Heat Advisory — 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 Heat Advisory — 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

Bastrop County, Texas, United States

Last updated: 3:51 PM CDT  ·  Refresh
98°F
Feels like 104°
Partly Cloudy
▲ 98°  /  ▼ 75°
Wind
11 mph SSE
Humidity
39%
Dew Point
70°
Pressure
29.47 inHg
Visibility
10 mi
UV Index
7.7
Cloud Cover
38%
Sunrise
7:12 AM
Sunset
7:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Bastrop County is currently partly cloudy at 98°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2396 J/kg) — isolated convective development possible. Sunrise: 7:12AM · Sunset: 7:37PM.

Alerts

Heat Advisory
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
Heat Advisory
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
27 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
98°
4%
4 PM
98°
5%
5 PM
92°
5%
6 PM
88°
5%
7 PM
85°
5%
8 PM
84°
5%
9 PM
83°
5%
10 PM
82°
5%
11 PM
81°
5%
12 AM
80°
5%
1 AM
79°
5%
2 AM
79°
5%
3 AM
78°
8%
4 AM
78°
35%
5 AM
75°
35%
6 AM
75°
35%
7 AM
76°
35%
8 AM
77°
35%
9 AM
79°
26%
10 AM
84°
20%
11 AM
85°
20%
12 PM
87°
17%
1 PM
92°
24%
2 PM
92°
24%
7-Day Forecast
Today
98° 75°
Mostly Cloudy.
Mon
100° 75°
Partly Cloudy with a 35% chance of rain.
Tue
101° 73°
Mostly Clear.
Wed
95° 75°
Partly Cloudy with a 44% chance of rain.
Thu
96° 73°
Drizzle, 50% chance.
Fri
98° 72°
Clear.
Sat
97° 71°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 98° Partly Cloudy 4% 11 mph SSE 39%
4 PM 98° Mostly Cloudy 5% 14 mph SSE 44%
5 PM 92° Overcast 5% 13 mph SE 57%
6 PM 88° Overcast 5% 14 mph SE 64%
7 PM 85° Mostly Cloudy 5% 12 mph SE 66%
8 PM 84° Mostly Cloudy 5% 10 mph SE 68%
9 PM 83° Mostly Cloudy 5% 9 mph SSE 71%
10 PM 82° Mostly Cloudy 5% 9 mph SSE 74%
11 PM 81° Partly Cloudy 5% 8 mph SSE 77%
12 AM 80° Partly Cloudy 5% 8 mph SSE 80%
1 AM 79° Partly Cloudy 5% 6 mph S 82%
2 AM 79° Partly Cloudy 5% 5 mph S 84%
3 AM 78° Partly Cloudy 8% 4 mph S 86%
4 AM 78° Partly Cloudy 35% 4 mph SSE 87%
5 AM 75° Partly Cloudy 35% 3 mph SSE 87%
6 AM 75° Partly Cloudy 35% 3 mph SSE 88%
7 AM 76° Partly Cloudy 35% 4 mph SSE 86%
8 AM 77° Partly Cloudy 35% 4 mph S 82%
9 AM 79° Partly Cloudy 26% 5 mph S 79%
10 AM 84° Partly Cloudy 20% 6 mph S 73%
11 AM 85° Mostly Clear 20% 6 mph S 66%
12 PM 87° Mostly Clear 17% 6 mph SSE 60%
1 PM 92° Mostly Clear 24% 7 mph SSE 57%
2 PM 92° Mostly Clear 24% 8 mph SSE 56%
15-Day Forecast
Today
9/13
Mostly Cloudy
5%
75°
98°
Mon
9/14
Partly Cloudy
35%
75°
100°
Tue
9/15
Mostly Clear
8%
73°
101°
Wed
9/16
Partly Cloudy
44%
75°
95°
Thu
9/17
Drizzle
50%
73°
96°
Fri
9/18
Clear
3%
72°
98°
Sat
9/19
Clear
19%
71°
97°
Sun
9/20
Clear
60%
72°
97°
Mon
9/21
Drizzle
60%
73°
96°
Tue
9/22
Drizzle
60%
70°
94°
Wed
9/23
Drizzle
60%
70°
93°
Thu
9/24
Drizzle
60%
71°
93°
Fri
9/25
Drizzle
60%
70°
92°
Sat
9/26
Drizzle
60%
70°
92°
Sun
9/27
Drizzle
60%
69°
92°
27
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
27 AQI 4.9 µg/m³
O3
Ground-level ozone
7 AQI 8 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 27 Good 7 27
Tue 22 Good 8 22
Wed 43 Good 9 43
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 Sun Sep 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2617 J/kg
MLCAPE1766 J/kg
MUCAPE2617 J/kg
SBCIN0 J/kg
MLCIN-19 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear2 kt
0–1 km Shear3 kt
Eff. Shear11 kt
0–1 km SRH-10
0–3 km SRH-14
Eff. SRH-14
Storm Motion132° @ 20 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.0
Thermo & Levels
PWAT1.86 in
0–3 km LR8.7 °C/km
700–500 LR5.4 °C/km
Total Totals47.0
LCL797 hPa
LFC998 hPa
EL153 hPa
Freezing Lvl16,102 ft