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: 3:49 PM CDT  ·  Refresh
92°F
Feels like 100°
Partly Cloudy
▲ 93°  /  ▼ 68°
Wind
4 mph WSW
Humidity
52%
Dew Point
66°
Pressure
29.29 inHg
Visibility
9 mi
UV Index
6.8
Cloud Cover
35%
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 92°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1718 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
92°
13%
4 PM
91°
17%
5 PM
92°
17%
6 PM
89°
5%
7 PM
86°
5%
8 PM
84°
5%
9 PM
79°
5%
10 PM
78°
5%
11 PM
77°
5%
12 AM
76°
5%
1 AM
74°
5%
2 AM
73°
5%
3 AM
73°
11%
4 AM
72°
11%
5 AM
72°
11%
6 AM
72°
11%
7 AM
74°
12%
8 AM
77°
12%
9 AM
79°
12%
10 AM
83°
9%
11 AM
85°
10%
12 PM
86°
10%
1 PM
90°
10%
2 PM
90°
10%
7-Day Forecast
Today
93° 68°
Partly Cloudy.
Mon
97° 72°
Mostly Clear.
Tue
102° 74°
Clear.
Wed
99° 76°
Clear.
Thu
101° 72°
Clear.
Fri
100° 71°
Drizzle, 60% chance.
Sat
98° 70°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 92° Partly Cloudy 13% 4 mph WSW 52%
4 PM 91° Partly Cloudy 17% 6 mph W 56%
5 PM 92° Partly Cloudy 17% 6 mph NNW 58%
6 PM 89° Partly Cloudy 5% 4 mph NNE 62%
7 PM 86° Partly Cloudy 5% 4 mph NNE 65%
8 PM 84° Partly Cloudy 5% 4 mph NNE 68%
9 PM 79° Partly Cloudy 5% 4 mph SW 70%
10 PM 78° Partly Cloudy 5% 4 mph E 73%
11 PM 77° Partly Cloudy 5% 3 mph NE 77%
12 AM 76° Partly Cloudy 5% 3 mph NNE 80%
1 AM 74° Partly Cloudy 5% 3 mph NNE 82%
2 AM 73° Partly Cloudy 5% 3 mph NE 83%
3 AM 73° Partly Cloudy 11% 3 mph NE 84%
4 AM 72° Mostly Clear 11% 4 mph NE 84%
5 AM 72° Mostly Clear 11% 4 mph NE 84%
6 AM 72° Clear 11% 4 mph NE 85%
7 AM 74° Clear 12% 5 mph ENE 80%
8 AM 77° Mostly Clear 12% 5 mph ENE 74%
9 AM 79° Partly Cloudy 12% 5 mph ENE 69%
10 AM 83° Partly Cloudy 9% 5 mph ENE 65%
11 AM 85° Partly Cloudy 10% 5 mph ENE 62%
12 PM 86° Mostly Clear 10% 5 mph ENE 60%
1 PM 90° Mostly Clear 10% 5 mph ENE 59%
2 PM 90° Mostly Clear 10% 5 mph ENE 59%
15-Day Forecast
Today
9/13
Partly Cloudy
13%
68°
93°
Mon
9/14
Mostly Clear
12%
72°
97°
Tue
9/15
Clear
3%
74°
102°
Wed
9/16
Clear
3%
76°
99°
Thu
9/17
Clear
19%
72°
101°
Fri
9/18
Drizzle
60%
71°
100°
Sat
9/19
Clear
19%
70°
98°
Sun
9/20
Drizzle
60%
68°
95°
Mon
9/21
Drizzle
60%
66°
94°
Tue
9/22
Drizzle
60%
58°
88°
Wed
9/23
Drizzle
60%
50°
86°
Thu
9/24
Drizzle
60%
62°
86°
Fri
9/25
Drizzle
60%
61°
86°
Sat
9/26
Clear
25%
61°
86°
Sun
9/27
Drizzle
60%
60°
88°
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, 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
SBCAPE959 J/kg
MLCAPE438 J/kg
MUCAPE959 J/kg
SBCIN-16 J/kg
MLCIN-12 J/kg
Lifted Index-2.4
Kinematics
0–6 km Shear11 kt
0–1 km Shear4 kt
Eff. Shear9 kt
0–1 km SRH12
0–3 km SRH36
Eff. SRH36
Storm Motion18° @ 15 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.3
Thermo & Levels
PWAT1.69 in
0–3 km LR8.3 °C/km
700–500 LR5.0 °C/km
Total Totals45.1
LCL807 hPa
LFC788 hPa
EL189 hPa
Freezing Lvl15,594 ft