Extreme Heat Warning — Stewart, TN, Montgomery, TN, Robertson, TN, Sumner, TN, Houston, TN, Humphreys, TN, Dickson, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, 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 7:00 PM

Cannon County, Middle Tennessee, Tennessee, United States

Last updated: 3:45 PM CDT  ·  Refresh
33°C
Feels like 39°
Partly Cloudy
▲ 34°  /  ▼ 23°
Wind
6 mph W
Humidity
55%
Dew Point
23°
Pressure
29.05 inHg
Visibility
10 mi
UV Index
7.2
Cloud Cover
45%
Sunrise
6:02 AM
Sunset
7:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cannon County is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3117 J/kg) — isolated convective development possible. Sunrise: 6:02AM · Sunset: 7:34PM.

Alerts

Extreme Heat Warning
Stewart, TN, Montgomery, TN, Robertson, TN, Sumner, TN, Houston, TN, Humphreys, TN, Dickson, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, 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 7:00 PM
29 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
8%
4 PM
34°
13%
5 PM
33°
13%
6 PM
32°
10%
7 PM
30°
8%
8 PM
27°
8%
9 PM
27°
8%
10 PM
26°
10%
11 PM
26°
10%
12 AM
26°
5%
1 AM
25°
5%
2 AM
24°
5%
3 AM
24°
5%
4 AM
23°
9%
5 AM
23°
9%
6 AM
23°
9%
7 AM
24°
9%
8 AM
28°
9%
9 AM
29°
5%
10 AM
31°
5%
11 AM
32°
5%
12 PM
33°
3%
1 PM
33°
3%
2 PM
33°
3%
7-Day Forecast
Today
34° 23°
Partly Cloudy.
Sat
36° 23°
Mostly Clear.
Sun
37° 22°
Clear.
Mon
33° 23°
Mostly Clear with a 60% chance of rain.
Tue
32° 22°
Clear.
Wed
33° 21°
Thunderstorm, 60% chance.
Thu
31° 19°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 8% 6 mph W 55%
4 PM 34° Partly Cloudy 13% 5 mph W 59%
5 PM 33° Mostly Clear 13% 4 mph W 64%
6 PM 32° Partly Cloudy 10% 4 mph W 71%
7 PM 30° Mostly Cloudy 8% 4 mph S 75%
8 PM 27° Mostly Cloudy 8% 4 mph SSE 76%
9 PM 27° Partly Cloudy 8% 3 mph SSE 78%
10 PM 26° Partly Cloudy 10% 4 mph SSE 80%
11 PM 26° Partly Cloudy 10% 4 mph SSE 81%
12 AM 26° Partly Cloudy 5% 4 mph SSE 82%
1 AM 25° Mostly Clear 5% 4 mph SSE 83%
2 AM 24° Mostly Clear 5% 4 mph S 84%
3 AM 24° Mostly Clear 5% 4 mph S 84%
4 AM 23° Mostly Clear 9% 4 mph S 85%
5 AM 23° Mostly Clear 9% 4 mph S 85%
6 AM 23° Partly Cloudy 9% 4 mph S 85%
7 AM 24° Mostly Clear 9% 4 mph SSW 80%
8 AM 28° Mostly Clear 9% 4 mph SSW 73%
9 AM 29° Clear 5% 4 mph SW 65%
10 AM 31° Clear 5% 4 mph SW 61%
11 AM 32° Clear 5% 5 mph SW 58%
12 PM 33° Clear 3% 5 mph SW 54%
1 PM 33° Mostly Clear 3% 5 mph WSW 53%
2 PM 33° Mostly Clear 3% 5 mph WSW 53%
15-Day Forecast
Today
8/14
Partly Cloudy
10%
23°
34°
Sat
8/15
Mostly Clear
9%
23°
36°
Sun
8/16
Clear
8%
22°
37°
Mon
8/17
Mostly Clear
60%
23°
33°
Tue
8/18
Clear
9%
22°
32°
Wed
8/19
Thunderstorm
60%
21°
33°
Thu
8/20
Drizzle
60%
19°
31°
Fri
8/21
Drizzle
60%
18°
30°
Sat
8/22
Drizzle
60%
16°
29°
Sun
8/23
Drizzle
60%
16°
31°
Mon
8/24
Clear
42%
18°
31°
Tue
8/25
Drizzle
60%
20°
32°
Wed
8/26
Drizzle
60%
21°
31°
Thu
8/27
Drizzle
60%
21°
32°
Fri
8/28
Drizzle
60%
20°
32°
29
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
29 AQI 5.2 µg/m³
O3
Ground-level ozone
26 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 29 Good 26 29
Sun 44 Good 28 44
Mon 49 Good 33 49
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 Fri Aug 14, 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
SBCAPE3669 J/kg
MLCAPE2379 J/kg
MUCAPE3669 J/kg
SBCIN0 J/kg
MLCIN-5 J/kg
Lifted Index-6.4
Kinematics
0–6 km Shear9 kt
0–1 km Shear1 kt
Eff. Shear7 kt
0–1 km SRH-1
0–3 km SRH4
Eff. SRH4
Storm Motion134° @ 8 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.0
Thermo & Levels
PWAT1.95 in
0–3 km LR7.9 °C/km
700–500 LR5.3 °C/km
Total Totals46.4
LCL850 hPa
LFC984 hPa
EL131 hPa
Freezing Lvl16,483 ft