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: 3:55 PM CDT  ·  Refresh
36°C
Feels like 40°
Partly Cloudy
▲ 36°  /  ▼ 24°
Wind
6 mph WSW
Humidity
47%
Dew Point
23°
Pressure
29.40 inHg
Visibility
10 mi
UV Index
7.1
Cloud Cover
46%
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 2520 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
36°
8%
4 PM
36°
3%
5 PM
35°
3%
6 PM
32°
3%
7 PM
31°
3%
8 PM
29°
3%
9 PM
28°
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
29°
3%
10 AM
32°
3%
11 AM
33°
3%
12 PM
34°
3%
1 PM
34°
3%
2 PM
34°
3%
7-Day Forecast
Today
36° 24°
Mostly Clear.
Sat
37° 24°
Clear.
Sun
38° 24°
Partly Cloudy.
Mon
34° 24°
Mostly Cloudy with a 63% chance of rain.
Tue
34° 22°
Thunderstorm, 60% chance.
Wed
36° 22°
Thunderstorm, 60% chance.
Thu
31° 20°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 36° Partly Cloudy 8% 6 mph WSW 47%
4 PM 36° Partly Cloudy 3% 5 mph SW 51%
5 PM 35° Partly Cloudy 3% 4 mph SW 56%
6 PM 32° Mostly Clear 3% 3 mph SW 63%
7 PM 31° Clear 3% 3 mph SSW 65%
8 PM 29° Clear 3% 3 mph SSW 67%
9 PM 28° Mostly Clear 3% 2 mph S 68%
10 PM 28° Mostly Clear 3% 2 mph SSW 70%
11 PM 28° Mostly Clear 3% 2 mph S 73%
12 AM 27° Mostly Clear 3% 2 mph S 75%
1 AM 26° Clear 3% 3 mph S 76%
2 AM 26° Mostly Clear 3% 3 mph S 78%
3 AM 26° Mostly Clear 3% 3 mph S 79%
4 AM 24° Clear 3% 3 mph SSW 80%
5 AM 24° Clear 3% 3 mph SSW 79%
6 AM 24° Clear 3% 3 mph SW 78%
7 AM 26° Clear 3% 4 mph SW 72%
8 AM 28° Mostly Clear 3% 5 mph WSW 65%
9 AM 29° Mostly Clear 3% 5 mph WSW 58%
10 AM 32° Mostly Clear 3% 5 mph WSW 54%
11 AM 33° Clear 3% 6 mph WSW 49%
12 PM 34° Clear 3% 7 mph WSW 45%
1 PM 34° Clear 3% 7 mph W 44%
2 PM 34° Clear 3% 7 mph W 44%
15-Day Forecast
Today
8/14
Mostly Clear
8%
24°
36°
Sat
8/15
Clear
3%
24°
37°
Sun
8/16
Partly Cloudy
18%
24°
38°
Mon
8/17
Mostly Cloudy
63%
24°
34°
Tue
8/18
Thunderstorm
60%
22°
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, 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
SBCAPE3279 J/kg
MLCAPE2351 J/kg
MUCAPE3279 J/kg
SBCIN0 J/kg
MLCIN-4 J/kg
Lifted Index-6.0
Kinematics
0–6 km Shear10 kt
0–1 km Shear3 kt
Eff. Shear7 kt
0–1 km SRH4
0–3 km SRH13
Eff. SRH13
Storm Motion66° @ 7 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.1
Thermo & Levels
PWAT1.98 in
0–3 km LR8.4 °C/km
700–500 LR5.3 °C/km
Total Totals48.1
LCL830 hPa
LFC995 hPa
EL138 hPa
Freezing Lvl16,880 ft