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.

Navarro County, Texas, United States

Last updated: 3:49 p. m. CDT  ·  Refresh
37°C
Feels like 38°
Mostly Clear
▲ 38°  /  ▼ 23°
Wind
9 mph S
Humidity
34%
Dew Point
20°
Pressure
29,48 inHg
Visibility
10 mi
UV Index
7,9
Cloud Cover
20%
Sunrise
7:08 a. m.
Sunset
7:34 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Navarro County is currently mostly clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1808 J/kg) — isolated convective development possible. Sunrise: 7:08A. M. · Sunset: 7:34P. 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.
32 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
3%
4 p. m.
37°
5%
5 p. m.
37°
5%
6 p. m.
36°
5%
7 p. m.
34°
5%
8 p. m.
32°
5%
9 p. m.
31°
5%
10 p. m.
30°
3%
11 p. m.
29°
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.
26°
3%
9 a. m.
26°
3%
10 a. m.
29°
3%
11 a. m.
30°
3%
12 p. m.
31°
3%
1 p. m.
33°
3%
2 p. m.
33°
3%
7-Day Forecast
Today
38° 23°
Mostly Clear.
Mon
38° 23°
Mostly Clear.
Tue
38° 22°
Clear.
Wed
36° 21°
Clear.
Thu
35° 23°
Clear.
Fri
36° 23°
Clear.
Sat
36° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 37° Mostly Clear 3% 9 mph S 34%
4 p. m. 37° Partly Cloudy 5% 10 mph S 33%
5 p. m. 37° Mostly Clear 5% 11 mph SSE 35%
6 p. m. 36° Clear 5% 11 mph SSE 37%
7 p. m. 34° Clear 5% 9 mph SSE 42%
8 p. m. 32° Clear 5% 9 mph SSE 47%
9 p. m. 31° Clear 5% 10 mph SSE 55%
10 p. m. 30° Clear 3% 10 mph SSE 60%
11 p. m. 29° Clear 3% 9 mph S 61%
12 a. m. 29° Clear 3% 8 mph S 64%
1 a. m. 28° Clear 3% 8 mph S 69%
2 a. m. 27° Clear 3% 7 mph S 74%
3 a. m. 27° Clear 3% 6 mph S 79%
4 a. m. 26° Clear 3% 6 mph S 82%
5 a. m. 23° Mostly Clear 3% 6 mph S 84%
6 a. m. 23° Partly Cloudy 3% 6 mph S 86%
7 a. m. 24° Mostly Clear 3% 6 mph S 82%
8 a. m. 26° Mostly Clear 3% 8 mph SSW 74%
9 a. m. 26° Clear 3% 8 mph SSW 69%
10 a. m. 29° Clear 3% 9 mph SSW 63%
11 a. m. 30° Clear 3% 9 mph SSW 58%
12 p. m. 31° Clear 3% 10 mph S 52%
1 p. m. 33° Clear 3% 10 mph S 50%
2 p. m. 33° Mostly Clear 3% 10 mph S 48%
15-Day Forecast
Today
9/13
Mostly Clear
5%
23°
38°
Mon
9/14
Mostly Clear
7%
23°
38°
Tue
9/15
Clear
8%
22°
38°
Wed
9/16
Clear
3%
21°
36°
Thu
9/17
Clear
3%
23°
35°
Fri
9/18
Clear
3%
23°
36°
Sat
9/19
Clear
19%
23°
36°
Sun
9/20
Clear
60%
22°
34°
Mon
9/21
Drizzle
60%
20°
33°
Tue
9/22
Drizzle
60%
17°
32°
Wed
9/23
Drizzle
60%
19°
32°
Thu
9/24
Drizzle
60%
21°
31°
Fri
9/25
Clear
25%
21°
31°
Sat
9/26
Clear
60%
20°
32°
Sun
9/27
Drizzle
60%
20°
32°
32
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
32 AQI 5.7 µg/m³
O3
Ground-level ozone
Dominant
32 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 32 Good 32 32
Tue 35 Good 35 24
Wed 34 Good 34 27
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
SBCAPE1824 J/kg
MLCAPE762 J/kg
MUCAPE1824 J/kg
SBCIN0 J/kg
MLCIN-34 J/kg
Lifted Index-3.5
Kinematics
0–6 km Shear9 kt
0–1 km Shear2 kt
Eff. Shear11 kt
0–1 km SRH-5
0–3 km SRH11
Eff. SRH11
Storm Motion132° @ 17 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.2
Thermo & Levels
PWAT1.63 in
0–3 km LR8.5 °C/km
700–500 LR5.6 °C/km
Total Totals45.2
LCL782 hPa
LFC998 hPa
EL159 hPa
Freezing Lvl16,509 ft