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: 2:56 PM CDT  ·  Refresh
33°C
Feels like 39°
Partly Cloudy
▲ 34°  /  ▼ 23°
Wind
6 mph W
Humidity
57%
Dew Point
23°
Pressure
29.06 inHg
Visibility
10 mi
UV Index
7.6
Cloud Cover
53%
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 2839 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°
26%
3 PM
34°
13%
4 PM
34°
17%
5 PM
33°
20%
6 PM
31°
26%
7 PM
29°
25%
8 PM
27°
8%
9 PM
27°
8%
10 PM
26°
10%
11 PM
26°
5%
12 AM
25°
5%
1 AM
24°
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°
10%
9 AM
31°
5%
10 AM
31°
5%
11 AM
32°
5%
12 PM
33°
3%
1 PM
33°
3%
7-Day Forecast
Today
34° 23°
Partly Cloudy with a 26% chance of rain.
Sat
36° 23°
Mostly Clear.
Sun
37° 22°
Clear.
Mon
33° 23°
Mostly Clear with a 55% chance of rain.
Tue
32° 21°
Clear.
Wed
33° 21°
Thunderstorm, 60% chance.
Thu
31° 19°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 26% 6 mph W 57%
3 PM 34° Partly Cloudy 13% 5 mph W 58%
4 PM 34° Mostly Clear 17% 5 mph W 61%
5 PM 33° Mostly Clear 20% 4 mph W 65%
6 PM 31° Rain 26% 4 mph WSW 72%
7 PM 29° Rain 25% 5 mph S 75%
8 PM 27° Partly Cloudy 8% 4 mph SSE 76%
9 PM 27° Partly Cloudy 8% 4 mph SSE 79%
10 PM 26° Partly Cloudy 10% 4 mph SSE 80%
11 PM 26° Mostly Clear 5% 4 mph SSE 82%
12 AM 25° Mostly Clear 5% 4 mph SSE 83%
1 AM 24° Mostly Clear 5% 4 mph SSE 84%
2 AM 24° Mostly Clear 5% 4 mph S 84%
3 AM 24° Mostly Clear 5% 4 mph S 85%
4 AM 23° Mostly Clear 9% 4 mph S 85%
5 AM 23° Partly Cloudy 9% 4 mph S 86%
6 AM 23° Partly Cloudy 9% 4 mph S 86%
7 AM 24° Mostly Clear 9% 4 mph SSW 79%
8 AM 28° Mostly Clear 10% 4 mph SSW 71%
9 AM 31° Clear 5% 4 mph SW 65%
10 AM 31° Clear 5% 4 mph SW 62%
11 AM 32° Clear 5% 5 mph SW 58%
12 PM 33° Clear 3% 5 mph SW 55%
1 PM 33° Mostly Clear 3% 5 mph SW 55%
15-Day Forecast
Today
8/14
Partly Cloudy
26%
23°
34°
Sat
8/15
Mostly Clear
10%
23°
36°
Sun
8/16
Clear
8%
22°
37°
Mon
8/17
Mostly Clear
55%
23°
33°
Tue
8/18
Clear
9%
21°
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
Drizzle
60%
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, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3697 J/kg
MLCAPE2512 J/kg
MUCAPE3697 J/kg
SBCIN0 J/kg
MLCIN-8 J/kg
Lifted Index-6.0
Kinematics
0–6 km Shear5 kt
0–1 km Shear5 kt
Eff. Shear12 kt
0–1 km SRH5
0–3 km SRH-33
Eff. SRH-33
Storm Motion141° @ 7 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.3
Thermo & Levels
PWAT1.99 in
0–3 km LR7.9 °C/km
700–500 LR5.1 °C/km
Total Totals45.4
LCL855 hPa
LFC984 hPa
EL128 hPa
Freezing Lvl16,214 ft