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

Cheatham County, Middle Tennessee, Tennessee, United States

Last updated: 2:54 PM CDT  ·  Refresh
35°C
Feels like 40°
Partly Cloudy
▲ 36°  /  ▼ 24°
Wind
6 mph WSW
Humidity
48%
Dew Point
23°
Pressure
29.41 inHg
Visibility
10 mi
UV Index
8.3
Cloud Cover
37%
Sunrise
6:05 AM
Sunset
7:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cheatham County is currently partly cloudy at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2423 J/kg) — isolated convective development possible. Sunrise: 6:05AM · Sunset: 7:39PM.

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
34 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
21%
3 PM
35°
3%
4 PM
36°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
31°
3%
8 PM
29°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
28°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
24°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
26°
3%
8 AM
28°
3%
9 AM
31°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
34°
3%
1 PM
34°
3%
7-Day Forecast
Today
36° 24°
Partly Cloudy with a 21% chance of rain.
Sat
37° 24°
Clear.
Sun
38° 24°
Mostly Clear.
Mon
33° 24°
Mostly Cloudy with a 63% chance of rain.
Tue
34° 21°
Thunderstorm, 60% chance.
Wed
36° 22°
Thunderstorm, 60% chance.
Thu
31° 20°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 35° Partly Cloudy 21% 6 mph WSW 48%
3 PM 35° Partly Cloudy 3% 5 mph WSW 48%
4 PM 36° Partly Cloudy 3% 5 mph WSW 51%
5 PM 34° Mostly Clear 3% 3 mph SW 56%
6 PM 33° Mostly Clear 3% 4 mph SSW 63%
7 PM 31° Partly Cloudy 3% 4 mph S 66%
8 PM 29° Partly Cloudy 3% 3 mph SSW 67%
9 PM 29° Mostly Clear 3% 3 mph SSW 69%
10 PM 28° Mostly Clear 3% 2 mph SSW 71%
11 PM 28° Clear 3% 2 mph S 74%
12 AM 27° Mostly Clear 3% 3 mph S 76%
1 AM 26° Clear 3% 3 mph S 77%
2 AM 26° Mostly Clear 3% 3 mph S 79%
3 AM 26° Mostly Clear 3% 3 mph S 80%
4 AM 24° Clear 3% 3 mph S 80%
5 AM 24° Clear 3% 3 mph SSW 81%
6 AM 24° Clear 3% 3 mph SSW 81%
7 AM 26° Clear 3% 4 mph SW 72%
8 AM 28° Mostly Clear 3% 4 mph SW 65%
9 AM 31° Mostly Clear 3% 5 mph WSW 59%
10 AM 31° Mostly Clear 3% 5 mph WSW 55%
11 AM 32° Clear 3% 6 mph WSW 50%
12 PM 34° Clear 3% 6 mph WSW 46%
1 PM 34° Clear 3% 6 mph WSW 45%
15-Day Forecast
Today
8/14
Partly Cloudy
21%
24°
36°
Sat
8/15
Clear
3%
24°
37°
Sun
8/16
Mostly Clear
18%
24°
38°
Mon
8/17
Mostly Cloudy
63%
24°
33°
Tue
8/18
Thunderstorm
60%
21°
34°
Wed
8/19
Thunderstorm
60%
22°
36°
Thu
8/20
Drizzle
60%
20°
31°
Fri
8/21
Drizzle
60%
18°
30°
Sat
8/22
Drizzle
60%
16°
31°
Sun
8/23
Drizzle
60%
16°
31°
Mon
8/24
Clear
25%
18°
32°
Tue
8/25
Drizzle
60%
21°
33°
Wed
8/26
Drizzle
60%
21°
33°
Thu
8/27
Drizzle
60%
21°
33°
Fri
8/28
Drizzle
60%
21°
32°
34
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
34 AQI 6.1 µg/m³
O3
Ground-level ozone
29 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 34 Good 29 34
Sun 51 Moderate 33 51
Mon 47 Good 36 47
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
SBCAPE3526 J/kg
MLCAPE2433 J/kg
MUCAPE3526 J/kg
SBCIN0 J/kg
MLCIN-4 J/kg
Lifted Index-6.2
Kinematics
0–6 km Shear8 kt
0–1 km Shear4 kt
Eff. Shear8 kt
0–1 km SRH11
0–3 km SRH20
Eff. SRH20
Storm Motion19° @ 9 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.3
Thermo & Levels
PWAT2.06 in
0–3 km LR8.4 °C/km
700–500 LR5.3 °C/km
Total Totals47.1
LCL837 hPa
LFC996 hPa
EL133 hPa
Freezing Lvl16,742 ft