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: 3:52 PM CDT  ·  Refresh
33°C
Feels like 39°
Partly Cloudy
▲ 34°  /  ▼ 24°
Wind
8 mph SSE
Humidity
58%
Dew Point
23°
Pressure
29.78 inHg
Visibility
10 mi
UV Index
6.7
Cloud Cover
59%
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 3078 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°
7%
4 PM
33°
8%
5 PM
34°
9%
6 PM
32°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
29°
3%
10 PM
29°
3%
11 PM
28°
3%
12 AM
28°
3%
1 AM
27°
3%
2 AM
27°
5%
3 AM
26°
5%
4 AM
26°
5%
5 AM
24°
5%
6 AM
24°
5%
7 AM
24°
16%
8 AM
26°
20%
9 AM
27°
20%
10 AM
30°
21%
11 AM
31°
33%
12 PM
31°
36%
1 PM
32°
34%
2 PM
32°
34%
7-Day Forecast
Today
34° 24°
Mostly Cloudy.
Mon
37° 24°
Partly Cloudy with a 25% chance of rain.
Tue
36° 24°
Partly Cloudy.
Wed
34° 26°
Partly Cloudy.
Thu
35° 23°
Clear.
Fri
35° 22°
Clear.
Sat
36° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 7% 8 mph SSE 58%
4 PM 33° Mostly Cloudy 8% 9 mph SSE 60%
5 PM 34° Mostly Cloudy 9% 9 mph SSE 62%
6 PM 32° Mostly Cloudy 3% 9 mph SSE 68%
7 PM 32° Partly Cloudy 3% 7 mph SSE 72%
8 PM 31° Partly Cloudy 3% 6 mph SSE 74%
9 PM 29° Partly Cloudy 3% 6 mph SSE 77%
10 PM 29° Mostly Clear 3% 6 mph SSE 81%
11 PM 28° Clear 3% 5 mph SSE 85%
12 AM 28° Clear 3% 4 mph SSE 89%
1 AM 27° Mostly Clear 3% 3 mph SSE 91%
2 AM 27° Mostly Clear 5% 3 mph SSE 92%
3 AM 26° Partly Cloudy 5% 3 mph SSE 93%
4 AM 26° Partly Cloudy 5% 3 mph SSE 94%
5 AM 24° Partly Cloudy 5% 2 mph SE 94%
6 AM 24° Partly Cloudy 5% 2 mph ESE 94%
7 AM 24° Partly Cloudy 16% 2 mph ESE 92%
8 AM 26° Partly Cloudy 20% 3 mph SE 86%
9 AM 27° Partly Cloudy 20% 4 mph SE 83%
10 AM 30° Partly Cloudy 21% 4 mph SE 78%
11 AM 31° Partly Cloudy 33% 4 mph SSE 72%
12 PM 31° Partly Cloudy 36% 5 mph SSE 67%
1 PM 32° Partly Cloudy 34% 5 mph SSE 65%
2 PM 32° Partly Cloudy 34% 6 mph SSE 63%
15-Day Forecast
Today
9/13
Mostly Cloudy
7%
24°
34°
Mon
9/14
Partly Cloudy
25%
24°
37°
Tue
9/15
Partly Cloudy
16%
24°
36°
Wed
9/16
Partly Cloudy
16%
26°
34°
Thu
9/17
Clear
9%
23°
35°
Fri
9/18
Clear
3%
22°
35°
Sat
9/19
Clear
9%
23°
36°
Sun
9/20
Clear
60%
23°
35°
Mon
9/21
Drizzle
60%
23°
34°
Tue
9/22
Drizzle
75%
21°
33°
Wed
9/23
Drizzle
75%
21°
33°
Thu
9/24
Drizzle
60%
22°
33°
Fri
9/25
Drizzle
60%
21°
33°
Sat
9/26
Clear
25%
21°
32°
Sun
9/27
Clear
25%
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, 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
SBCAPE3030 J/kg
MLCAPE2395 J/kg
MUCAPE3030 J/kg
SBCIN-15 J/kg
MLCIN-11 J/kg
Lifted Index-5.5
Kinematics
0–6 km Shear2 kt
0–1 km Shear3 kt
Eff. Shear11 kt
0–1 km SRH-7
0–3 km SRH21
Eff. SRH21
Storm Motion134° @ 18 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.0
Thermo & Levels
PWAT2.01 in
0–3 km LR7.6 °C/km
700–500 LR5.2 °C/km
Total Totals45.9
LCL872 hPa
LFC849 hPa
EL144 hPa
Freezing Lvl16,421 ft