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

Cannon County, Middle Tennessee, Tennessee, United States

Last updated: 3:52 PM CDT  ·  Refresh
32°C
Feels like 34°
Mostly Clear
▲ 34°  /  ▼ 19°
Wind
5 mph NW
Humidity
46%
Dew Point
18°
Pressure
28.97 inHg
Visibility
10 mi
UV Index
6.9
Cloud Cover
13%
Sunrise
6:25 AM
Sunset
6:54 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cannon County is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1116 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 6:54PM.

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
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
3%
4 PM
34°
3%
5 PM
33°
3%
6 PM
31°
3%
7 PM
30°
3%
8 PM
26°
3%
9 PM
26°
3%
10 PM
25°
3%
11 PM
24°
3%
12 AM
23°
3%
1 AM
22°
3%
2 AM
22°
3%
3 AM
21°
3%
4 AM
21°
5%
5 AM
21°
5%
6 AM
21°
5%
7 AM
22°
5%
8 AM
24°
5%
9 AM
26°
5%
10 AM
28°
5%
11 AM
28°
10%
12 PM
30°
9%
1 PM
30°
10%
2 PM
31°
10%
7-Day Forecast
Today
34° 19°
Mostly Clear.
Mon
33° 21°
Clear.
Tue
37° 21°
Clear.
Wed
34° 21°
Partly Cloudy.
Thu
36° 21°
Clear.
Fri
35° 21°
Drizzle, 60% chance.
Sat
35° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 3% 5 mph NW 46%
4 PM 34° Mostly Clear 3% 5 mph NNW 49%
5 PM 33° Mostly Clear 3% 4 mph NNW 53%
6 PM 31° Partly Cloudy 3% 3 mph NNE 58%
7 PM 30° Mostly Clear 3% 3 mph E 62%
8 PM 26° Mostly Clear 3% 3 mph ESE 66%
9 PM 26° Clear 3% 4 mph SE 70%
10 PM 25° Mostly Clear 3% 3 mph SE 72%
11 PM 24° Partly Cloudy 3% 2 mph SE 73%
12 AM 23° Partly Cloudy 3% 2 mph S 75%
1 AM 22° Partly Cloudy 3% 2 mph ESE 76%
2 AM 22° Mostly Cloudy 3% 2 mph E 77%
3 AM 21° Partly Cloudy 3% 2 mph NE 79%
4 AM 21° Mostly Clear 5% 3 mph ENE 80%
5 AM 21° Mostly Clear 5% 3 mph ENE 82%
6 AM 21° Clear 5% 3 mph E 83%
7 AM 22° Clear 5% 4 mph ENE 79%
8 AM 24° Clear 5% 4 mph ENE 73%
9 AM 26° Mostly Clear 5% 4 mph ENE 69%
10 AM 28° Mostly Clear 5% 5 mph ENE 68%
11 AM 28° Mostly Clear 10% 5 mph NE 67%
12 PM 30° Mostly Clear 9% 6 mph NE 65%
1 PM 30° Mostly Clear 10% 6 mph NE 64%
2 PM 31° Mostly Clear 10% 6 mph NE 63%
15-Day Forecast
Today
9/13
Mostly Clear
3%
19°
34°
Mon
9/14
Clear
11%
21°
33°
Tue
9/15
Clear
3%
21°
37°
Wed
9/16
Partly Cloudy
3%
21°
34°
Thu
9/17
Clear
19%
21°
36°
Fri
9/18
Drizzle
60%
21°
35°
Sat
9/19
Clear
19%
21°
35°
Sun
9/20
Drizzle
60%
19°
32°
Mon
9/21
Drizzle
60%
19°
32°
Tue
9/22
Drizzle
60%
15°
28°
Wed
9/23
Drizzle
60%
11°
28°
Thu
9/24
Drizzle
60%
16°
28°
Fri
9/25
Drizzle
60%
15°
28°
Sat
9/26
Drizzle
60%
15°
28°
Sun
9/27
Drizzle
60%
14°
28°
44
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 7.2 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 44 Good 44 39
Tue 44 Good 39 44
Wed 52 Moderate 44 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, 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
SBCAPE397 J/kg
MLCAPE22 J/kg
MUCAPE397 J/kg
SBCIN-10 J/kg
MLCIN-61 J/kg
Lifted Index-0.4
Kinematics
0–6 km Shear10 kt
0–1 km Shear2 kt
Eff. Shear9 kt
0–1 km SRH-4
0–3 km SRH13
Eff. SRH13
Storm Motion3° @ 21 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index17.1
Thermo & Levels
PWAT1.23 in
0–3 km LR8.0 °C/km
700–500 LR5.1 °C/km
Total Totals41.0
LCL791 hPa
LFC724 hPa
EL211 hPa
Freezing Lvl15,197 ft