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

Robertson County, Middle Tennessee, Tennessee, United States

Last updated: 3:51 PM CDT  ·  Refresh
33°C
Feels like 37°
Mostly Clear
▲ 34°  /  ▼ 20°
Wind
7 mph WNW
Humidity
48%
Dew Point
20°
Pressure
29.25 inHg
Visibility
10 mi
UV Index
6.9
Cloud Cover
13%
Sunrise
6:28 AM
Sunset
6:57 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Robertson County is currently mostly clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1036 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 6:57PM.

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: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
4 PM
34°
10%
5 PM
33°
10%
6 PM
31°
10%
7 PM
30°
10%
8 PM
27°
10%
9 PM
26°
10%
10 PM
25°
13%
11 PM
24°
13%
12 AM
24°
14%
1 AM
23°
14%
2 AM
22°
14%
3 AM
21°
11%
4 AM
21°
5%
5 AM
21°
5%
6 AM
21°
3%
7 AM
21°
3%
8 AM
22°
3%
9 AM
23°
3%
10 AM
25°
3%
11 AM
26°
3%
12 PM
29°
3%
1 PM
29°
3%
2 PM
29°
3%
7-Day Forecast
Today
34° 20°
Mostly Clear.
Mon
32° 21°
Clear.
Tue
37° 20°
Mostly Clear.
Wed
35° 23°
Mostly Clear.
Thu
36° 22°
Clear.
Fri
35° 21°
Clear.
Sat
36° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 3% 7 mph WNW 48%
4 PM 34° Mostly Clear 10% 7 mph NW 51%
5 PM 33° Clear 10% 6 mph NW 56%
6 PM 31° Mostly Clear 10% 4 mph NW 61%
7 PM 30° Mostly Clear 10% 3 mph NNW 65%
8 PM 27° Mostly Clear 10% 3 mph N 68%
9 PM 26° Partly Cloudy 10% 4 mph NNE 71%
10 PM 25° Partly Cloudy 13% 4 mph NNE 73%
11 PM 24° Partly Cloudy 13% 4 mph NNE 75%
12 AM 24° Mostly Cloudy 14% 5 mph NNE 78%
1 AM 23° Partly Cloudy 14% 6 mph NNE 81%
2 AM 22° Mostly Clear 14% 6 mph NE 85%
3 AM 21° Clear 11% 7 mph NE 89%
4 AM 21° Clear 5% 8 mph NE 90%
5 AM 21° Mostly Clear 5% 8 mph NE 90%
6 AM 21° Mostly Clear 3% 8 mph NE 90%
7 AM 21° Mostly Clear 3% 9 mph NE 85%
8 AM 22° Clear 3% 9 mph NE 79%
9 AM 23° Clear 3% 9 mph NE 74%
10 AM 25° Mostly Clear 3% 9 mph NE 71%
11 AM 26° Mostly Clear 3% 9 mph NE 68%
12 PM 29° Mostly Clear 3% 9 mph NE 66%
1 PM 29° Mostly Clear 3% 9 mph NE 65%
2 PM 29° Mostly Clear 3% 9 mph NE 64%
15-Day Forecast
Today
9/13
Mostly Clear
10%
20°
34°
Mon
9/14
Clear
14%
21°
32°
Tue
9/15
Mostly Clear
3%
20°
37°
Wed
9/16
Mostly Clear
3%
23°
35°
Thu
9/17
Clear
19%
22°
36°
Fri
9/18
Clear
19%
21°
35°
Sat
9/19
Clear
19%
22°
36°
Sun
9/20
Clear
60%
20°
32°
Mon
9/21
Drizzle
60%
19°
32°
Tue
9/22
Drizzle
60%
14°
28°
Wed
9/23
Drizzle
60%
11°
28°
Thu
9/24
Drizzle
60%
17°
28°
Fri
9/25
Drizzle
60%
16°
28°
Sat
9/26
Drizzle
60%
16°
28°
Sun
9/27
Drizzle
60%
15°
28°
42
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
36 AQI 6.6 µg/m³
O3
Ground-level ozone
Dominant
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 42 Good 42 36
Tue 39 Good 38 39
Wed 52 Moderate 44 52
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
SBCAPE1598 J/kg
MLCAPE523 J/kg
MUCAPE1598 J/kg
SBCIN0 J/kg
MLCIN-18 J/kg
Lifted Index-3.9
Kinematics
0–6 km Shear13 kt
0–1 km Shear1 kt
Eff. Shear11 kt
0–1 km SRH3
0–3 km SRH0
Eff. SRH0
Storm Motion341° @ 21 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.0
Thermo & Levels
PWAT1.52 in
0–3 km LR8.1 °C/km
700–500 LR5.5 °C/km
Total Totals45.2
LCL816 hPa
LFC991 hPa
EL167 hPa
Freezing Lvl15,528 ft