Heat Advisory — Stewart, TN, Montgomery, TN, Robertson, TN, Sumner, TN, Macon, TN, Clay, TN, Houston, TN, Humphreys, TN, Dickson, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, TN, Jackson, TN, Putnam, 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 8:00 PM

Perry County, Middle Tennessee, Tennessee, United States

Last updated: 4:53 PM CDT  ·  Refresh
33°C
Feels like 37°
Partly Cloudy
▲ 34°  /  ▼ 20°
Wind
4 mph WSW
Humidity
54%
Dew Point
19°
Pressure
29.29 inHg
Visibility
9 mi
UV Index
5.4
Cloud Cover
32%
Sunrise
6:32 AM
Sunset
7:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Perry County is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1642 J/kg) — isolated convective development possible. Sunrise: 6:32AM · Sunset: 7:01PM.

Alerts

Heat Advisory
Stewart, TN, Montgomery, TN, Robertson, TN, Sumner, TN, Macon, TN, Clay, TN, Houston, TN, Humphreys, TN, Dickson, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, TN, Jackson, TN, Putnam, 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 8:00 PM
36 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
18%
5 PM
33°
19%
6 PM
31°
9%
7 PM
30°
10%
8 PM
27°
15%
9 PM
26°
17%
10 PM
26°
19%
11 PM
25°
17%
12 AM
24°
17%
1 AM
24°
5%
2 AM
23°
5%
3 AM
23°
10%
4 AM
23°
14%
5 AM
22°
14%
6 AM
22°
14%
7 AM
24°
15%
8 AM
25°
11%
9 AM
26°
11%
10 AM
27°
9%
11 AM
29°
9%
12 PM
32°
9%
1 PM
33°
9%
2 PM
33°
9%
3 PM
33°
9%
7-Day Forecast
Today
34° 20°
Partly Cloudy.
Mon
34° 22°
Mostly Clear.
Tue
39° 24°
Mostly Clear.
Wed
38° 25°
Mostly Clear.
Thu
38° 22°
Mostly Clear with a 20% chance of rain.
Fri
38° 22°
Drizzle, 52% chance.
Sat
37° 21°
Partly Cloudy with a 24% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 18% 4 mph WSW 54%
5 PM 33° Partly Cloudy 19% 5 mph NNW 58%
6 PM 31° Mostly Cloudy 9% 4 mph NNE 62%
7 PM 30° Mostly Cloudy 10% 4 mph NNE 66%
8 PM 27° Partly Cloudy 15% 4 mph NNE 68%
9 PM 26° Partly Cloudy 17% 4 mph NW 70%
10 PM 26° Partly Cloudy 19% 4 mph NNE 73%
11 PM 25° Partly Cloudy 17% 3 mph NNE 77%
12 AM 24° Partly Cloudy 17% 3 mph NNE 81%
1 AM 24° Partly Cloudy 5% 4 mph NE 83%
2 AM 23° Partly Cloudy 5% 4 mph NE 86%
3 AM 23° Partly Cloudy 10% 4 mph NE 87%
4 AM 23° Partly Cloudy 14% 4 mph NE 88%
5 AM 22° Mostly Clear 14% 5 mph NE 88%
6 AM 22° Mostly Clear 14% 5 mph NE 88%
7 AM 24° Mostly Clear 15% 6 mph ENE 85%
8 AM 25° Partly Cloudy 11% 6 mph ENE 81%
9 AM 26° Partly Cloudy 11% 6 mph ENE 79%
10 AM 27° Partly Cloudy 9% 6 mph ENE 75%
11 AM 29° Mostly Clear 9% 6 mph ENE 71%
12 PM 32° Mostly Clear 9% 6 mph ENE 67%
1 PM 33° Mostly Clear 9% 6 mph ENE 65%
2 PM 33° Mostly Clear 9% 6 mph ENE 63%
3 PM 33° Mostly Clear 9% 7 mph ENE 61%
15-Day Forecast
Today
9/13
Partly Cloudy
19%
20°
34°
Mon
9/14
Mostly Clear
15%
22°
34°
Tue
9/15
Mostly Clear
3%
24°
39°
Wed
9/16
Mostly Clear
8%
25°
38°
Thu
9/17
Mostly Clear
20%
22°
38°
Fri
9/18
Drizzle
52%
22°
38°
Sat
9/19
Partly Cloudy
24%
21°
37°
Sun
9/20
Drizzle
60%
20°
35°
Mon
9/21
Drizzle
60%
19°
33°
Tue
9/22
Drizzle
67%
18°
31°
Wed
9/23
Drizzle
60%
14°
30°
Thu
9/24
Drizzle
60%
17°
30°
Fri
9/25
Drizzle
60%
16°
30°
Sat
9/26
Clear
25%
16°
30°
Sun
9/27
Drizzle
60%
16°
31°
36
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
33 AQI 6.0 µg/m³
O3
Ground-level ozone
Dominant
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 36 Good 36 33
Tue 44 Good 44 43
Wed 50 Good 40 50
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 Sun Sep 13, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE793 J/kg
MLCAPE251 J/kg
MUCAPE1414 J/kg
SBCIN-48 J/kg
MLCIN-114 J/kg
Lifted Index-2.3
Kinematics
0–6 km Shear13 kt
0–1 km Shear6 kt
Eff. Shear13 kt
0–1 km SRH-7
0–3 km SRH3
Eff. SRH3
Storm Motion4° @ 20 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.1
Thermo & Levels
PWAT1.80 in
0–3 km LR7.8 °C/km
700–500 LR5.5 °C/km
Total Totals47.5
LCL813 hPa
LFC780 hPa
EL202 hPa
Freezing Lvl15,125 ft