Extreme Heat Warning — 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, Stephens, TX, Palo Pinto, TX, Parker, TX, Tarrant, TX, Dallas, TX, Rockwall, TX, Kaufman, TX, Van Zandt, TX, Rains, TX, Eastland, TX, Erath, TX, Hood, TX, Somervell, TX, Johnson, TX, Ellis, TX, Henderson, TX, Comanche, TX, Mills, TX, Hamilton, TX, Bosque, TX, Hill, TX, Navarro, TX, Freestone, TX, Anderson, TX, Lampasas, TX, Coryell, TX, Bell, TX, McLennan, TX, Falls, TX, Limestone, TX, Leon, TX, Milam, TX, Robertson, TX 9:00 PM

Fannin County, Texas, United States

Last updated: 8:32 PM CDT  ·  Refresh
37°C
Feels like 37°
Clear
▲ 42°  /  ▼ 24°
Wind
7 mph SSE
Humidity
30%
Dew Point
16°
Pressure
29.18 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
7%
Sunrise
6:52 AM
Sunset
8:00 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fannin County is currently clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 566 J/kg) — isolated convective development possible. Sunrise: 6:52AM · Sunset: 8:00PM.

Alerts

Extreme Heat Warning
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, Stephens, TX, Palo Pinto, TX, Parker, TX, Tarrant, TX, Dallas, TX, Rockwall, TX, Kaufman, TX, Van Zandt, TX, Rains, TX, Eastland, TX, Erath, TX, Hood, TX, Somervell, TX, Johnson, TX, Ellis, TX, Henderson, TX, Comanche, TX, Mills, TX, Hamilton, TX, Bosque, TX, Hill, TX, Navarro, TX, Freestone, TX, Anderson, TX, Lampasas, TX, Coryell, TX, Bell, TX, McLennan, TX, Falls, TX, Limestone, TX, Leon, TX, Milam, TX, Robertson, TX
Expires 9:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
12%
9 PM
34°
9%
10 PM
32°
9%
11 PM
32°
9%
12 AM
31°
4%
1 AM
30°
4%
2 AM
29°
4%
3 AM
29°
7%
4 AM
29°
15%
5 AM
26°
15%
6 AM
25°
15%
7 AM
26°
16%
8 AM
28°
16%
9 AM
28°
16%
10 AM
30°
16%
11 AM
31°
13%
12 PM
32°
13%
1 PM
36°
13%
2 PM
36°
17%
3 PM
38°
17%
4 PM
38°
8%
5 PM
39°
9%
6 PM
38°
9%
7 PM
38°
9%
7-Day Forecast
Tonight
42° 24°
Clear.
Mon
39° 25°
Mostly Cloudy.
Tue
41° 26°
Partly Cloudy with a 30% chance of rain.
Wed
37° 24°
Partly Cloudy with a 28% chance of rain.
Thu
38° 22°
Mostly Clear with a 21% chance of rain.
Fri
38° 22°
Clear.
Sat
38° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 37° Clear 12% 7 mph SSE 30%
9 PM 34° Mostly Clear 9% 8 mph SE 33%
10 PM 32° Mostly Clear 9% 8 mph SE 37%
11 PM 32° Mostly Clear 9% 8 mph SE 39%
12 AM 31° Mostly Clear 4% 8 mph SSE 41%
1 AM 30° Mostly Clear 4% 8 mph SSE 43%
2 AM 29° Mostly Clear 4% 8 mph S 45%
3 AM 29° Partly Cloudy 7% 9 mph S 47%
4 AM 29° Partly Cloudy 15% 9 mph S 49%
5 AM 26° Partly Cloudy 15% 9 mph SSW 51%
6 AM 25° Partly Cloudy 15% 9 mph SSW 52%
7 AM 26° Partly Cloudy 16% 9 mph SSW 49%
8 AM 28° Partly Cloudy 16% 10 mph SSW 43%
9 AM 28° Partly Cloudy 16% 12 mph SW 37%
10 AM 30° Partly Cloudy 16% 12 mph SW 33%
11 AM 31° Partly Cloudy 13% 12 mph SW 31%
12 PM 32° Mostly Cloudy 13% 12 mph SW 28%
1 PM 36° Mostly Cloudy 13% 12 mph SW 26%
2 PM 36° Mostly Cloudy 17% 13 mph SSW 24%
3 PM 38° Mostly Cloudy 17% 13 mph SSW 22%
4 PM 38° Mostly Cloudy 8% 13 mph SSW 23%
5 PM 39° Partly Cloudy 9% 13 mph SSW 26%
6 PM 38° Partly Cloudy 9% 14 mph S 29%
7 PM 38° Partly Cloudy 9% 14 mph S 32%
15-Day Forecast
Today
8/23
Clear
12%
24°
42°
Mon
8/24
Mostly Cloudy
17%
25°
39°
Tue
8/25
Partly Cloudy
30%
26°
41°
Wed
8/26
Partly Cloudy
28%
24°
37°
Thu
8/27
Mostly Clear
21%
22°
38°
Fri
8/28
Clear
17%
22°
38°
Sat
8/29
Clear
15%
23°
38°
Sun
8/30
Clear
8%
24°
38°
Mon
8/31
Clear
15%
24°
38°
Tue
9/1
Clear
15%
24°
38°
Wed
9/2
Clear
60%
24°
42°
Thu
9/3
Clear
60%
25°
41°
Fri
9/4
Clear
60%
25°
36°
Sat
9/5
Drizzle
60%
24°
34°
Sun
9/6
Drizzle
60%
24°
34°
53
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
53 AQI 10.3 µg/m³
O3
Ground-level ozone
48 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 48 53
Tue 58 Moderate 58 55
Wed 50 Good 50 48
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 Sun Aug 23, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE391 J/kg
MLCAPE369 J/kg
MUCAPE406 J/kg
SBCIN-317 J/kg
MLCIN-153 J/kg
Lifted Index-0.8
Kinematics
0–6 km Shear28 kt
0–1 km Shear5 kt
Eff. Shear33 kt
0–1 km SRH12
0–3 km SRH80
Eff. SRH100
Storm Motion41° @ 14 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.7
K-Index35.0
Thermo & Levels
PWAT1.55 in
0–3 km LR8.0 °C/km
700–500 LR6.3 °C/km
Total Totals47.9
LCL735 hPa
LFC627 hPa
EL204 hPa
Freezing Lvl16,017 ft