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

Llano County, Texas, United States

Last updated: 10:07 PM CDT  ·  Refresh
32°C
Feels like 33°
Clear
▲ 39°  /  ▼ 22°
Wind
8 mph S
Humidity
45%
Dew Point
15°
Pressure
28.67 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
7:04 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Llano County is currently clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1224 J/kg) — isolated convective development possible. Sunrise: 7:04AM · Sunset: 8:10PM.

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
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
3%
11 PM
31°
7%
12 AM
30°
3%
1 AM
29°
3%
2 AM
29°
3%
3 AM
28°
3%
4 AM
27°
3%
5 AM
27°
3%
6 AM
23°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
28°
8%
10 AM
31°
8%
11 AM
33°
8%
12 PM
35°
8%
1 PM
37°
9%
2 PM
39°
9%
3 PM
39°
12%
4 PM
39°
12%
5 PM
41°
12%
6 PM
39°
5%
7 PM
39°
5%
8 PM
38°
5%
9 PM
36°
6%
7-Day Forecast
Tonight
39° 22°
Clear.
Sat
41° 22°
Mostly Clear.
Sun
41° 22°
Mostly Clear.
Mon
41° 22°
Mostly Clear.
Tue
42° 23°
Clear.
Wed
42° 23°
Rain, 43% chance.
Thu
40° 23°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Clear 3% 8 mph S 45%
11 PM 31° Clear 7% 7 mph S 40%
12 AM 30° Clear 3% 7 mph S 43%
1 AM 29° Clear 3% 8 mph S 47%
2 AM 29° Mostly Clear 3% 9 mph SSW 55%
3 AM 28° Partly Cloudy 3% 8 mph SSW 62%
4 AM 27° Mostly Clear 3% 7 mph SSW 66%
5 AM 27° Partly Cloudy 3% 4 mph SSW 69%
6 AM 23° Partly Cloudy 3% 3 mph SW 71%
7 AM 22° Partly Cloudy 3% 3 mph SW 72%
8 AM 24° Partly Cloudy 3% 4 mph WSW 63%
9 AM 28° Partly Cloudy 8% 7 mph WSW 52%
10 AM 31° Partly Cloudy 8% 7 mph WSW 41%
11 AM 33° Partly Cloudy 8% 5 mph WSW 36%
12 PM 35° Partly Cloudy 8% 3 mph SW 31%
1 PM 37° Mostly Clear 9% 3 mph S 27%
2 PM 39° Mostly Clear 9% 4 mph SE 25%
3 PM 39° Mostly Clear 12% 6 mph SE 24%
4 PM 39° Clear 12% 7 mph SE 23%
5 PM 41° Clear 12% 7 mph SE 23%
6 PM 39° Clear 5% 8 mph SSE 24%
7 PM 39° Clear 5% 8 mph S 26%
8 PM 38° Mostly Clear 5% 7 mph S 29%
9 PM 36° Mostly Clear 6% 8 mph S 31%
15-Day Forecast
Today
8/21
Clear
3%
22°
39°
Sat
8/22
Mostly Clear
12%
22°
41°
Sun
8/23
Mostly Clear
3%
22°
41°
Mon
8/24
Mostly Clear
3%
22°
41°
Tue
8/25
Clear
8%
23°
42°
Wed
8/26
Rain
43%
23°
42°
Thu
8/27
Clear
31%
23°
40°
Fri
8/28
Clear
8%
24°
40°
Sat
8/29
Clear
18%
22°
39°
Sun
8/30
Clear
3%
22°
39°
Mon
8/31
Clear
3%
22°
38°
Tue
9/1
Clear
3%
23°
39°
Wed
9/2
Drizzle
60%
23°
39°
Thu
9/3
Clear
25%
23°
38°
Fri
9/4
Drizzle
60%
23°
38°
56
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
56 AQI 12.0 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 56 Moderate 43 56
Sun 57 Moderate 43 57
Mon 56 Moderate 41 56
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
SBCAPE33 J/kg
MLCAPE292 J/kg
MUCAPE452 J/kg
SBCIN-593 J/kg
MLCIN-222 J/kg
Lifted Index0.2
Kinematics
0–6 km Shear23 kt
0–1 km Shear6 kt
Eff. Shear23 kt
0–1 km SRH-17
0–3 km SRH50
Eff. SRH74
Storm Motion109° @ 22 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.4
K-Index27.3
Thermo & Levels
PWAT1.34 in
0–3 km LR6.7 °C/km
700–500 LR6.7 °C/km
Total Totals48.9
LCL766 hPa
LFC451 hPa
EL295 hPa
Freezing Lvl15,007 ft