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

Perry County, Middle Tennessee, Tennessee, United States

Last updated: 2:52 PM CDT  ·  Refresh
36°C
Feels like 41°
Clear
▲ 37°  /  ▼ 24°
Wind
6 mph WSW
Humidity
49%
Dew Point
22°
Pressure
29.38 inHg
Visibility
10 mi
UV Index
8.7
Cloud Cover
9%
Sunrise
6:09 AM
Sunset
7:41 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Perry County is currently clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1871 J/kg) — isolated convective development possible. Sunrise: 6:09AM · Sunset: 7:41PM.

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
32 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
3%
3 PM
36°
3%
4 PM
37°
3%
5 PM
35°
3%
6 PM
34°
3%
7 PM
32°
3%
8 PM
30°
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
25°
3%
8 AM
27°
3%
9 AM
30°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
34°
3%
1 PM
34°
3%
7-Day Forecast
Today
37° 24°
Clear.
Sat
38° 24°
Clear.
Sun
39° 24°
Mostly Clear.
Mon
34° 24°
Partly Cloudy with a 24% chance of rain.
Tue
37° 22°
Clear.
Wed
38° 23°
Drizzle, 60% chance.
Thu
33° 19°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 36° Clear 3% 6 mph WSW 49%
3 PM 36° Clear 3% 7 mph WSW 49%
4 PM 37° Clear 3% 6 mph WSW 52%
5 PM 35° Clear 3% 5 mph WSW 55%
6 PM 34° Clear 3% 3 mph W 60%
7 PM 32° Clear 3% 3 mph WSW 61%
8 PM 30° Clear 3% 2 mph S 62%
9 PM 29° Mostly Clear 3% 3 mph SSE 64%
10 PM 28° Mostly Clear 3% 3 mph S 66%
11 PM 28° Mostly Clear 3% 3 mph S 68%
12 AM 27° Mostly Clear 3% 4 mph S 70%
1 AM 26° Mostly Clear 3% 4 mph S 71%
2 AM 26° Mostly Clear 3% 4 mph S 71%
3 AM 26° Mostly Clear 3% 4 mph S 72%
4 AM 24° Mostly Clear 3% 4 mph SSW 72%
5 AM 24° Mostly Clear 3% 4 mph SSW 72%
6 AM 24° Mostly Clear 3% 4 mph SSW 73%
7 AM 25° Mostly Clear 3% 4 mph SW 67%
8 AM 27° Mostly Clear 3% 5 mph SW 61%
9 AM 30° Clear 3% 5 mph WSW 57%
10 AM 31° Clear 3% 5 mph WSW 53%
11 AM 32° Clear 3% 6 mph WSW 49%
12 PM 34° Clear 3% 6 mph WSW 46%
1 PM 34° Clear 3% 6 mph WSW 45%
15-Day Forecast
Today
8/14
Clear
3%
24°
37°
Sat
8/15
Clear
3%
24°
38°
Sun
8/16
Mostly Clear
8%
24°
39°
Mon
8/17
Partly Cloudy
24%
24°
34°
Tue
8/18
Clear
19%
22°
37°
Wed
8/19
Drizzle
60%
23°
38°
Thu
8/20
Drizzle
60%
19°
33°
Fri
8/21
Drizzle
60%
18°
32°
Sat
8/22
Drizzle
60%
16°
33°
Sun
8/23
Drizzle
60%
16°
33°
Mon
8/24
Clear
25%
18°
34°
Tue
8/25
Drizzle
60%
21°
35°
Wed
8/26
Drizzle
60%
22°
34°
Thu
8/27
Drizzle
60%
22°
35°
Fri
8/28
Drizzle
60%
21°
34°
32
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
32 AQI 5.8 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 32 Good 31 32
Sun 46 Good 32 46
Mon 40 Good 34 40
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
SBCAPE2773 J/kg
MLCAPE2237 J/kg
MUCAPE2773 J/kg
SBCIN0 J/kg
MLCIN-8 J/kg
Lifted Index-6.0
Kinematics
0–6 km Shear10 kt
0–1 km Shear4 kt
Eff. Shear8 kt
0–1 km SRH13
0–3 km SRH37
Eff. SRH37
Storm Motion4° @ 10 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.5
Thermo & Levels
PWAT1.88 in
0–3 km LR8.4 °C/km
700–500 LR5.7 °C/km
Total Totals48.0
LCL818 hPa
LFC995 hPa
EL140 hPa
Freezing Lvl16,434 ft