Heat Advisory — Montague, TX, Cooke, TX, Grayson, TX, Fannin, TX, Lamar, TX, Young, 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, Van Zandt, TX, Rains, TX, Hood, TX, Somervell, TX, Johnson, TX, Ellis, TX, Henderson, TX, Navarro, TX, Freestone, TX, Anderson, TX, Leon, TX 8:00 PM

Fannin County, Texas, United States

Last updated: 12:23 AM CDT  ·  Refresh
28°C
Feels like 28°
Clear
▲ 39°  /  ▼ 24°
Wind
7 mph S
Humidity
52%
Dew Point
18°
Pressure
29.24 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:33 AM
Sunset
8:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fannin County is currently clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 616 J/kg) — isolated convective development possible. Sunrise: 6:33AM · Sunset: 8:28PM.

Alerts

Heat Advisory
Montague, TX, Cooke, TX, Grayson, TX, Fannin, TX, Lamar, TX, Young, 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, Van Zandt, TX, Rains, TX, Hood, TX, Somervell, TX, Johnson, TX, Ellis, TX, Henderson, TX, Navarro, TX, Freestone, TX, Anderson, TX, Leon, TX
Expires 8:00 PM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
5%
1 AM
27°
5%
2 AM
27°
5%
3 AM
26°
3%
4 AM
26°
3%
5 AM
25°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
27°
3%
9 AM
29°
3%
10 AM
31°
3%
11 AM
33°
3%
12 PM
34°
3%
1 PM
36°
3%
2 PM
37°
3%
3 PM
38°
3%
4 PM
38°
3%
5 PM
37°
3%
6 PM
38°
3%
7 PM
37°
3%
8 PM
35°
3%
9 PM
33°
3%
10 PM
31°
3%
11 PM
31°
3%
7-Day Forecast
Today
39° 24°
Mostly Clear.
Tue
41° 24°
Mostly Cloudy.
Wed
39° 26°
Mostly Clear.
Thu
40° 26°
Clear.
Fri
41° 27°
Rain, 21% chance.
Sat
38° 24°
Clear.
Sun
37° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 5% 7 mph S 52%
1 AM 27° Clear 5% 8 mph S 52%
2 AM 27° Clear 5% 9 mph SSW 55%
3 AM 26° Clear 3% 9 mph SSW 57%
4 AM 26° Clear 3% 9 mph SSW 61%
5 AM 25° Clear 3% 8 mph SSW 65%
6 AM 23° Clear 3% 8 mph SSW 70%
7 AM 24° Clear 3% 9 mph SSW 70%
8 AM 27° Clear 3% 10 mph SW 63%
9 AM 29° Clear 3% 12 mph SW 56%
10 AM 31° Clear 3% 12 mph SW 50%
11 AM 33° Mostly Clear 3% 11 mph SW 44%
12 PM 34° Partly Cloudy 3% 10 mph SSW 39%
1 PM 36° Partly Cloudy 3% 10 mph SSW 35%
2 PM 37° Mostly Clear 3% 11 mph SSW 33%
3 PM 38° Mostly Clear 3% 11 mph SSW 31%
4 PM 38° Mostly Clear 3% 11 mph SSW 30%
5 PM 37° Mostly Clear 3% 11 mph SSW 31%
6 PM 38° Mostly Clear 3% 10 mph SSW 32%
7 PM 37° Mostly Clear 3% 10 mph SSW 34%
8 PM 35° Mostly Clear 3% 9 mph SSW 37%
9 PM 33° Mostly Clear 3% 8 mph SSW 40%
10 PM 31° Mostly Clear 3% 8 mph S 42%
11 PM 31° Mostly Clear 3% 9 mph S 44%
15-Day Forecast
Today
7/27
Mostly Clear
5%
24°
39°
Tue
7/28
Mostly Cloudy
3%
24°
41°
Wed
7/29
Mostly Clear
13%
26°
39°
Thu
7/30
Clear
14%
26°
40°
Fri
7/31
Rain
21%
27°
41°
Sat
8/1
Clear
17%
24°
38°
Sun
8/2
Clear
17%
21°
37°
Mon
8/3
Clear
17%
22°
38°
Tue
8/4
Clear
19%
23°
39°
Wed
8/5
Clear
27%
26°
39°
Thu
8/6
Drizzle
60%
26°
38°
Fri
8/7
Drizzle
60%
25°
37°
Sat
8/8
Drizzle
60%
24°
38°
Sun
8/9
Drizzle
60%
25°
38°
Mon
8/10
Clear
60%
26°
38°
54
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
54 AQI 10.8 µg/m³
O3
Ground-level ozone
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 42 54
Tue 43 Good 43 42
Wed 47 Good 47 47
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Mon Jul 27, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE51 J/kg
MUCAPE303 J/kg
SBCIN-4861 J/kg
MLCIN0 J/kg
Lifted Index4.7
Kinematics
0–6 km Shear17 kt
0–1 km Shear12 kt
Eff. Shear—
0–1 km SRH82
0–3 km SRH36
Eff. SRH—
Storm Motion277° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index27.7
Thermo & Levels
PWAT1.45 in
0–3 km LR5.0 °C/km
700–500 LR5.0 °C/km
Total Totals35.9
LCL863 hPa
LFC—
EL—
Freezing Lvl18,297 ft