Heat Advisory — Llano, TX, Burnet, TX, Williamson, TX, Hays, TX, Travis, TX, Bastrop, TX, Lee, TX, Bexar, TX, Comal, TX, Guadalupe, TX, Caldwell, TX, Fayette, TX, Atascosa, TX, Wilson, TX, Karnes, TX, Gonzales, TX, De Witt, TX, Lavaca, TX 7:00 PM

Bexar County, Texas, United States

Last updated: 10:07 PM CDT  ·  Refresh
32°C
Feels like 36°
Clear
▲ 38°  /  ▼ 23°
Wind
9 mph SSE
Humidity
55%
Dew Point
20°
Pressure
29.24 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
7:05 AM
Sunset
8:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Bexar County is currently clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1726 J/kg) — isolated convective development possible. Sunrise: 7:05AM · Sunset: 8:08PM.

Alerts

Heat Advisory
Llano, TX, Burnet, TX, Williamson, TX, Hays, TX, Travis, TX, Bastrop, TX, Lee, TX, Bexar, TX, Comal, TX, Guadalupe, TX, Caldwell, TX, Fayette, TX, Atascosa, TX, Wilson, TX, Karnes, TX, Gonzales, TX, De Witt, TX, Lavaca, TX
Expires 7:00 PM
62 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
3%
11 PM
31°
3%
12 AM
30°
3%
1 AM
29°
3%
2 AM
28°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
27°
3%
6 AM
23°
3%
7 AM
23°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
31°
3%
12 PM
33°
3%
1 PM
35°
3%
2 PM
37°
3%
3 PM
38°
3%
4 PM
38°
3%
5 PM
41°
3%
6 PM
39°
3%
7 PM
39°
3%
8 PM
38°
3%
9 PM
37°
3%
7-Day Forecast
Tonight
38° 23°
Clear.
Sat
41° 23°
Partly Cloudy.
Sun
40° 25°
Partly Cloudy.
Mon
39° 22°
Clear.
Tue
39° 23°
Clear.
Wed
39° 23°
Drizzle, 43% chance.
Thu
37° 24°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Clear 3% 9 mph SSE 55%
11 PM 31° Clear 3% 9 mph SSE 54%
12 AM 30° Clear 3% 8 mph SSE 62%
1 AM 29° Clear 3% 6 mph S 66%
2 AM 28° Clear 3% 4 mph S 69%
3 AM 27° Clear 3% 4 mph SSE 70%
4 AM 27° Clear 3% 3 mph SSE 72%
5 AM 27° Partly Cloudy 3% 3 mph SSE 74%
6 AM 23° Mostly Cloudy 3% 3 mph SSE 77%
7 AM 23° Mostly Cloudy 3% 3 mph S 78%
8 AM 26° Mostly Cloudy 3% 3 mph S 71%
9 AM 27° Partly Cloudy 3% 4 mph SSW 62%
10 AM 28° Partly Cloudy 3% 5 mph SW 52%
11 AM 31° Mostly Clear 3% 4 mph SSW 43%
12 PM 33° Clear 3% 3 mph SSW 35%
1 PM 35° Clear 3% 3 mph S 27%
2 PM 37° Clear 3% 3 mph SSE 26%
3 PM 38° Clear 3% 5 mph SE 24%
4 PM 38° Clear 3% 6 mph SE 23%
5 PM 41° Clear 3% 6 mph SE 23%
6 PM 39° Clear 3% 7 mph SE 23%
7 PM 39° Clear 3% 8 mph SE 23%
8 PM 38° Mostly Clear 3% 8 mph SSE 26%
9 PM 37° Mostly Clear 3% 10 mph SE 30%
15-Day Forecast
Today
8/21
Clear
3%
23°
38°
Sat
8/22
Partly Cloudy
3%
23°
41°
Sun
8/23
Partly Cloudy
3%
25°
40°
Mon
8/24
Clear
3%
22°
39°
Tue
8/25
Clear
8%
23°
39°
Wed
8/26
Drizzle
43%
23°
39°
Thu
8/27
Drizzle
52%
24°
37°
Fri
8/28
Clear
8%
24°
39°
Sat
8/29
Clear
3%
23°
39°
Sun
8/30
Clear
19%
23°
38°
Mon
8/31
Clear
12%
23°
38°
Tue
9/1
Clear
25%
24°
38°
Wed
9/2
Clear
25%
24°
38°
Thu
9/3
Clear
25%
24°
37°
Fri
9/4
Clear
25%
24°
37°
62
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
62 AQI 15.0 µg/m³
O3
Ground-level ozone
38 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 62 Moderate 38 62
Sun 61 Moderate 44 61
Mon 60 Moderate 40 60
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 Sat Aug 22, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1486 J/kg
MLCAPE784 J/kg
MUCAPE1486 J/kg
SBCIN-388 J/kg
MLCIN-202 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear19 kt
0–1 km Shear1 kt
Eff. Shear23 kt
0–1 km SRH4
0–3 km SRH28
Eff. SRH53
Storm Motion109° @ 17 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.9
K-Index26.6
Thermo & Levels
PWAT1.26 in
0–3 km LR6.9 °C/km
700–500 LR6.0 °C/km
Total Totals46.9
LCL833 hPa
LFC697 hPa
EL189 hPa
Freezing Lvl16,053 ft