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

Putnam County, Middle Tennessee, Tennessee, United States

Last updated: 3:52 PM CDT  ·  Refresh
30°C
Feels like 33°
Clear
▲ 32°  /  ▼ 20°
Wind
4 mph NW
Humidity
58%
Dew Point
20°
Pressure
28.80 inHg
Visibility
10 mi
UV Index
6.8
Cloud Cover
4%
Sunrise
6:22 AM
Sunset
6:51 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Putnam County is currently clear at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1300 J/kg) — isolated convective development possible. Sunrise: 6:22AM · Sunset: 6:51PM.

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
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
3%
4 PM
32°
3%
5 PM
31°
3%
6 PM
29°
3%
7 PM
28°
3%
8 PM
26°
3%
9 PM
25°
3%
10 PM
24°
3%
11 PM
24°
3%
12 AM
23°
3%
1 AM
23°
3%
2 AM
22°
3%
3 AM
22°
3%
4 AM
21°
5%
5 AM
21°
5%
6 AM
21°
5%
7 AM
22°
5%
8 AM
23°
10%
9 AM
24°
9%
10 AM
26°
9%
11 AM
26°
9%
12 PM
28°
9%
1 PM
28°
10%
2 PM
28°
10%
7-Day Forecast
Today
32° 20°
Clear.
Mon
31° 21°
Mostly Clear.
Tue
34° 21°
Mostly Clear.
Wed
32° 21°
Mostly Clear.
Thu
33° 21°
Clear.
Fri
32° 20°
Drizzle, 60% chance.
Sat
32° 20°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 30° Clear 3% 4 mph NW 58%
4 PM 32° Clear 3% 4 mph NW 59%
5 PM 31° Clear 3% 2 mph NW 64%
6 PM 29° Clear 3% 2 mph S 67%
7 PM 28° Clear 3% 2 mph SE 69%
8 PM 26° Clear 3% 3 mph ESE 71%
9 PM 25° Clear 3% 4 mph ESE 73%
10 PM 24° Mostly Clear 3% 3 mph ESE 74%
11 PM 24° Partly Cloudy 3% 2 mph ESE 76%
12 AM 23° Partly Cloudy 3% 3 mph SE 78%
1 AM 23° Partly Cloudy 3% 2 mph ENE 79%
2 AM 22° Mostly Cloudy 3% 3 mph NE 81%
3 AM 22° Partly Cloudy 3% 3 mph NNE 83%
4 AM 21° Mostly Clear 5% 4 mph NNE 85%
5 AM 21° Mostly Clear 5% 4 mph NE 87%
6 AM 21° Clear 5% 4 mph NE 89%
7 AM 22° Clear 5% 5 mph NE 86%
8 AM 23° Mostly Clear 10% 5 mph NE 83%
9 AM 24° Mostly Clear 9% 5 mph NE 80%
10 AM 26° Mostly Clear 9% 5 mph NNE 77%
11 AM 26° Mostly Clear 9% 6 mph NNE 74%
12 PM 28° Partly Cloudy 9% 6 mph NNE 71%
1 PM 28° Mostly Clear 10% 6 mph NNE 70%
2 PM 28° Mostly Clear 10% 6 mph NNE 70%
15-Day Forecast
Today
9/13
Clear
3%
20°
32°
Mon
9/14
Mostly Clear
11%
21°
31°
Tue
9/15
Mostly Clear
3%
21°
34°
Wed
9/16
Mostly Clear
16%
21°
32°
Thu
9/17
Clear
19%
21°
33°
Fri
9/18
Drizzle
60%
20°
32°
Sat
9/19
Clear
19%
20°
32°
Sun
9/20
Rain
81%
19°
29°
Mon
9/21
Drizzle
60%
18°
28°
Tue
9/22
Drizzle
60%
14°
26°
Wed
9/23
Drizzle
60%
11°
26°
Thu
9/24
Drizzle
60%
16°
25°
Fri
9/25
Drizzle
60%
14°
25°
Sat
9/26
Drizzle
60%
14°
25°
Sun
9/27
Drizzle
60%
14°
26°
42
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
42 AQI 7.6 µg/m³
O3
Ground-level ozone
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 42 Good 40 42
Tue 51 Moderate 34 51
Wed 56 Moderate 42 56
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
SBCAPE1344 J/kg
MLCAPE417 J/kg
MUCAPE1344 J/kg
SBCIN-0 J/kg
MLCIN-9 J/kg
Lifted Index-2.3
Kinematics
0–6 km Shear14 kt
0–1 km Shear1 kt
Eff. Shear16 kt
0–1 km SRH3
0–3 km SRH2
Eff. SRH2
Storm Motion357° @ 21 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index22.4
Thermo & Levels
PWAT1.36 in
0–3 km LR7.2 °C/km
700–500 LR5.2 °C/km
Total Totals42.1
LCL843 hPa
LFC845 hPa
EL173 hPa
Freezing Lvl14,905 ft