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

Macon County, Middle Tennessee, Tennessee, United States

Last updated: 4:57 PM CDT  ·  Refresh
32°C
Feels like 34°
Mostly Clear
▲ 33°  /  ▼ 20°
Wind
4 mph NW
Humidity
52%
Dew Point
19°
Pressure
29.05 inHg
Visibility
10 mi
UV Index
5.2
Cloud Cover
21%
Sunrise
6:24 AM
Sunset
6:54 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Macon County is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 786 J/kg) — isolated convective development possible. Sunrise: 6:24AM · Sunset: 6:54PM.

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
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
3%
5 PM
32°
3%
6 PM
31°
3%
7 PM
29°
3%
8 PM
28°
4%
9 PM
27°
4%
10 PM
26°
13%
11 PM
26°
13%
12 AM
24°
13%
1 AM
24°
13%
2 AM
23°
13%
3 AM
23°
13%
4 AM
22°
13%
5 AM
22°
11%
6 AM
22°
3%
7 AM
22°
3%
8 AM
23°
3%
9 AM
24°
3%
10 AM
24°
3%
11 AM
27°
3%
12 PM
29°
3%
1 PM
29°
3%
2 PM
29°
3%
3 PM
29°
3%
7-Day Forecast
Today
33° 20°
Mostly Clear.
Mon
32° 22°
Clear.
Tue
37° 21°
Mostly Clear.
Wed
36° 23°
Mostly Clear.
Thu
36° 22°
Clear with a 25% chance of rain.
Fri
35° 21°
Clear with a 20% chance of rain.
Sat
34° 21°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 3% 4 mph NW 52%
5 PM 32° Clear 3% 5 mph NW 56%
6 PM 31° Clear 3% 3 mph NNW 63%
7 PM 29° Mostly Clear 3% 3 mph NNE 65%
8 PM 28° Partly Cloudy 4% 3 mph N 66%
9 PM 27° Partly Cloudy 4% 4 mph NNE 68%
10 PM 26° Partly Cloudy 13% 4 mph NNE 72%
11 PM 26° Partly Cloudy 13% 4 mph N 77%
12 AM 24° Partly Cloudy 13% 4 mph NNE 81%
1 AM 24° Partly Cloudy 13% 5 mph NNE 84%
2 AM 23° Partly Cloudy 13% 6 mph NNE 87%
3 AM 23° Mostly Clear 13% 8 mph NNE 90%
4 AM 22° Mostly Clear 13% 9 mph NE 89%
5 AM 22° Partly Cloudy 11% 9 mph NE 87%
6 AM 22° Mostly Clear 3% 9 mph NE 86%
7 AM 22° Mostly Clear 3% 10 mph NE 80%
8 AM 23° Clear 3% 10 mph NE 74%
9 AM 24° Clear 3% 10 mph NE 70%
10 AM 24° Clear 3% 9 mph NE 67%
11 AM 27° Mostly Clear 3% 9 mph NE 64%
12 PM 29° Mostly Clear 3% 9 mph NE 61%
1 PM 29° Mostly Clear 3% 9 mph NE 59%
2 PM 29° Clear 3% 9 mph NE 57%
3 PM 29° Clear 3% 9 mph NE 55%
15-Day Forecast
Today
9/13
Mostly Clear
13%
20°
33°
Mon
9/14
Clear
13%
22°
32°
Tue
9/15
Mostly Clear
6%
21°
37°
Wed
9/16
Mostly Clear
10%
23°
36°
Thu
9/17
Clear
25%
22°
36°
Fri
9/18
Clear
20%
21°
35°
Sat
9/19
Mostly Clear
17%
21°
34°
Sun
9/20
Clear
43%
19°
34°
Mon
9/21
Drizzle
44%
18°
32°
Tue
9/22
Drizzle
54%
18°
28°
Wed
9/23
Drizzle
60%
17°
28°
Thu
9/24
Drizzle
60%
16°
28°
Fri
9/25
Drizzle
60%
15°
28°
Sat
9/26
Drizzle
60%
15°
28°
Sun
9/27
Drizzle
60%
14°
28°
44
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
35 AQI 6.3 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 44 Good 44 35
Tue 38 Good 35 38
Wed 49 Good 45 49
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
SBCAPE1037 J/kg
MLCAPE60 J/kg
MUCAPE1037 J/kg
SBCIN-10 J/kg
MLCIN-1 J/kg
Lifted Index-2.3
Kinematics
0–6 km Shear14 kt
0–1 km Shear5 kt
Eff. Shear14 kt
0–1 km SRH-2
0–3 km SRH23
Eff. SRH23
Storm Motion339° @ 22 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.2
Thermo & Levels
PWAT1.66 in
0–3 km LR7.7 °C/km
700–500 LR5.2 °C/km
Total Totals44.1
LCL824 hPa
LFC801 hPa
EL194 hPa
Freezing Lvl14,501 ft