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

Fannin County, Texas, United States

Last updated: 6:04 AM CDT  ·  Refresh
25°C
Feels like 26°
Clear
▲ 37°  /  ▼ 24°
Wind
10 mph S
Humidity
79%
Dew Point
21°
Pressure
29.36 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
4%
Sunrise
6:43 AM
Sunset
8:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fannin County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1970 J/kg) — isolated convective development possible. Sunrise: 6:43AM · Sunset: 8:14PM.

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
25°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
26°
3%
10 AM
28°
3%
11 AM
30°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
36°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
37°
3%
6 PM
37°
3%
7 PM
36°
3%
8 PM
34°
3%
9 PM
33°
3%
10 PM
31°
3%
11 PM
30°
3%
12 AM
29°
3%
1 AM
27°
3%
2 AM
28°
3%
3 AM
28°
3%
4 AM
27°
3%
5 AM
26°
3%
7-Day Forecast
Today
37° 24°
Clear.
Wed
40° 24°
Clear.
Thu
40° 23°
Clear.
Fri
40° 22°
Clear.
Sat
41° 24°
Mostly Cloudy.
Sun
42° 24°
Partly Cloudy.
Mon
41° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 25° Clear 3% 10 mph S 79%
7 AM 22° Clear 3% 11 mph SSW 76%
8 AM 24° Clear 3% 13 mph SSW 70%
9 AM 26° Clear 3% 13 mph SSW 65%
10 AM 28° Clear 3% 14 mph SSW 60%
11 AM 30° Clear 3% 13 mph SSW 54%
12 PM 32° Clear 3% 13 mph SSW 49%
1 PM 33° Clear 3% 13 mph SSW 44%
2 PM 36° Mostly Clear 3% 12 mph SSW 40%
3 PM 37° Mostly Clear 3% 12 mph SSW 37%
4 PM 37° Mostly Clear 3% 12 mph SSW 35%
5 PM 37° Mostly Clear 3% 12 mph SSW 34%
6 PM 37° Mostly Clear 3% 13 mph SSW 35%
7 PM 36° Mostly Clear 3% 13 mph SSW 36%
8 PM 34° Mostly Clear 3% 12 mph SSW 39%
9 PM 33° Clear 3% 12 mph S 43%
10 PM 31° Clear 3% 12 mph S 47%
11 PM 30° Clear 3% 13 mph S 50%
12 AM 29° Clear 3% 13 mph S 53%
1 AM 27° Clear 3% 14 mph S 55%
2 AM 28° Clear 3% 14 mph S 58%
3 AM 28° Clear 3% 14 mph SSW 62%
4 AM 27° Clear 3% 14 mph SSW 65%
5 AM 26° Clear 3% 14 mph SSW 68%
15-Day Forecast
Today
8/11
Clear
3%
24°
37°
Wed
8/12
Clear
3%
24°
40°
Thu
8/13
Clear
3%
23°
40°
Fri
8/14
Clear
3%
22°
40°
Sat
8/15
Mostly Cloudy
3%
24°
41°
Sun
8/16
Partly Cloudy
7%
24°
42°
Mon
8/17
Clear
8%
24°
41°
Tue
8/18
Mostly Clear
34%
25°
42°
Wed
8/19
Mostly Clear
15%
26°
41°
Thu
8/20
Partly Cloudy
15%
26°
40°
Fri
8/21
Clear
25%
26°
41°
Sat
8/22
Drizzle
60%
26°
40°
Sun
8/23
Drizzle
60%
26°
40°
Mon
8/24
Drizzle
60%
26°
39°
Tue
8/25
Drizzle
60%
25°
38°
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
23 AQI 4.2 µg/m³
O3
Ground-level ozone
Dominant
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 35 Good 35 23
Wed 50 Good 39 50
Thu 33 Good 33 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 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
SBCAPE382 J/kg
MLCAPE58 J/kg
MUCAPE382 J/kg
SBCIN-327 J/kg
MLCIN0 J/kg
Lifted Index-1.2
Kinematics
0–6 km Shear8 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH20
0–3 km SRH10
Eff. SRH—
Storm Motion347° @ 8 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index26.0
Thermo & Levels
PWAT1.44 in
0–3 km LR4.6 °C/km
700–500 LR6.1 °C/km
Total Totals44.7
LCL942 hPa
LFC641 hPa
EL249 hPa
Freezing Lvl15,768 ft