Extreme Heat Warning — Stewart, TN, Montgomery, TN, Houston, TN, Humphreys, TN, Dickson, TN, Perry, TN, Hickman, TN, Lewis, TN, Wayne, TN, Lawrence, TN 8:00 PM Heat Advisory — Stewart, TN, Montgomery, TN, Houston, TN, Humphreys, TN, Dickson, TN, Perry, TN, Hickman, TN, Lewis, TN, Wayne, TN, Lawrence, TN, Robertson, TN, Sumner, TN, Macon, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, TN, Williamson, TN, Maury, TN, Marshall, TN, Rutherford, TN, Bedford, TN, Giles, TN 8:00 PM

Perry County, Middle Tennessee, Tennessee, United States

Last updated: 3:10 AM CDT  ·  Refresh
24°C
Feels like 28°
Mostly Cloudy
▲ 35°  /  ▼ 24°
Wind
4 mph W
Humidity
93%
Dew Point
23°
Pressure
29.23 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
74%
Sunrise
5:55 AM
Sunset
7:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Perry County is currently mostly cloudy at 24°C. Precipitation is likely — peak probability 56% around 5 AM. Atmospheric instability is elevated (CAPE up to 3766 J/kg) — isolated convective development possible. Sunrise: 5:55AM · Sunset: 7:59PM.

Alerts

Extreme Heat Warning
Stewart, TN, Montgomery, TN, Houston, TN, Humphreys, TN, Dickson, TN, Perry, TN, Hickman, TN, Lewis, TN, Wayne, TN, Lawrence, TN
Expires 8:00 PM
Heat Advisory
Stewart, TN, Montgomery, TN, Houston, TN, Humphreys, TN, Dickson, TN, Perry, TN, Hickman, TN, Lewis, TN, Wayne, TN, Lawrence, TN, Robertson, TN, Sumner, TN, Macon, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, TN, Williamson, TN, Maury, TN, Marshall, TN, Rutherford, TN, Bedford, TN, Giles, TN
Expires 8:00 PM
45 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
44%
4 AM
24°
50%
5 AM
23°
55%
6 AM
22°
52%
7 AM
22°
41%
8 AM
24°
26%
9 AM
26°
27%
10 AM
27°
32%
11 AM
29°
39%
12 PM
31°
40%
1 PM
33°
37%
2 PM
33°
38%
3 PM
34°
31%
4 PM
34°
25%
5 PM
33°
33%
6 PM
33°
26%
7 PM
32°
20%
8 PM
31°
20%
9 PM
28°
20%
10 PM
28°
9%
11 PM
27°
9%
12 AM
27°
9%
1 AM
27°
3%
2 AM
26°
3%
7-Day Forecast
Today
35° 24°
Rain, 52% chance.
Tue
38° 24°
Mostly Clear with a 51% chance of rain.
Wed
34° 19°
Partly Cloudy with a 55% chance of rain.
Thu
29° 18°
Clear with a 33% chance of rain.
Fri
29° 19°
Rain, 64% chance.
Sat
30° 18°
Rain, 90% chance.
Sun
28° 19°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Cloudy 44% 4 mph W 93%
4 AM 24° Drizzle 50% 3 mph ENE 93%
5 AM 23° Rain 55% 5 mph NE 93%
6 AM 22° Rain 52% 5 mph ESE 93%
7 AM 22° Overcast 41% 6 mph SSE 92%
8 AM 24° Mostly Cloudy 26% 4 mph S 87%
9 AM 26° Partly Cloudy 27% 5 mph WSW 82%
10 AM 27° Partly Cloudy 32% 6 mph WSW 77%
11 AM 29° Mostly Clear 39% 5 mph WSW 75%
12 PM 31° Mostly Clear 40% 5 mph WSW 73%
1 PM 33° Mostly Clear 37% 6 mph W 70%
2 PM 33° Mostly Clear 38% 5 mph W 68%
3 PM 34° Mostly Clear 31% 5 mph W 66%
4 PM 34° Mostly Clear 25% 5 mph W 66%
5 PM 33° Mostly Clear 33% 4 mph W 70%
6 PM 33° Clear 26% 3 mph W 75%
7 PM 32° Clear 20% 3 mph W 80%
8 PM 31° Clear 20% 3 mph SW 82%
9 PM 28° Mostly Clear 20% 4 mph SSW 84%
10 PM 28° Mostly Clear 9% 4 mph SSW 86%
11 PM 27° Mostly Clear 9% 4 mph SSW 86%
12 AM 27° Mostly Clear 9% 4 mph SSW 87%
1 AM 27° Mostly Clear 3% 5 mph SSW 88%
2 AM 26° Mostly Clear 3% 5 mph SSW 89%
15-Day Forecast
Today
7/27
Rain
52%
24°
35°
Tue
7/28
Mostly Clear
51%
24°
38°
Wed
7/29
Partly Cloudy
55%
19°
34°
Thu
7/30
Clear
33%
18°
29°
Fri
7/31
Rain
64%
19°
29°
Sat
8/1
Rain
90%
18°
30°
Sun
8/2
Drizzle
53%
19°
28°
Mon
8/3
Rain
69%
19°
32°
Tue
8/4
Rain
68%
20°
33°
Wed
8/5
Drizzle
51%
21°
33°
Thu
8/6
Drizzle
60%
22°
34°
Fri
8/7
Drizzle
60%
22°
34°
Sat
8/8
Drizzle
60%
22°
34°
Sun
8/9
Drizzle
60%
22°
33°
Mon
8/10
Drizzle
60%
21°
33°
45
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
45 AQI 8.2 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 45 Good 33 45
Tue 52 Moderate 32 52
Wed 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 Mon Jul 27, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE920 J/kg
MLCAPE781 J/kg
MUCAPE947 J/kg
SBCIN-243 J/kg
MLCIN0 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear34 kt
0–1 km Shear16 kt
Eff. Shear36 kt
0–1 km SRH-35
0–3 km SRH-47
Eff. SRH-47
Storm Motion285° @ 25 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index41.7
Thermo & Levels
PWAT2.12 in
0–3 km LR4.5 °C/km
700–500 LR6.2 °C/km
Total Totals50.6
LCL977 hPa
LFC733 hPa
EL189 hPa
Freezing Lvl15,312 ft