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: 11:20 PM CDT  ·  Refresh
31°C
Feels like 31°
Clear
▲ 39°  /  ▼ 22°
Wind
6 mph S
Humidity
42%
Dew Point
16°
Pressure
28.68 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
1%
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 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1068 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
31°
3%
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
22°
3%
7 AM
23°
3%
8 AM
25°
7%
9 AM
28°
8%
10 AM
31°
8%
11 AM
33°
8%
12 PM
36°
8%
1 PM
37°
9%
2 PM
39°
9%
3 PM
39°
12%
4 PM
39°
12%
5 PM
39°
12%
6 PM
39°
5%
7 PM
39°
5%
8 PM
38°
5%
9 PM
37°
5%
10 PM
34°
6%
7-Day Forecast
Tonight
39° 22°
Clear.
Sat
40° 22°
Mostly Clear.
Sun
41° 23°
Mostly Clear.
Mon
41° 22°
Clear.
Tue
42° 21°
Clear.
Wed
42° 23°
Rain, 43% chance.
Thu
39° 23°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Clear 3% 6 mph S 42%
12 AM 30° Clear 3% 7 mph S 42%
1 AM 29° Clear 3% 7 mph SSW 46%
2 AM 29° Mostly Clear 3% 8 mph SSW 53%
3 AM 28° Mostly Clear 3% 8 mph SSW 61%
4 AM 27° Partly Cloudy 3% 6 mph SSW 66%
5 AM 27° Partly Cloudy 3% 4 mph SSW 69%
6 AM 22° Partly Cloudy 3% 4 mph SW 72%
7 AM 23° Mostly Clear 3% 3 mph SW 71%
8 AM 25° Mostly Clear 7% 4 mph SW 62%
9 AM 28° Mostly Clear 8% 6 mph WSW 51%
10 AM 31° Mostly Clear 8% 6 mph WSW 41%
11 AM 33° Mostly Clear 8% 4 mph SW 35%
12 PM 36° Mostly Clear 8% 3 mph SSW 29%
1 PM 37° Mostly Clear 9% 3 mph S 26%
2 PM 39° Mostly Clear 9% 5 mph SSE 25%
3 PM 39° Mostly Clear 12% 6 mph SE 23%
4 PM 39° Mostly Clear 12% 8 mph SE 23%
5 PM 39° Clear 12% 8 mph SSE 23%
6 PM 39° Clear 5% 9 mph SSE 24%
7 PM 39° Clear 5% 8 mph S 26%
8 PM 38° Clear 5% 8 mph S 29%
9 PM 37° Mostly Clear 5% 8 mph S 32%
10 PM 34° Mostly Clear 6% 8 mph S 34%
15-Day Forecast
Today
8/21
Clear
3%
22°
39°
Sat
8/22
Mostly Clear
12%
22°
40°
Sun
8/23
Mostly Clear
3%
23°
41°
Mon
8/24
Clear
3%
22°
41°
Tue
8/25
Clear
8%
21°
42°
Wed
8/26
Rain
43%
23°
42°
Thu
8/27
Clear
31%
23°
39°
Fri
8/28
Clear
8%
24°
40°
Sat
8/29
Clear
18%
23°
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, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE34 J/kg
MLCAPE719 J/kg
MUCAPE1004 J/kg
SBCIN-585 J/kg
MLCIN-248 J/kg
Lifted Index0.2
Kinematics
0–6 km Shear21 kt
0–1 km Shear7 kt
Eff. Shear27 kt
0–1 km SRH-45
0–3 km SRH38
Eff. SRH93
Storm Motion113° @ 23 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.3
K-Index30.5
Thermo & Levels
PWAT1.45 in
0–3 km LR6.3 °C/km
700–500 LR6.9 °C/km
Total Totals49.6
LCL783 hPa
LFC467 hPa
EL336 hPa
Freezing Lvl14,787 ft