Macon County, Middle Tennessee, Tennessee, United States

Last updated: 6:23 PM CDT  ·  Refresh
25°C
Feels like 29°
Overcast
▲ 27°  /  ▼ 21°
Wind
6 mph SW
Humidity
90%
Dew Point
23°
Pressure
29.04 inHg
Visibility
8 mi
UV Index
1.9
Cloud Cover
90%
Sunrise
5:27 AM
Sunset
8:06 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Macon County is currently overcast at 25°C. Precipitation is likely — peak probability 90% around 9 PM. Atmospheric instability is elevated (CAPE up to 3633 J/kg) — isolated convective development possible. Sunrise: 5:27AM · Sunset: 8:06PM.

Alerts

No active alerts for this location.
36 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
63%
7 PM
26°
71%
8 PM
25°
78%
9 PM
24°
90%
10 PM
23°
90%
11 PM
23°
74%
12 AM
23°
60%
1 AM
22°
74%
2 AM
22°
85%
3 AM
22°
90%
4 AM
22°
90%
5 AM
21°
85%
6 AM
21°
85%
7 AM
21°
80%
8 AM
22°
80%
9 AM
24°
81%
10 AM
25°
74%
11 AM
26°
62%
12 PM
27°
55%
1 PM
29°
47%
2 PM
29°
47%
3 PM
29°
47%
4 PM
29°
37%
5 PM
30°
38%
7-Day Forecast
Tonight
27° 21°
Overcast with a 90% chance of rain.
Sun
31° 21°
Thunderstorm, 90% chance.
Mon
34° 23°
Mostly Clear.
Tue
32° 24°
Mostly Clear with a 32% chance of rain.
Wed
32° 22°
Thunderstorm, 64% chance.
Thu
32° 22°
Mostly Clear.
Fri
32° 23°
Partly Cloudy with a 28% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 25° Overcast 63% 6 mph SW 90%
7 PM 26° Overcast 71% 7 mph SW 93%
8 PM 25° Rain 78% 5 mph SW 95%
9 PM 24° Heavy Rain 90% 6 mph SW 96%
10 PM 23° Overcast 90% 5 mph S 96%
11 PM 23° Overcast 74% 4 mph SSE 97%
12 AM 23° Overcast 60% 5 mph SSE 97%
1 AM 22° Overcast 74% 5 mph S 98%
2 AM 22° Overcast 85% 5 mph S 98%
3 AM 22° Overcast 90% 6 mph S 98%
4 AM 22° Heavy Rain 90% 5 mph S 98%
5 AM 21° Heavy Rain 85% 5 mph SW 98%
6 AM 21° Thunderstorm 85% 5 mph SW 98%
7 AM 21° Thunderstorm 80% 6 mph SW 97%
8 AM 22° Rain 80% 6 mph SW 94%
9 AM 24° Rain 81% 7 mph SW 91%
10 AM 25° Partly Cloudy 74% 7 mph WSW 87%
11 AM 26° Partly Cloudy 62% 7 mph WSW 82%
12 PM 27° Partly Cloudy 55% 8 mph WSW 78%
1 PM 29° Partly Cloudy 47% 8 mph WSW 76%
2 PM 29° Partly Cloudy 47% 7 mph WSW 75%
3 PM 29° Partly Cloudy 47% 7 mph WSW 74%
4 PM 29° Partly Cloudy 37% 7 mph WSW 75%
5 PM 30° Partly Cloudy 38% 6 mph WSW 77%
15-Day Forecast
Today
6/27
Overcast
90%
21°
27°
Sun
6/28
Thunderstorm
90%
21°
31°
Mon
6/29
Mostly Clear
6%
23°
34°
Tue
6/30
Mostly Clear
32%
24°
32°
Wed
7/1
Thunderstorm
64%
22°
32°
Thu
7/2
Mostly Clear
17%
22°
32°
Fri
7/3
Partly Cloudy
28%
23°
32°
Sat
7/4
Mostly Cloudy
41%
22°
31°
Sun
7/5
Thunderstorm
68%
21°
31°
Mon
7/6
Thunderstorm
68%
21°
30°
Tue
7/7
Drizzle
63%
21°
31°
Wed
7/8
Drizzle
60%
21°
31°
Thu
7/9
Rain
90%
20°
28°
Fri
7/10
Drizzle
60%
20°
27°
Sat
7/11
Drizzle
60%
20°
28°
36
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
36 AQI 6.5 µg/m³
O3
Ground-level ozone
31 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 36 Good 31 36
Mon 31 Good 31 28
Tue 40 Good 39 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 Sat Jun 27, 22:00'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
SBCAPE1457 J/kg
MLCAPE784 J/kg
MUCAPE1457 J/kg
SBCIN-71 J/kg
MLCIN0 J/kg
Lifted Index-5.1
Kinematics
0–6 km Shear33 kt
0–1 km Shear19 kt
Eff. Shear28 kt
0–1 km SRH-30
0–3 km SRH-48
Eff. SRH-48
Storm Motion233° @ 30 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index25.9
Thermo & Levels
PWAT1.74 in
0–3 km LR5.5 °C/km
700–500 LR6.1 °C/km
Total Totals45.4
LCL947 hPa
LFC808 hPa
EL170 hPa
Freezing Lvl14,265 ft