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: 5:11 AM CDT  ·  Refresh
27°C
Feels like 27°
Clear
▲ 40°  /  ▼ 25°
Wind
12 mph S
Humidity
74%
Dew Point
21°
Pressure
28.87 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
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 1934 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
27°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
30°
3%
11 AM
32°
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
31°
4%
1 AM
31°
3%
2 AM
30°
3%
3 AM
29°
3%
4 AM
28°
3%
7-Day Forecast
Today
40° 25°
Mostly Clear.
Wed
42° 25°
Clear.
Thu
41° 24°
Clear.
Fri
41° 22°
Clear.
Sat
43° 24°
Mostly Clear.
Sun
43° 24°
Mostly Clear.
Mon
43° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 3% 12 mph S 74%
6 AM 24° Clear 3% 12 mph S 73%
7 AM 24° Clear 3% 12 mph S 74%
8 AM 26° Clear 3% 13 mph SSW 68%
9 AM 27° Clear 3% 14 mph SSW 60%
10 AM 30° Clear 3% 15 mph SSW 53%
11 AM 32° Mostly Clear 3% 14 mph SSW 47%
12 PM 33° Mostly Clear 3% 13 mph SSW 41%
1 PM 35° Partly Cloudy 3% 13 mph SSW 35%
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° Mostly Clear 4% 14 mph S 27%
6 PM 40° Mostly Clear 4% 15 mph S 27%
7 PM 39° Mostly Clear 4% 16 mph S 28%
8 PM 38° Mostly Clear 4% 14 mph S 30%
9 PM 36° Mostly Clear 4% 14 mph S 33%
10 PM 33° Mostly Clear 4% 13 mph S 36%
11 PM 33° Mostly Clear 4% 13 mph S 39%
12 AM 31° Mostly Clear 4% 14 mph S 41%
1 AM 31° Mostly Clear 3% 14 mph S 44%
2 AM 30° Mostly Clear 3% 14 mph S 48%
3 AM 29° Mostly Clear 3% 14 mph S 52%
4 AM 28° Clear 3% 14 mph SSW 56%
15-Day Forecast
Today
8/11
Mostly Clear
4%
25°
40°
Wed
8/12
Clear
3%
25°
42°
Thu
8/13
Clear
3%
24°
41°
Fri
8/14
Clear
7%
22°
41°
Sat
8/15
Mostly Clear
3%
24°
43°
Sun
8/16
Mostly Clear
7%
24°
43°
Mon
8/17
Clear
8%
24°
43°
Tue
8/18
Clear
15%
25°
43°
Wed
8/19
Mostly Clear
35%
26°
43°
Thu
8/20
Clear
19%
25°
42°
Fri
8/21
Clear
60%
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, 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
SBCAPE1082 J/kg
MLCAPE1209 J/kg
MUCAPE1787 J/kg
SBCIN-277 J/kg
MLCIN0 J/kg
Lifted Index-2.7
Kinematics
0–6 km Shear5 kt
0–1 km Shear10 kt
Eff. Shear5 kt
0–1 km SRH30
0–3 km SRH92
Eff. SRH95
Storm Motion95° @ 10 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.5
Thermo & Levels
PWAT1.50 in
0–3 km LR5.4 °C/km
700–500 LR6.0 °C/km
Total Totals46.2
LCL907 hPa
LFC693 hPa
EL186 hPa
Freezing Lvl15,735 ft