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 p. m.

Cooke County, Texas, United States

Last updated: 3:48 p. m. CDT  ·  Refresh
37°C
Feels like 38°
Clear
▲ 38°  /  ▼ 23°
Wind
11 mph SSE
Humidity
32%
Dew Point
19°
Pressure
29,06 inHg
Visibility
10 mi
UV Index
7,9
Cloud Cover
1%
Sunrise
7:10 a. m.
Sunset
7:37 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cooke County is currently clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1729 J/kg) — isolated convective development possible. Sunrise: 7:10A. M. · Sunset: 7:37P. M..

Alerts

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
Expires 8:00 p. m.
46 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
3%
4 p. m.
37°
5%
5 p. m.
38°
5%
6 p. m.
36°
5%
7 p. m.
34°
5%
8 p. m.
33°
5%
9 p. m.
31°
5%
10 p. m.
31°
3%
11 p. m.
30°
3%
12 a. m.
29°
3%
1 a. m.
28°
3%
2 a. m.
27°
3%
3 a. m.
27°
3%
4 a. m.
26°
3%
5 a. m.
23°
3%
6 a. m.
23°
3%
7 a. m.
24°
3%
8 a. m.
25°
3%
9 a. m.
27°
3%
10 a. m.
30°
3%
11 a. m.
31°
3%
12 p. m.
32°
3%
1 p. m.
33°
3%
2 p. m.
33°
3%
7-Day Forecast
Today
38° 23°
Clear.
Mon
38° 23°
Clear.
Tue
38° 23°
Clear.
Wed
37° 21°
Clear.
Thu
36° 24°
Clear.
Fri
37° 23°
Drizzle, 43% chance.
Sat
37° 23°
Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 37° Clear 3% 11 mph SSE 32%
4 p. m. 37° Clear 5% 12 mph SSE 32%
5 p. m. 38° Clear 5% 12 mph SSE 34%
6 p. m. 36° Clear 5% 11 mph SSE 37%
7 p. m. 34° Clear 5% 10 mph SSE 40%
8 p. m. 33° Clear 5% 9 mph SSE 43%
9 p. m. 31° Clear 5% 8 mph SSE 45%
10 p. m. 31° Clear 3% 8 mph SSE 49%
11 p. m. 30° Clear 3% 8 mph S 52%
12 a. m. 29° Clear 3% 9 mph S 56%
1 a. m. 28° Clear 3% 9 mph S 60%
2 a. m. 27° Clear 3% 9 mph S 64%
3 a. m. 27° Clear 3% 8 mph S 68%
4 a. m. 26° Clear 3% 8 mph S 72%
5 a. m. 23° Clear 3% 8 mph S 77%
6 a. m. 23° Clear 3% 7 mph S 81%
7 a. m. 24° Clear 3% 8 mph S 78%
8 a. m. 25° Clear 3% 9 mph SSW 70%
9 a. m. 27° Clear 3% 10 mph SSW 64%
10 a. m. 30° Clear 3% 11 mph SSW 60%
11 a. m. 31° Clear 3% 11 mph SSW 54%
12 p. m. 32° Clear 3% 11 mph S 50%
1 p. m. 33° Clear 3% 11 mph S 47%
2 p. m. 33° Clear 3% 12 mph S 46%
15-Day Forecast
Today
9/13
Clear
5%
23°
38°
Mon
9/14
Clear
3%
23°
38°
Tue
9/15
Clear
3%
23°
38°
Wed
9/16
Clear
8%
21°
37°
Thu
9/17
Clear
3%
24°
36°
Fri
9/18
Drizzle
43%
23°
37°
Sat
9/19
Clear
35%
23°
37°
Sun
9/20
Drizzle
60%
22°
33°
Mon
9/21
Drizzle
60%
16°
32°
Tue
9/22
Drizzle
60%
16°
32°
Wed
9/23
Drizzle
60%
18°
32°
Thu
9/24
Drizzle
60%
21°
32°
Fri
9/25
Clear
60%
21°
32°
Sat
9/26
Clear
25%
20°
32°
Sun
9/27
Drizzle
60%
21°
32°
46
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
40 AQI 7.3 µg/m³
O3
Ground-level ozone
Dominant
46 AQI 50 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 46 Good 46 40
Tue 44 Good 44 33
Wed 39 Good 39 32
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 dom. 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
SBCAPE1680 J/kg
MLCAPE394 J/kg
MUCAPE1680 J/kg
SBCIN-24 J/kg
MLCIN-170 J/kg
Lifted Index-5.0
Kinematics
0–6 km Shear17 kt
0–1 km Shear1 kt
Eff. Shear19 kt
0–1 km SRH-1
0–3 km SRH43
Eff. SRH43
Storm Motion81° @ 14 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index22.4
Thermo & Levels
PWAT1.42 in
0–3 km LR8.4 °C/km
700–500 LR6.7 °C/km
Total Totals46.9
LCL759 hPa
LFC693 hPa
EL160 hPa
Freezing Lvl15,781 ft