Heat Advisory — Montague, TX, Cooke, TX, Grayson, TX, Fannin, TX, Lamar, 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, Johnson, TX, Ellis, TX 8:00 PM

Ellis County, Texas, United States

Last updated: 5:10 AM CDT  ·  Refresh
26°C
Feels like 27°
Clear
▲ 38°  /  ▼ 24°
Wind
9 mph S
Humidity
75%
Dew Point
21°
Pressure
29.47 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
10%
Sunrise
6:48 AM
Sunset
8:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ellis County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1788 J/kg) — isolated convective development possible. Sunrise: 6:48AM · Sunset: 8:15PM.

Alerts

Heat Advisory
Montague, TX, Cooke, TX, Grayson, TX, Fannin, TX, Lamar, 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, Johnson, TX, Ellis, TX
Expires 8:00 PM
34 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
4%
6 AM
23°
3%
7 AM
23°
3%
8 AM
24°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
34°
3%
2 PM
36°
3%
3 PM
37°
4%
4 PM
37°
4%
5 PM
37°
4%
6 PM
37°
4%
7 PM
37°
4%
8 PM
35°
4%
9 PM
34°
4%
10 PM
31°
4%
11 PM
31°
4%
12 AM
29°
3%
1 AM
28°
3%
2 AM
28°
3%
3 AM
28°
3%
4 AM
26°
3%
7-Day Forecast
Today
38° 24°
Mostly Clear.
Wed
40° 24°
Clear.
Thu
39° 23°
Mostly Clear.
Fri
39° 22°
Clear.
Sat
41° 24°
Partly Cloudy.
Sun
41° 24°
Clear.
Mon
41° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 4% 9 mph S 75%
6 AM 23° Clear 3% 10 mph S 77%
7 AM 23° Mostly Clear 3% 10 mph S 79%
8 AM 24° Mostly Clear 3% 12 mph SSW 74%
9 AM 27° Mostly Clear 3% 13 mph SSW 69%
10 AM 29° Mostly Clear 3% 14 mph SSW 62%
11 AM 31° Mostly Clear 3% 14 mph SSW 55%
12 PM 32° Mostly Clear 3% 14 mph SSW 48%
1 PM 34° Clear 3% 14 mph SSW 42%
2 PM 36° Mostly Clear 3% 14 mph SSW 38%
3 PM 37° Mostly Clear 4% 14 mph SSW 36%
4 PM 37° Mostly Clear 4% 14 mph SSW 34%
5 PM 37° Mostly Clear 4% 15 mph S 34%
6 PM 37° Mostly Clear 4% 15 mph S 35%
7 PM 37° Clear 4% 15 mph S 37%
8 PM 35° Clear 4% 13 mph S 42%
9 PM 34° Clear 4% 12 mph S 46%
10 PM 31° Clear 4% 12 mph S 51%
11 PM 31° Clear 4% 13 mph S 55%
12 AM 29° Clear 3% 14 mph S 60%
1 AM 28° Clear 3% 15 mph S 63%
2 AM 28° Clear 3% 14 mph S 67%
3 AM 28° Clear 3% 14 mph S 70%
4 AM 26° Clear 3% 13 mph S 74%
15-Day Forecast
Today
8/11
Mostly Clear
4%
24°
38°
Wed
8/12
Clear
3%
24°
40°
Thu
8/13
Mostly Clear
3%
23°
39°
Fri
8/14
Clear
3%
22°
39°
Sat
8/15
Partly Cloudy
3%
24°
41°
Sun
8/16
Clear
17%
24°
41°
Mon
8/17
Clear
3%
24°
41°
Tue
8/18
Clear
15%
26°
41°
Wed
8/19
Mostly Clear
35%
27°
41°
Thu
8/20
Mostly Clear
35%
26°
40°
Fri
8/21
Drizzle
60%
26°
41°
Sat
8/22
Clear
25%
26°
41°
Sun
8/23
Drizzle
60%
26°
40°
Mon
8/24
Drizzle
60%
26°
39°
Tue
8/25
Drizzle
60%
26°
39°
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
22 AQI 3.9 µg/m³
O3
Ground-level ozone
Dominant
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 34 Good 34 22
Wed 53 Moderate 32 53
Thu 32 Good 32 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 Tue Aug 11, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE286 J/kg
MLCAPE29 J/kg
MUCAPE286 J/kg
SBCIN-336 J/kg
MLCIN0 J/kg
Lifted Index-1.3
Kinematics
0–6 km Shear7 kt
0–1 km Shear11 kt
Eff. Shear12 kt
0–1 km SRH-36
0–3 km SRH27
Eff. SRH35
Storm Motion139° @ 17 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.0
Thermo & Levels
PWAT1.62 in
0–3 km LR4.6 °C/km
700–500 LR6.3 °C/km
Total Totals46.1
LCL937 hPa
LFC613 hPa
EL253 hPa
Freezing Lvl15,797 ft