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

Guadalupe County, Texas, United States

Last updated: 11:13 PM CDT  ·  Refresh
30°C
Feels like 33°
Clear
▲ 39°  /  ▼ 22°
Wind
10 mph S
Humidity
60%
Dew Point
21°
Pressure
29.38 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
7:02 AM
Sunset
8:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Guadalupe County is currently clear at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1666 J/kg) — isolated convective development possible. Sunrise: 7:02AM · Sunset: 8:05PM.

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
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
3%
12 AM
29°
3%
1 AM
28°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
3%
5 AM
24°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
32°
3%
12 PM
34°
3%
1 PM
36°
3%
2 PM
38°
3%
3 PM
39°
3%
4 PM
39°
3%
5 PM
39°
3%
6 PM
41°
3%
7 PM
40°
3%
8 PM
38°
3%
9 PM
37°
3%
10 PM
34°
6%
7-Day Forecast
Tonight
39° 22°
Clear.
Sat
41° 22°
Partly Cloudy.
Sun
41° 22°
Mostly Clear.
Mon
39° 21°
Mostly Clear.
Tue
41° 21°
Overcast.
Wed
41° 22°
Drizzle, 43% chance.
Thu
39° 23°
Drizzle, 43% chance.
TimeTempConditionsPrecipWindHumidity
Now 30° Clear 3% 10 mph S 60%
12 AM 29° Clear 3% 9 mph S 67%
1 AM 28° Clear 3% 7 mph S 73%
2 AM 26° Clear 3% 6 mph S 76%
3 AM 26° Mostly Clear 3% 5 mph SSW 80%
4 AM 25° Partly Cloudy 3% 5 mph SSW 83%
5 AM 24° Partly Cloudy 3% 5 mph SSW 84%
6 AM 22° Mostly Cloudy 3% 5 mph SSW 85%
7 AM 22° Mostly Cloudy 3% 5 mph SSW 84%
8 AM 24° Mostly Cloudy 3% 6 mph SW 75%
9 AM 27° Partly Cloudy 3% 7 mph SW 64%
10 AM 29° Partly Cloudy 3% 7 mph SW 54%
11 AM 32° Mostly Clear 3% 6 mph SW 44%
12 PM 34° Mostly Clear 3% 5 mph SW 36%
1 PM 36° Clear 3% 4 mph SSW 28%
2 PM 38° Mostly Clear 3% 5 mph SSE 26%
3 PM 39° Partly Cloudy 3% 6 mph SE 25%
4 PM 39° Partly Cloudy 3% 8 mph SE 23%
5 PM 39° Partly Cloudy 3% 8 mph SE 23%
6 PM 41° Mostly Clear 3% 9 mph SE 23%
7 PM 40° Mostly Clear 3% 10 mph SE 25%
8 PM 38° Partly Cloudy 3% 10 mph SSE 30%
9 PM 37° Partly Cloudy 3% 10 mph SSE 36%
10 PM 34° Partly Cloudy 6% 10 mph SSE 41%
15-Day Forecast
Today
8/21
Clear
3%
22°
39°
Sat
8/22
Partly Cloudy
6%
22°
41°
Sun
8/23
Mostly Clear
3%
22°
41°
Mon
8/24
Mostly Clear
3%
21°
39°
Tue
8/25
Overcast
8%
21°
41°
Wed
8/26
Drizzle
43%
22°
41°
Thu
8/27
Drizzle
43%
23°
39°
Fri
8/28
Clear
19%
24°
40°
Sat
8/29
Rain
28%
22°
40°
Sun
8/30
Clear
19%
22°
40°
Mon
8/31
Clear
12%
22°
39°
Tue
9/1
Clear
25%
23°
39°
Wed
9/2
Drizzle
60%
23°
39°
Thu
9/3
Clear
25%
24°
38°
Fri
9/4
Clear
25%
23°
38°
58
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
58 AQI 13.1 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 58 Moderate 31 58
Sun 59 Moderate 39 59
Mon 57 Moderate 35 57
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
SBCAPE1538 J/kg
MLCAPE853 J/kg
MUCAPE1538 J/kg
SBCIN-331 J/kg
MLCIN-313 J/kg
Lifted Index-3.9
Kinematics
0–6 km Shear20 kt
0–1 km Shear2 kt
Eff. Shear22 kt
0–1 km SRH17
0–3 km SRH127
Eff. SRH124
Storm Motion112° @ 22 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell2.2
K-Index23.8
Thermo & Levels
PWAT1.64 in
0–3 km LR5.7 °C/km
700–500 LR7.1 °C/km
Total Totals50.8
LCL870 hPa
LFC661 hPa
EL189 hPa
Freezing Lvl15,509 ft