Heat Advisory — 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, Rutherford, TN 9:00 PM

Cheatham County, Middle Tennessee, Tennessee, United States

Last updated: 5:18 AM CDT  ·  Refresh
24°C
Feels like 28°
Clear
▲ 34°  /  ▼ 24°
Wind
4 mph SSW
Humidity
88%
Dew Point
22°
Pressure
29.43 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
6:03 AM
Sunset
7:43 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cheatham County is currently clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2888 J/kg) — isolated convective development possible. Sunrise: 6:03AM · Sunset: 7:43PM.

Alerts

Heat Advisory
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, Rutherford, TN
Expires 9:00 PM
32 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
11%
6 AM
22°
10%
7 AM
23°
8%
8 AM
25°
8%
9 AM
28°
8%
10 AM
29°
8%
11 AM
31°
8%
12 PM
32°
6%
1 PM
33°
4%
2 PM
33°
7%
3 PM
34°
7%
4 PM
33°
9%
5 PM
33°
9%
6 PM
32°
11%
7 PM
31°
11%
8 PM
30°
11%
9 PM
28°
9%
10 PM
27°
9%
11 PM
27°
9%
12 AM
27°
9%
1 AM
26°
5%
2 AM
26°
5%
3 AM
26°
9%
4 AM
26°
9%
7-Day Forecast
Today
34° 24°
Mostly Clear.
Wed
36° 24°
Partly Cloudy with a 29% chance of rain.
Thu
36° 23°
Mostly Cloudy with a 25% chance of rain.
Fri
34° 24°
Clear with a 20% chance of rain.
Sat
37° 23°
Clear.
Sun
37° 24°
Drizzle, 55% chance.
Mon
34° 22°
Rain, 57% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 11% 4 mph SSW 88%
6 AM 22° Clear 10% 4 mph SSW 87%
7 AM 23° Clear 8% 5 mph SW 84%
8 AM 25° Clear 8% 7 mph SW 77%
9 AM 28° Clear 8% 8 mph WSW 70%
10 AM 29° Clear 8% 8 mph WSW 65%
11 AM 31° Mostly Clear 8% 8 mph WSW 61%
12 PM 32° Mostly Clear 6% 8 mph WSW 57%
1 PM 33° Mostly Clear 4% 8 mph WSW 53%
2 PM 33° Partly Cloudy 7% 8 mph WSW 53%
3 PM 34° Partly Cloudy 7% 8 mph SW 53%
4 PM 33° Partly Cloudy 9% 7 mph SW 54%
5 PM 33° Mostly Clear 9% 7 mph SW 59%
6 PM 32° Mostly Clear 11% 6 mph SW 64%
7 PM 31° Mostly Clear 11% 6 mph SW 68%
8 PM 30° Mostly Clear 11% 6 mph SW 70%
9 PM 28° Mostly Clear 9% 5 mph SW 72%
10 PM 27° Clear 9% 5 mph SW 74%
11 PM 27° Clear 9% 5 mph SW 75%
12 AM 27° Clear 9% 6 mph SSW 77%
1 AM 26° Clear 5% 6 mph SSW 78%
2 AM 26° Mostly Clear 5% 6 mph SW 79%
3 AM 26° Mostly Clear 9% 6 mph SW 79%
4 AM 26° Mostly Clear 9% 6 mph SW 79%
15-Day Forecast
Today
8/11
Mostly Clear
11%
24°
34°
Wed
8/12
Partly Cloudy
29%
24°
36°
Thu
8/13
Mostly Cloudy
25%
23°
36°
Fri
8/14
Clear
20%
24°
34°
Sat
8/15
Clear
7%
23°
37°
Sun
8/16
Drizzle
55%
24°
37°
Mon
8/17
Rain
57%
22°
34°
Tue
8/18
Drizzle
53%
21°
34°
Wed
8/19
Clear
53%
21°
36°
Thu
8/20
Clear
35%
22°
33°
Fri
8/21
Clear
60%
22°
33°
Sat
8/22
Drizzle
60%
21°
33°
Sun
8/23
Drizzle
60%
21°
32°
Mon
8/24
Drizzle
60%
21°
32°
Tue
8/25
Drizzle
60%
21°
31°
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
31 AQI 5.5 µg/m³
O3
Ground-level ozone
Dominant
32 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 32 Good 32 31
Wed 32 Good 32 21
Thu 34 Good 34 26
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 Tue Aug 11, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1134 J/kg
MLCAPE1166 J/kg
MUCAPE1557 J/kg
SBCIN-250 J/kg
MLCIN0 J/kg
Lifted Index-5.0
Kinematics
0–6 km Shear10 kt
0–1 km Shear15 kt
Eff. Shear11 kt
0–1 km SRH86
0–3 km SRH43
Eff. SRH43
Storm Motion337° @ 12 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.4
Thermo & Levels
PWAT1.60 in
0–3 km LR4.5 °C/km
700–500 LR7.1 °C/km
Total Totals49.3
LCL969 hPa
LFC661 hPa
EL202 hPa
Freezing Lvl14,869 ft