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

De Witt, Atlantus Drive, El Paso County, Texas, United States

Last updated: 3:52 PM CDT  ·  Refresh
34°C
Feels like 33°
Clear
▲ 35°  /  ▼ 22°
Wind
8 mph WSW
Humidity
25%
Dew Point
13°
Pressure
25.86 inHg
Visibility
10 mi
UV Index
8.4
Cloud Cover
6%
Sunrise
6:46 AM
Sunset
7:12 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: De Witt is currently clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1028 J/kg) — isolated convective development possible. Sunrise: 6:46AM · Sunset: 7:12PM.

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
71 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
7%
3 PM
35°
13%
4 PM
34°
13%
5 PM
34°
17%
6 PM
33°
30%
7 PM
32°
31%
8 PM
31°
35%
9 PM
29°
41%
10 PM
28°
45%
11 PM
27°
45%
12 AM
26°
45%
1 AM
26°
34%
2 AM
25°
13%
3 AM
24°
9%
4 AM
24°
5%
5 AM
22°
5%
6 AM
22°
5%
7 AM
22°
5%
8 AM
23°
5%
9 AM
27°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
29°
3%
1 PM
29°
13%
7-Day Forecast
Today
35° 22°
Mostly Clear with a 45% chance of rain.
Mon
35° 22°
Mostly Clear with a 40% chance of rain.
Tue
33° 21°
Mostly Clear with a 49% chance of rain.
Wed
33° 20°
Clear with a 62% chance of rain.
Thu
32° 19°
Drizzle, 60% chance.
Fri
31° 20°
Rain, 81% chance.
Sat
30° 19°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 7% 8 mph WSW 25%
3 PM 35° Mostly Clear 13% 7 mph SW 25%
4 PM 34° Clear 13% 8 mph SSW 27%
5 PM 34° Partly Cloudy 17% 11 mph SE 29%
6 PM 33° Partly Cloudy 30% 9 mph SE 30%
7 PM 32° Partly Cloudy 31% 5 mph ESE 31%
8 PM 31° Mostly Clear 35% 3 mph E 32%
9 PM 29° Mostly Clear 41% 3 mph ESE 36%
10 PM 28° Partly Cloudy 45% 6 mph SE 49%
11 PM 27° Partly Cloudy 45% 7 mph SSE 56%
12 AM 26° Partly Cloudy 45% 6 mph SSE 61%
1 AM 26° Mostly Cloudy 34% 5 mph S 62%
2 AM 25° Partly Cloudy 13% 5 mph SSE 64%
3 AM 24° Partly Cloudy 9% 5 mph SE 66%
4 AM 24° Mostly Clear 5% 5 mph SE 68%
5 AM 22° Mostly Clear 5% 5 mph ESE 68%
6 AM 22° Mostly Clear 5% 5 mph SE 66%
7 AM 22° Mostly Clear 5% 6 mph SE 64%
8 AM 23° Clear 5% 6 mph SE 62%
9 AM 27° Clear 3% 6 mph SSE 58%
10 AM 28° Clear 3% 6 mph SSE 54%
11 AM 29° Clear 3% 6 mph SSE 50%
12 PM 29° Clear 3% 6 mph S 48%
1 PM 29° Clear 13% 6 mph S 46%
15-Day Forecast
Today
9/13
Mostly Clear
45%
22°
35°
Mon
9/14
Mostly Clear
40%
22°
35°
Tue
9/15
Mostly Clear
49%
21°
33°
Wed
9/16
Clear
62%
20°
33°
Thu
9/17
Drizzle
60%
19°
32°
Fri
9/18
Rain
81%
20°
31°
Sat
9/19
Drizzle
60%
19°
30°
Sun
9/20
Drizzle
60%
20°
30°
Mon
9/21
Drizzle
60%
21°
29°
Tue
9/22
Drizzle
60%
20°
29°
Wed
9/23
Drizzle
60%
20°
28°
Thu
9/24
Drizzle
60%
20°
28°
Fri
9/25
Drizzle
60%
19°
28°
Sat
9/26
Clear
60%
19°
28°
Sun
9/27
Drizzle
60%
19°
28°
71
Moderate
U.S. Air Quality Index · Dominant: O3
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
32 AQI 5.7 µg/m³
O3
Ground-level ozone
Dominant
71 AQI 62 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 71 Moderate 71 32
Tue 58 Moderate 58 30
Wed 77 Moderate 77 26
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
SBCAPE1139 J/kg
MLCAPE1008 J/kg
MUCAPE1139 J/kg
SBCIN-0 J/kg
MLCIN-34 J/kg
Lifted Index-4.3
Kinematics
0–6 km Shear9 kt
0–1 km Shear2 kt
Eff. Shear8 kt
0–1 km SRH11
0–3 km SRH59
Eff. SRH59
Storm Motion194° @ 20 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index41.4
Thermo & Levels
PWAT1.24 in
0–3 km LR9.5 °C/km
700–500 LR7.5 °C/km
Total Totals55.2
LCL636 hPa
LFC643 hPa
EL171 hPa
Freezing Lvl12,287 ft