Heat Advisory — Grayson, TX, Fannin, TX, Lamar, TX, Denton, TX, Collin, TX, Hunt, TX, Delta, TX, Hopkins, TX, Tarrant, TX, Dallas, TX, Rockwall, TX, Kaufman, TX, Van Zandt, TX, Rains, TX, Johnson, TX, Ellis, TX, Henderson, TX, Hill, TX, Navarro, TX, Freestone, TX, Anderson, TX, Bell, TX, McLennan, TX, Falls, TX, Limestone, TX, Leon, TX, Milam, TX, Robertson, TX 8:00 PM

Dallas, Texas

Last updated: 3:47 PM CDT  ·  Refresh
37°C
Feels like 40°
Clear
▲ 38°  /  ▼ 24°
Wind
10 mph S
Humidity
37%
Dew Point
19°
Pressure
29,42 inHg
Visibility
10 mi
UV Index
7,9
Cloud Cover
6%
Sunrise
7:09 AM
Sunset
7:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Dallas is currently clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1569 J/kg) — isolated convective development possible. Sunrise: 7:09AM · Sunset: 7:35PM.

34 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
3%
4 PM
37°
5%
5 PM
37°
5%
6 PM
36°
5%
7 PM
34°
5%
8 PM
33°
5%
9 PM
32°
5%
10 PM
31°
3%
11 PM
31°
3%
12 AM
30°
3%
1 AM
29°
3%
2 AM
28°
3%
3 AM
28°
3%
4 AM
27°
3%
5 AM
25°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
34°
3%
2 PM
34°
3%
7-Day Forecast
Today
38° 24°
Clear.
Mon
39° 24°
Clear.
Tue
39° 25°
Clear.
Wed
37° 25°
Clear.
Thu
36° 26°
Clear.
Fri
37° 26°
Clear.
Sat
37° 25°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 37° Clear 3% 10 mph S 37%
4 PM 37° Clear 5% 10 mph S 36%
5 PM 37° Clear 5% 10 mph S 35%
6 PM 36° Clear 5% 9 mph S 35%
7 PM 34° Clear 5% 8 mph S 39%
8 PM 33° Clear 5% 9 mph SSE 43%
9 PM 32° Clear 5% 9 mph SSE 48%
10 PM 31° Clear 3% 9 mph SSE 50%
11 PM 31° Clear 3% 10 mph SSE 54%
12 AM 30° Clear 3% 10 mph S 58%
1 AM 29° Clear 3% 8 mph S 60%
2 AM 28° Clear 3% 7 mph S 63%
3 AM 28° Clear 3% 6 mph S 66%
4 AM 27° Clear 3% 6 mph S 69%
5 AM 25° Clear 3% 6 mph S 72%
6 AM 24° Clear 3% 6 mph S 74%
7 AM 25° Clear 3% 6 mph S 73%
8 AM 26° Clear 3% 7 mph S 70%
9 AM 27° Clear 3% 7 mph S 67%
10 AM 29° Clear 3% 7 mph S 62%
11 AM 31° Clear 3% 7 mph S 57%
12 PM 32° Clear 3% 8 mph S 52%
1 PM 34° Clear 3% 8 mph S 49%
2 PM 34° Clear 3% 8 mph S 47%
15-Day Forecast
Today
9/13
Clear
5%
24°
38°
Mon
9/14
Clear
3%
24°
39°
Tue
9/15
Clear
8%
25°
39°
Wed
9/16
Clear
8%
25°
37°
Thu
9/17
Clear
3%
26°
36°
Fri
9/18
Clear
3%
26°
37°
Sat
9/19
Clear
19%
25°
37°
Sun
9/20
Clear
60%
24°
34°
Mon
9/21
Drizzle
60%
19°
34°
Tue
9/22
Drizzle
60%
18°
33°
Wed
9/23
Drizzle
42%
21°
33°
Thu
9/24
Drizzle
60%
22°
32°
Fri
9/25
Clear
60%
22°
32°
Sat
9/26
Clear
25%
22°
32°
Sun
9/27
Drizzle
60%
22°
32°
34
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
33 AQI 6.0 µg/m³
O3
Ground-level ozone
Dominant
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 34 Good 34 33
Tue 35 Good 35 26
Wed 34 Good 34 28
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 dim. sept. 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
SBCAPE1685 J/kg
MLCAPE549 J/kg
MUCAPE1685 J/kg
SBCIN-8 J/kg
MLCIN-75 J/kg
Lifted Index-4.3
Kinematics
0–6 km Shear11 kt
0–1 km Shear0 kt
Eff. Shear15 kt
0–1 km SRH-1
0–3 km SRH15
Eff. SRH15
Storm Motion111° @ 16 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.7
Thermo & Levels
PWAT1.57 in
0–3 km LR8.5 °C/km
700–500 LR6.1 °C/km
Total Totals45.8
LCL776 hPa
LFC726 hPa
EL156 hPa
Freezing Lvl16,427 ft