Heat Advisory — Stewart, TN, Montgomery, TN, Robertson, TN, Sumner, TN, Macon, TN, Clay, TN, Houston, TN, Humphreys, TN, Dickson, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, TN, Jackson, TN, Putnam, TN, Perry, TN, Hickman, TN, Lewis, TN, Williamson, TN, Maury, TN, Marshall, TN, Rutherford, TN, Cannon, TN, De Kalb, TN, Bedford, TN, Wayne, TN, Lawrence, TN, Giles, TN 8:00 PM

Davidson County, Middle Tennessee, Tennessee, United States

Last updated: 4:55 PM CDT  ·  Refresh
34°C
Feels like 37°
Mostly Clear
▲ 34°  /  ▼ 20°
Wind
4 mph NW
Humidity
45%
Dew Point
19°
Pressure
29.46 inHg
Visibility
10 mi
UV Index
5.3
Cloud Cover
18%
Sunrise
6:28 AM
Sunset
6:57 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Davidson County is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1061 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 6:57PM.

Alerts

Heat Advisory
Stewart, TN, Montgomery, TN, Robertson, TN, Sumner, TN, Macon, TN, Clay, TN, Houston, TN, Humphreys, TN, Dickson, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, TN, Jackson, TN, Putnam, TN, Perry, TN, Hickman, TN, Lewis, TN, Williamson, TN, Maury, TN, Marshall, TN, Rutherford, TN, Cannon, TN, De Kalb, TN, Bedford, TN, Wayne, TN, Lawrence, TN, Giles, TN
Expires 8:00 PM
43 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
31°
3%
8 PM
28°
4%
9 PM
27°
4%
10 PM
27°
4%
11 PM
26°
4%
12 AM
25°
5%
1 AM
24°
5%
2 AM
23°
5%
3 AM
23°
5%
4 AM
23°
5%
5 AM
23°
3%
6 AM
23°
3%
7 AM
23°
3%
8 AM
24°
3%
9 AM
25°
3%
10 AM
26°
3%
11 AM
28°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
32°
3%
3 PM
32°
3%
7-Day Forecast
Today
34° 20°
Mostly Clear.
Mon
34° 23°
Clear.
Tue
38° 22°
Mostly Clear.
Wed
37° 24°
Mostly Clear.
Thu
36° 23°
Clear.
Fri
36° 23°
Clear.
Sat
36° 23°
Partly Cloudy with a 24% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 3% 4 mph NW 45%
5 PM 34° Mostly Clear 3% 5 mph N 51%
6 PM 33° Mostly Clear 3% 4 mph N 56%
7 PM 31° Mostly Clear 3% 4 mph N 60%
8 PM 28° Partly Cloudy 4% 2 mph NNW 63%
9 PM 27° Partly Cloudy 4% 3 mph NW 67%
10 PM 27° Partly Cloudy 4% 4 mph NNW 71%
11 PM 26° Partly Cloudy 4% 4 mph NNW 74%
12 AM 25° Mostly Cloudy 5% 4 mph N 77%
1 AM 24° Partly Cloudy 5% 4 mph N 79%
2 AM 23° Partly Cloudy 5% 5 mph NNE 81%
3 AM 23° Partly Cloudy 5% 6 mph NNE 83%
4 AM 23° Mostly Clear 5% 6 mph NNE 83%
5 AM 23° Mostly Clear 3% 6 mph NE 82%
6 AM 23° Clear 3% 6 mph NE 82%
7 AM 23° Clear 3% 7 mph NE 78%
8 AM 24° Clear 3% 7 mph NE 73%
9 AM 25° Clear 3% 7 mph ENE 70%
10 AM 26° Clear 3% 8 mph ENE 66%
11 AM 28° Mostly Clear 3% 8 mph ENE 63%
12 PM 31° Mostly Clear 3% 8 mph ENE 59%
1 PM 32° Mostly Clear 3% 8 mph NE 57%
2 PM 32° Mostly Clear 3% 8 mph NE 56%
3 PM 32° Clear 3% 8 mph NE 54%
15-Day Forecast
Today
9/13
Mostly Clear
4%
20°
34°
Mon
9/14
Clear
5%
23°
34°
Tue
9/15
Mostly Clear
6%
22°
38°
Wed
9/16
Mostly Clear
3%
24°
37°
Thu
9/17
Clear
17%
23°
36°
Fri
9/18
Clear
17%
23°
36°
Sat
9/19
Partly Cloudy
24%
23°
36°
Sun
9/20
Clear
43%
22°
34°
Mon
9/21
Drizzle
44%
21°
32°
Tue
9/22
Drizzle
60%
19°
29°
Wed
9/23
Drizzle
60%
13°
28°
Thu
9/24
Drizzle
60%
17°
28°
Fri
9/25
Drizzle
60%
16°
28°
Sat
9/26
Drizzle
60%
16°
28°
Sun
9/27
Drizzle
60%
15°
29°
43
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
39 AQI 7.0 µg/m³
O3
Ground-level ozone
Dominant
43 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 43 Good 43 39
Tue 46 Good 46 45
Wed 52 Moderate 51 52
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 Sep 13, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1001 J/kg
MLCAPE55 J/kg
MUCAPE1001 J/kg
SBCIN-3 J/kg
MLCIN-130 J/kg
Lifted Index-2.6
Kinematics
0–6 km Shear16 kt
0–1 km Shear5 kt
Eff. Shear17 kt
0–1 km SRH-13
0–3 km SRH15
Eff. SRH15
Storm Motion346° @ 21 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.7
Thermo & Levels
PWAT1.91 in
0–3 km LR8.1 °C/km
700–500 LR5.4 °C/km
Total Totals46.5
LCL807 hPa
LFC793 hPa
EL194 hPa
Freezing Lvl15,043 ft