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 PM

Bell County, Texas, United States

Last updated: 3:47 PM CDT  ·  Refresh
36°C
Feels like 38°
Mostly Clear
▲ 38°  /  ▼ 23°
Wind
11 mph SSE
Humidity
39%
Dew Point
21°
Pressure
29,37 inHg
Visibility
10 mi
UV Index
8,0
Cloud Cover
13%
Sunrise
7:12 AM
Sunset
7:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Bell County is currently mostly clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2260 J/kg) — isolated convective development possible. Sunrise: 7:12AM · Sunset: 7:37PM.

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 PM
37 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
4%
4 PM
37°
5%
5 PM
36°
5%
6 PM
33°
5%
7 PM
32°
5%
8 PM
30°
5%
9 PM
29°
5%
10 PM
29°
5%
11 PM
28°
3%
12 AM
27°
3%
1 AM
27°
3%
2 AM
27°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
24°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
33°
3%
2 PM
34°
3%
7-Day Forecast
Today
38° 23°
Mostly Clear.
Mon
38° 23°
Mostly Clear.
Tue
38° 23°
Partly Cloudy.
Wed
36° 24°
Partly Cloudy with a 44% chance of rain.
Thu
36° 23°
Drizzle, 43% chance.
Fri
36° 22°
Clear.
Sat
36° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 4% 11 mph SSE 39%
4 PM 37° Mostly Clear 5% 11 mph SSE 41%
5 PM 36° Mostly Clear 5% 12 mph SSE 44%
6 PM 33° Mostly Clear 5% 13 mph SSE 47%
7 PM 32° Mostly Clear 5% 13 mph SSE 53%
8 PM 30° Partly Cloudy 5% 13 mph SSE 62%
9 PM 29° Partly Cloudy 5% 12 mph S 68%
10 PM 29° Mostly Clear 5% 11 mph S 70%
11 PM 28° Mostly Clear 3% 10 mph S 72%
12 AM 27° Mostly Clear 3% 10 mph S 74%
1 AM 27° Mostly Clear 3% 8 mph S 76%
2 AM 27° Mostly Clear 3% 7 mph S 78%
3 AM 26° Partly Cloudy 3% 7 mph S 80%
4 AM 26° Partly Cloudy 3% 6 mph S 82%
5 AM 24° Partly Cloudy 3% 5 mph S 84%
6 AM 23° Partly Cloudy 3% 5 mph S 86%
7 AM 24° Partly Cloudy 3% 5 mph S 83%
8 AM 26° Mostly Clear 3% 6 mph S 76%
9 AM 27° Mostly Clear 3% 6 mph S 70%
10 AM 29° Mostly Clear 3% 7 mph S 65%
11 AM 30° Mostly Clear 3% 8 mph S 61%
12 PM 31° Mostly Clear 3% 9 mph S 57%
1 PM 33° Mostly Clear 3% 9 mph S 54%
2 PM 34° Mostly Clear 3% 9 mph S 52%
15-Day Forecast
Today
9/13
Mostly Clear
5%
23°
38°
Mon
9/14
Mostly Clear
3%
23°
38°
Tue
9/15
Partly Cloudy
8%
23°
38°
Wed
9/16
Partly Cloudy
44%
24°
36°
Thu
9/17
Drizzle
43%
23°
36°
Fri
9/18
Clear
3%
22°
36°
Sat
9/19
Clear
19%
22°
36°
Sun
9/20
Clear
60%
23°
35°
Mon
9/21
Drizzle
60%
22°
34°
Tue
9/22
Drizzle
60%
19°
33°
Wed
9/23
Drizzle
60%
21°
33°
Thu
9/24
Drizzle
60%
22°
32°
Fri
9/25
Drizzle
60%
22°
32°
Sat
9/26
Drizzle
60%
21°
32°
Sun
9/27
Drizzle
60%
21°
32°
37
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
37 AQI 6.6 µg/m³
O3
Ground-level ozone
32 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 37 Good 32 37
Tue 31 Good 31 25
Wed 37 Good 35 37
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 dim. 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
SBCAPE2210 J/kg
MLCAPE1619 J/kg
MUCAPE2210 J/kg
SBCIN-0 J/kg
MLCIN-28 J/kg
Lifted Index-3.8
Kinematics
0–6 km Shear9 kt
0–1 km Shear3 kt
Eff. Shear11 kt
0–1 km SRH-10
0–3 km SRH3
Eff. SRH3
Storm Motion143° @ 20 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.4
Thermo & Levels
PWAT1.69 in
0–3 km LR8.3 °C/km
700–500 LR5.3 °C/km
Total Totals44.8
LCL801 hPa
LFC784 hPa
EL155 hPa
Freezing Lvl16,526 ft