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: 10:08 PM CDT  ·  Refresh
31°C
Feels like 36°
Clear
▲ 39°  /  ▼ 22°
Wind
10 mph S
Humidity
61%
Dew Point
20°
Pressure
29.36 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
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 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1598 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
31°
3%
11 PM
30°
3%
12 AM
28°
3%
1 AM
27°
3%
2 AM
26°
3%
3 AM
25°
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
41°
3%
6 PM
40°
3%
7 PM
39°
3%
8 PM
38°
3%
9 PM
36°
3%
7-Day Forecast
Tonight
39° 22°
Clear.
Sat
41° 22°
Mostly Clear.
Sun
41° 22°
Partly Cloudy.
Mon
40° 20°
Clear.
Tue
41° 22°
Clear.
Wed
41° 22°
Clear with a 43% chance of rain.
Thu
39° 23°
Clear with a 55% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Clear 3% 10 mph S 61%
11 PM 30° Clear 3% 11 mph S 61%
12 AM 28° Clear 3% 9 mph S 69%
1 AM 27° Clear 3% 7 mph S 75%
2 AM 26° Clear 3% 6 mph SSW 78%
3 AM 25° Clear 3% 5 mph SSW 81%
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% 8 mph SW 53%
11 AM 32° Mostly Clear 3% 7 mph SW 44%
12 PM 34° Mostly Clear 3% 6 mph SW 35%
1 PM 36° Clear 3% 5 mph SSW 28%
2 PM 38° Clear 3% 5 mph S 26%
3 PM 39° Clear 3% 6 mph SSE 24%
4 PM 39° Mostly Clear 3% 8 mph SSE 23%
5 PM 41° Clear 3% 8 mph SSE 23%
6 PM 40° Clear 3% 8 mph SSE 23%
7 PM 39° Clear 3% 8 mph SSE 24%
8 PM 38° Mostly Clear 3% 8 mph SSE 30%
9 PM 36° Mostly Clear 3% 9 mph SSE 35%
15-Day Forecast
Today
8/21
Clear
3%
22°
39°
Sat
8/22
Mostly Clear
3%
22°
41°
Sun
8/23
Partly Cloudy
7%
22°
41°
Mon
8/24
Clear
3%
20°
40°
Tue
8/25
Clear
8%
22°
41°
Wed
8/26
Clear
43%
22°
41°
Thu
8/27
Clear
55%
23°
39°
Fri
8/28
Rain
19%
24°
40°
Sat
8/29
Rain
27%
22°
40°
Sun
8/30
Clear
19%
22°
40°
Mon
8/31
Clear
25%
22°
39°
Tue
9/1
Clear
25%
23°
39°
Wed
9/2
Clear
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, 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
SBCAPE1186 J/kg
MLCAPE1306 J/kg
MUCAPE1631 J/kg
SBCIN-352 J/kg
MLCIN-134 J/kg
Lifted Index-2.5
Kinematics
0–6 km Shear20 kt
0–1 km Shear1 kt
Eff. Shear23 kt
0–1 km SRH2
0–3 km SRH53
Eff. SRH88
Storm Motion113° @ 19 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.7
K-Index40.6
Thermo & Levels
PWAT1.76 in
0–3 km LR7.0 °C/km
700–500 LR5.7 °C/km
Total Totals49.2
LCL843 hPa
LFC721 hPa
EL193 hPa
Freezing Lvl16,132 ft