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

Comal County, Texas, United States

Last updated: 10:07 PM CDT  ·  Refresh
31°C
Feels like 32°
Clear
▲ 38°  /  ▼ 22°
Wind
6 mph S
Humidity
50%
Dew Point
18°
Pressure
28.80 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
7:03 AM
Sunset
8:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Comal County is currently clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1377 J/kg) — isolated convective development possible. Sunrise: 7:03AM · Sunset: 8:07PM.

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
61 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
3%
11 PM
31°
3%
12 AM
29°
3%
1 AM
28°
3%
2 AM
27°
3%
3 AM
26°
3%
4 AM
25°
3%
5 AM
25°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
27°
3%
10 AM
30°
3%
11 AM
32°
3%
12 PM
34°
3%
1 PM
36°
3%
2 PM
38°
3%
3 PM
38°
3%
4 PM
39°
3%
5 PM
41°
3%
6 PM
39°
3%
7 PM
38°
3%
8 PM
37°
3%
9 PM
36°
3%
7-Day Forecast
Tonight
38° 22°
Clear.
Sat
41° 22°
Partly Cloudy.
Sun
40° 23°
Partly Cloudy.
Mon
39° 22°
Clear.
Tue
40° 23°
Clear.
Wed
40° 23°
Drizzle, 43% chance.
Thu
38° 23°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Clear 3% 6 mph S 50%
11 PM 31° Clear 3% 9 mph S 50%
12 AM 29° Clear 3% 9 mph S 60%
1 AM 28° Clear 3% 8 mph S 69%
2 AM 27° Clear 3% 7 mph SSW 72%
3 AM 26° Partly Cloudy 3% 6 mph SSW 74%
4 AM 25° Partly Cloudy 3% 5 mph SSW 75%
5 AM 25° Partly Cloudy 3% 5 mph SSW 77%
6 AM 22° Partly Cloudy 3% 5 mph SW 78%
7 AM 22° Partly Cloudy 3% 5 mph SW 77%
8 AM 24° Mostly Cloudy 3% 6 mph SW 70%
9 AM 27° Partly Cloudy 3% 7 mph SW 58%
10 AM 30° Partly Cloudy 3% 7 mph SW 47%
11 AM 32° Mostly Clear 3% 6 mph SW 40%
12 PM 34° Clear 3% 5 mph SSW 33%
1 PM 36° Mostly Clear 3% 5 mph S 29%
2 PM 38° Mostly Clear 3% 6 mph SSE 27%
3 PM 38° Mostly Clear 3% 7 mph SSE 26%
4 PM 39° Mostly Clear 3% 8 mph SSE 24%
5 PM 41° Mostly Clear 3% 8 mph SSE 24%
6 PM 39° Mostly Clear 3% 9 mph SSE 25%
7 PM 38° Mostly Clear 3% 8 mph SSE 26%
8 PM 37° Mostly Clear 3% 8 mph SSE 28%
9 PM 36° Mostly Clear 3% 9 mph SSE 30%
15-Day Forecast
Today
8/21
Clear
3%
22°
38°
Sat
8/22
Partly Cloudy
6%
22°
41°
Sun
8/23
Partly Cloudy
3%
23°
40°
Mon
8/24
Clear
3%
22°
39°
Tue
8/25
Clear
8%
23°
40°
Wed
8/26
Drizzle
43%
23°
40°
Thu
8/27
Drizzle
63%
23°
38°
Fri
8/28
Clear
19%
24°
39°
Sat
8/29
Clear
18%
22°
39°
Sun
8/30
Clear
19%
22°
39°
Mon
8/31
Clear
12%
22°
37°
Tue
9/1
Clear
25%
23°
39°
Wed
9/2
Clear
25%
23°
39°
Thu
9/3
Clear
25%
23°
38°
Fri
9/4
Clear
25%
23°
38°
61
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
61 AQI 14.5 µg/m³
O3
Ground-level ozone
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 61 Moderate 41 61
Sun 60 Moderate 44 60
Mon 59 Moderate 39 59
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
SBCAPE714 J/kg
MLCAPE499 J/kg
MUCAPE714 J/kg
SBCIN-423 J/kg
MLCIN-206 J/kg
Lifted Index-1.6
Kinematics
0–6 km Shear20 kt
0–1 km Shear2 kt
Eff. Shear21 kt
0–1 km SRH-5
0–3 km SRH20
Eff. SRH41
Storm Motion119° @ 18 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.3
K-Index33.8
Thermo & Levels
PWAT1.38 in
0–3 km LR6.9 °C/km
700–500 LR6.0 °C/km
Total Totals47.1
LCL812 hPa
LFC597 hPa
EL205 hPa
Freezing Lvl15,463 ft