloudy
▲ 35°  /  ▼ 24°
Wind
8 mph SSE
Humidity
58%
Dew Point
23°
Pressure
29.79 inHg
Visibility
10 mi
UV Index
5.9
Cloud Cover
45%
Sunrise
7:04 AM
Sunset
7:29 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Montgomery County is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3066 J/kg) — isolated convective development possible. Sunrise: 7:04AM · Sunset: 7:29PM.

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
40 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
10%
6 PM
33°
12%
7 PM
32°
7%
8 PM
31°
7%
9 PM
31°
4%
10 PM
29°
4%
11 PM
29°
4%
12 AM
28°
4%
1 AM
28°
3%
2 AM
27°
3%
3 AM
26°
5%
4 AM
26°
5%
5 AM
26°
5%
6 AM
24°
5%
7 AM
24°
5%
8 AM
25°
19%
9 AM
26°
19%
10 AM
28°
20%
11 AM
28°
23%
12 PM
31°
33%
1 PM
32°
36%
2 PM
32°
34%
3 PM
32°
24%
4 PM
32°
24%
7-Day Forecast
Today
35° 24°
Partly Cloudy.
Mon
37° 24°
Partly Cloudy with a 23% chance of rain.
Tue
37° 23°
Mostly Clear.
Wed
34° 24°
Partly Cloudy.
Thu
34° 24°
Mostly Cloudy.
Fri
35° 23°
Clear.
Sat
35° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 10% 8 mph SSE 58%
6 PM 33° Mostly Cloudy 12% 9 mph SSE 62%
7 PM 32° Mostly Cloudy 7% 8 mph SSE 68%
8 PM 31° Mostly Cloudy 7% 7 mph SSE 72%
9 PM 31° Partly Cloudy 4% 6 mph SSE 74%
10 PM 29° Partly Cloudy 4% 6 mph SSE 76%
11 PM 29° Mostly Clear 4% 5 mph SSE 80%
12 AM 28° Mostly Clear 4% 4 mph SSE 84%
1 AM 28° Partly Cloudy 3% 4 mph SSE 88%
2 AM 27° Partly Cloudy 3% 3 mph SSE 90%
3 AM 26° Mostly Clear 5% 3 mph SSE 91%
4 AM 26° Mostly Clear 5% 3 mph SSE 93%
5 AM 26° Mostly Clear 5% 3 mph SE 92%
6 AM 24° Mostly Clear 5% 3 mph SE 92%
7 AM 24° Mostly Clear 5% 3 mph ESE 92%
8 AM 25° Partly Cloudy 19% 2 mph ESE 89%
9 AM 26° Partly Cloudy 19% 3 mph SE 83%
10 AM 28° Partly Cloudy 20% 3 mph SE 81%
11 AM 28° Partly Cloudy 23% 3 mph SE 76%
12 PM 31° Partly Cloudy 33% 4 mph SE 71%
1 PM 32° Partly Cloudy 36% 4 mph SE 66%
2 PM 32° Partly Cloudy 34% 4 mph SE 66%
3 PM 32° Partly Cloudy 24% 5 mph SE 66%
4 PM 32° Mostly Cloudy 24% 6 mph SE 66%
15-Day Forecast
Today
9/13
Partly Cloudy
10%
24°
35°
Mon
9/14
Partly Cloudy
23%
24°
37°
Tue
9/15
Mostly Clear
14%
23°
37°
Wed
9/16
Partly Cloudy
18%
24°
34°
Thu
9/17
Mostly Cloudy
16%
24°
34°
Fri
9/18
Clear
6%
23°
35°
Sat
9/19
Clear
8%
22°
35°
Sun
9/20
Clear
60%
23°
35°
Mon
9/21
Drizzle
60%
23°
34°
Tue
9/22
Drizzle
77%
22°
33°
Wed
9/23
Drizzle
72%
21°
33°
Thu
9/24
Drizzle
60%
22°
33°
Fri
9/25
Drizzle
60%
21°
33°
Sat
9/26
Clear
25%
21°
33°
Sun
9/27
Clear
60%
21°
32°
40
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
40 AQI 7.3 µg/m³
O3
Ground-level ozone
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 40 Good 34 40
Tue 37 Good 36 37
Wed 42 Good 42 36
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
SBCAPE2497 J/kg
MLCAPE2797 J/kg
MUCAPE3366 J/kg
SBCIN-22 J/kg
MLCIN-46 J/kg
Lifted Index-5.3
Kinematics
0–6 km Shear8 kt
0–1 km Shear7 kt
Eff. Shear11 kt
0–1 km SRH-17
0–3 km SRH30
Eff. SRH30
Storm Motion116° @ 21 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.8
Thermo & Levels
PWAT2.20 in
0–3 km LR7.4 °C/km
700–500 LR5.6 °C/km
Total Totals47.0
LCL869 hPa
LFC820 hPa
EL157 hPa
Freezing Lvl16,319 ft