Heat Advisory — Montague, TX, Cooke, TX, Grayson, TX, Fannin, TX, Lamar, TX, Young, TX, Jack, TX, Wise, TX, Denton, TX, Collin, TX, Hunt, TX, Delta, TX, Hopkins, TX, Palo Pinto, TX, Parker, TX, Tarrant, TX, Dallas, TX, Rockwall, TX, Kaufman, TX, Van Zandt, TX, Rains, TX, Hood, TX, Somervell, TX, Johnson, TX, Ellis, TX, Henderson, TX, Navarro, TX, Freestone, TX, Anderson, TX, Leon, TX 8:00 PM

Rockwall County, Texas, United States

Last updated: 12:21 AM CDT  ·  Refresh
28°C
Feels like 29°
Clear
▲ 41°  /  ▼ 24°
Wind
8 mph S
Humidity
52%
Dew Point
18°
Pressure
29.34 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
6:36 AM
Sunset
8:27 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Rockwall County is currently clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 862 J/kg) — isolated convective development possible. Sunrise: 6:36AM · Sunset: 8:27PM.

Alerts

Heat Advisory
Montague, TX, Cooke, TX, Grayson, TX, Fannin, TX, Lamar, TX, Young, TX, Jack, TX, Wise, TX, Denton, TX, Collin, TX, Hunt, TX, Delta, TX, Hopkins, TX, Palo Pinto, TX, Parker, TX, Tarrant, TX, Dallas, TX, Rockwall, TX, Kaufman, TX, Van Zandt, TX, Rains, TX, Hood, TX, Somervell, TX, Johnson, TX, Ellis, TX, Henderson, TX, Navarro, TX, Freestone, TX, Anderson, TX, Leon, TX
Expires 8:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
8%
1 AM
28°
8%
2 AM
27°
8%
3 AM
26°
3%
4 AM
26°
3%
5 AM
26°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
34°
3%
1 PM
36°
3%
2 PM
37°
3%
3 PM
38°
3%
4 PM
38°
3%
5 PM
38°
3%
6 PM
38°
3%
7 PM
37°
3%
8 PM
35°
3%
9 PM
34°
3%
10 PM
32°
3%
11 PM
32°
3%
7-Day Forecast
Today
41° 24°
Mostly Clear.
Tue
41° 24°
Partly Cloudy.
Wed
40° 26°
Mostly Clear.
Thu
41° 26°
Clear.
Fri
42° 27°
Clear.
Sat
40° 25°
Clear.
Sun
39° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 8% 8 mph S 52%
1 AM 28° Clear 8% 8 mph S 53%
2 AM 27° Clear 8% 8 mph S 58%
3 AM 26° Clear 3% 8 mph SSW 62%
4 AM 26° Clear 3% 8 mph SSW 66%
5 AM 26° Clear 3% 8 mph SSW 70%
6 AM 23° Clear 3% 8 mph SSW 74%
7 AM 24° Clear 3% 8 mph SSW 74%
8 AM 26° Clear 3% 10 mph SSW 67%
9 AM 28° Clear 3% 11 mph SW 60%
10 AM 31° Clear 3% 12 mph SW 53%
11 AM 32° Mostly Clear 3% 11 mph SW 47%
12 PM 34° Mostly Clear 3% 11 mph SW 41%
1 PM 36° Mostly Clear 3% 10 mph SSW 36%
2 PM 37° Mostly Clear 3% 10 mph SSW 33%
3 PM 38° Mostly Clear 3% 11 mph SSW 30%
4 PM 38° Mostly Clear 3% 11 mph SSW 29%
5 PM 38° Clear 3% 11 mph SSW 29%
6 PM 38° Clear 3% 11 mph SSW 30%
7 PM 37° Clear 3% 11 mph SSW 32%
8 PM 35° Clear 3% 10 mph SSW 35%
9 PM 34° Mostly Clear 3% 9 mph S 38%
10 PM 32° Mostly Clear 3% 9 mph S 41%
11 PM 32° Clear 3% 10 mph S 44%
15-Day Forecast
Today
7/27
Mostly Clear
8%
24°
41°
Tue
7/28
Partly Cloudy
3%
24°
41°
Wed
7/29
Mostly Clear
7%
26°
40°
Thu
7/30
Clear
7%
26°
41°
Fri
7/31
Clear
16%
27°
42°
Sat
8/1
Clear
8%
25°
40°
Sun
8/2
Clear
17%
22°
39°
Mon
8/3
Clear
8%
23°
40°
Tue
8/4
Rain
26%
23°
40°
Wed
8/5
Clear
36%
24°
40°
Thu
8/6
Drizzle
60%
27°
40°
Fri
8/7
Drizzle
60%
26°
38°
Sat
8/8
Drizzle
60%
26°
38°
Sun
8/9
Drizzle
60%
26°
39°
Mon
8/10
Drizzle
60%
26°
39°
53
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
53 AQI 10.3 µg/m³
O3
Ground-level ozone
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 37 53
Tue 39 Good 37 39
Wed 50 Good 40 50
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Mon Jul 27, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE11 J/kg
MUCAPE119 J/kg
SBCIN-4506 J/kg
MLCIN0 J/kg
Lifted Index4.5
Kinematics
0–6 km Shear17 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH96
0–3 km SRH51
Eff. SRH—
Storm Motion275° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index26.3
Thermo & Levels
PWAT1.35 in
0–3 km LR5.0 °C/km
700–500 LR5.2 °C/km
Total Totals36.1
LCL862 hPa
LFC—
EL—
Freezing Lvl18,428 ft