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

Jack County, Texas, United States

Last updated: 6:03 AM CDT  ·  Refresh
26°C
Feels like 27°
Clear
▲ 40°  /  ▼ 25°
Wind
11 mph S
Humidity
75%
Dew Point
21°
Pressure
28.87 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
6:52 AM
Sunset
8:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jack County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1896 J/kg) — isolated convective development possible. Sunrise: 6:52AM · Sunset: 8:22PM.

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
35 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
33°
3%
1 PM
35°
3%
2 PM
38°
3%
3 PM
38°
4%
4 PM
39°
4%
5 PM
38°
4%
6 PM
40°
4%
7 PM
39°
4%
8 PM
38°
4%
9 PM
36°
4%
10 PM
33°
4%
11 PM
33°
4%
12 AM
32°
4%
1 AM
31°
3%
2 AM
29°
3%
3 AM
29°
3%
4 AM
28°
3%
5 AM
27°
3%
7-Day Forecast
Today
40° 25°
Mostly Clear.
Wed
42° 25°
Clear.
Thu
41° 23°
Clear.
Fri
41° 22°
Clear.
Sat
43° 24°
Mostly Clear.
Sun
43° 24°
Mostly Clear.
Mon
43° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 11 mph S 75%
7 AM 23° Clear 3% 11 mph S 74%
8 AM 25° Clear 3% 13 mph SSW 68%
9 AM 27° Clear 3% 14 mph SSW 61%
10 AM 29° Clear 3% 15 mph SSW 54%
11 AM 31° Clear 3% 14 mph SSW 48%
12 PM 33° Mostly Clear 3% 13 mph SSW 42%
1 PM 35° Partly Cloudy 3% 13 mph SSW 36%
2 PM 38° Partly Cloudy 3% 13 mph SSW 33%
3 PM 38° Partly Cloudy 4% 13 mph SSW 30%
4 PM 39° Partly Cloudy 4% 13 mph S 28%
5 PM 38° Partly Cloudy 4% 14 mph S 27%
6 PM 40° Mostly Clear 4% 15 mph S 27%
7 PM 39° Mostly Clear 4% 16 mph S 27%
8 PM 38° Mostly Clear 4% 15 mph S 30%
9 PM 36° Mostly Clear 4% 14 mph S 33%
10 PM 33° Clear 4% 13 mph S 36%
11 PM 33° Mostly Clear 4% 13 mph S 38%
12 AM 32° Mostly Clear 4% 13 mph S 41%
1 AM 31° Mostly Clear 3% 14 mph S 43%
2 AM 29° Mostly Clear 3% 14 mph S 47%
3 AM 29° Mostly Clear 3% 14 mph S 51%
4 AM 28° Clear 3% 14 mph S 55%
5 AM 27° Clear 3% 14 mph SSW 58%
15-Day Forecast
Today
8/11
Mostly Clear
4%
25°
40°
Wed
8/12
Clear
4%
25°
42°
Thu
8/13
Clear
3%
23°
41°
Fri
8/14
Clear
3%
22°
41°
Sat
8/15
Mostly Clear
7%
24°
43°
Sun
8/16
Mostly Clear
7%
24°
43°
Mon
8/17
Clear
8%
24°
43°
Tue
8/18
Clear
34%
25°
43°
Wed
8/19
Mostly Clear
35%
25°
43°
Thu
8/20
Clear
19%
24°
42°
Fri
8/21
Clear
25%
26°
42°
Sat
8/22
Drizzle
60%
26°
42°
Sun
8/23
Drizzle
60%
26°
41°
Mon
8/24
Drizzle
60%
26°
41°
Tue
8/25
Drizzle
60%
26°
41°
35
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
24 AQI 4.3 µg/m³
O3
Ground-level ozone
Dominant
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 35 Good 35 24
Wed 50 Good 32 50
Thu 34 Good 31 34
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, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE880 J/kg
MLCAPE655 J/kg
MUCAPE1392 J/kg
SBCIN-252 J/kg
MLCIN0 J/kg
Lifted Index-2.7
Kinematics
0–6 km Shear6 kt
0–1 km Shear10 kt
Eff. Shear6 kt
0–1 km SRH56
0–3 km SRH62
Eff. SRH70
Storm Motion32° @ 7 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.9
Thermo & Levels
PWAT1.47 in
0–3 km LR5.5 °C/km
700–500 LR5.9 °C/km
Total Totals45.9
LCL911 hPa
LFC704 hPa
EL197 hPa
Freezing Lvl15,466 ft