Heat Advisory — Stewart, TN, Montgomery, TN, Robertson, TN, Sumner, TN, Houston, TN, Humphreys, TN, Dickson, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, TN, Perry, TN, Hickman, TN, Lewis, TN, Williamson, TN, Maury, TN, Rutherford, TN 9:00 PM

Montgomery County, Middle Tennessee, Tennessee, United States

Last updated: 5:20 AM CDT  ·  Refresh
24°C
Feels like 27°
Clear
▲ 34°  /  ▼ 23°
Wind
5 mph SSW
Humidity
86%
Dew Point
22°
Pressure
29.54 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
3%
Sunrise
6:04 AM
Sunset
7:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Montgomery County is currently clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2805 J/kg) — isolated convective development possible. Sunrise: 6:04AM · Sunset: 7:44PM.

Alerts

Heat Advisory
Stewart, TN, Montgomery, TN, Robertson, TN, Sumner, TN, Houston, TN, Humphreys, TN, Dickson, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, TN, Perry, TN, Hickman, TN, Lewis, TN, Williamson, TN, Maury, TN, Rutherford, TN
Expires 9:00 PM
35 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
9%
6 AM
22°
6%
7 AM
23°
6%
8 AM
25°
6%
9 AM
28°
6%
10 AM
29°
6%
11 AM
31°
6%
12 PM
32°
4%
1 PM
33°
4%
2 PM
34°
7%
3 PM
34°
7%
4 PM
34°
7%
5 PM
33°
7%
6 PM
32°
7%
7 PM
31°
7%
8 PM
29°
9%
9 PM
27°
9%
10 PM
27°
9%
11 PM
26°
9%
12 AM
26°
10%
1 AM
26°
8%
2 AM
26°
9%
3 AM
26°
9%
4 AM
26°
9%
7-Day Forecast
Today
34° 23°
Mostly Clear.
Wed
35° 23°
Partly Cloudy with a 29% chance of rain.
Thu
36° 23°
Mostly Cloudy with a 25% chance of rain.
Fri
34° 23°
Clear with a 25% chance of rain.
Sat
36° 23°
Clear.
Sun
37° 24°
Clear with a 34% chance of rain.
Mon
34° 22°
Thunderstorm, 49% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 9% 5 mph SSW 86%
6 AM 22° Clear 6% 5 mph SSW 84%
7 AM 23° Clear 6% 7 mph SW 82%
8 AM 25° Clear 6% 9 mph SW 76%
9 AM 28° Clear 6% 9 mph WSW 70%
10 AM 29° Clear 6% 10 mph WSW 66%
11 AM 31° Mostly Clear 6% 10 mph WSW 62%
12 PM 32° Mostly Clear 4% 10 mph WSW 57%
1 PM 33° Partly Cloudy 4% 10 mph WSW 54%
2 PM 34° Mostly Clear 7% 10 mph WSW 53%
3 PM 34° Mostly Clear 7% 10 mph WSW 52%
4 PM 34° Mostly Clear 7% 9 mph WSW 54%
5 PM 33° Mostly Clear 7% 9 mph WSW 59%
6 PM 32° Mostly Clear 7% 8 mph WSW 64%
7 PM 31° Mostly Clear 7% 6 mph SW 69%
8 PM 29° Mostly Clear 9% 6 mph SW 71%
9 PM 27° Clear 9% 5 mph SW 73%
10 PM 27° Clear 9% 6 mph SW 75%
11 PM 26° Clear 9% 6 mph SW 77%
12 AM 26° Clear 10% 6 mph SSW 78%
1 AM 26° Mostly Clear 8% 6 mph SSW 79%
2 AM 26° Mostly Clear 9% 6 mph SW 79%
3 AM 26° Mostly Clear 9% 6 mph SW 80%
4 AM 26° Mostly Clear 9% 6 mph SW 80%
15-Day Forecast
Today
8/11
Mostly Clear
9%
23°
34°
Wed
8/12
Partly Cloudy
29%
23°
35°
Thu
8/13
Mostly Cloudy
25%
23°
36°
Fri
8/14
Clear
25%
23°
34°
Sat
8/15
Clear
7%
23°
36°
Sun
8/16
Clear
34%
24°
37°
Mon
8/17
Thunderstorm
49%
22°
34°
Tue
8/18
Clear
34%
20°
33°
Wed
8/19
Clear
35%
21°
35°
Thu
8/20
Clear
35%
22°
33°
Fri
8/21
Clear
25%
21°
33°
Sat
8/22
Clear
60%
21°
33°
Sun
8/23
Drizzle
60%
21°
33°
Mon
8/24
Drizzle
60%
21°
32°
Tue
8/25
Drizzle
60%
20°
31°
35
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
35 AQI 6.3 µg/m³
O3
Ground-level ozone
32 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 35 Good 32 35
Wed 32 Good 32 26
Thu 31 Good 31 29
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 Tue Aug 11, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE935 J/kg
MLCAPE1202 J/kg
MUCAPE1561 J/kg
SBCIN-327 J/kg
MLCIN0 J/kg
Lifted Index-4.6
Kinematics
0–6 km Shear12 kt
0–1 km Shear15 kt
Eff. Shear17 kt
0–1 km SRH98
0–3 km SRH46
Eff. SRH-17
Storm Motion336° @ 12 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.0
Thermo & Levels
PWAT1.63 in
0–3 km LR4.3 °C/km
700–500 LR7.4 °C/km
Total Totals49.7
LCL967 hPa
LFC642 hPa
EL210 hPa
Freezing Lvl14,951 ft