Heat Advisory — Stewart, TN, Montgomery, TN, Houston, TN, Humphreys, TN, Dickson, TN, Perry, TN, Hickman, TN, Lewis, TN, Wayne, TN, Lawrence, TN, Robertson, TN, Sumner, TN, Macon, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, TN, Williamson, TN, Maury, TN, Marshall, TN, Rutherford, TN, Bedford, TN, Giles, TN 8:00 PM

Marshall County, Middle Tennessee, Tennessee, United States

Last updated: 1:57 AM CDT  ·  Refresh
24°C
Feels like 28°
Mostly Cloudy
▲ 33°  /  ▼ 24°
Wind
7 mph NW
Humidity
93%
Dew Point
23°
Pressure
29.15 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
75%
Sunrise
5:51 AM
Sunset
7:54 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marshall County is currently mostly cloudy at 25°C. Precipitation is likely — peak probability 88% around 3 AM. Atmospheric instability is elevated (CAPE up to 3282 J/kg) — isolated convective development possible. Sunrise: 5:51AM · Sunset: 7:54PM.

Alerts

Heat Advisory
Stewart, TN, Montgomery, TN, Houston, TN, Humphreys, TN, Dickson, TN, Perry, TN, Hickman, TN, Lewis, TN, Wayne, TN, Lawrence, TN, Robertson, TN, Sumner, TN, Macon, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, TN, Williamson, TN, Maury, TN, Marshall, TN, Rutherford, TN, Bedford, TN, Giles, TN
Expires 8:00 PM
34 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
85%
2 AM
24°
70%
3 AM
24°
88%
4 AM
23°
81%
5 AM
23°
66%
6 AM
22°
51%
7 AM
23°
52%
8 AM
24°
42%
9 AM
26°
27%
10 AM
27°
24%
11 AM
29°
25%
12 PM
32°
25%
1 PM
33°
17%
2 PM
33°
18%
3 PM
33°
18%
4 PM
33°
27%
5 PM
33°
18%
6 PM
32°
18%
7 PM
31°
18%
8 PM
29°
19%
9 PM
28°
19%
10 PM
28°
15%
11 PM
27°
15%
12 AM
27°
13%
7-Day Forecast
Today
33° 24°
Partly Cloudy with a 85% chance of rain.
Tue
37° 23°
Mostly Clear with a 78% chance of rain.
Wed
32° 19°
Mostly Cloudy with a 40% chance of rain.
Thu
28° 18°
Clear with a 37% chance of rain.
Fri
28° 18°
Rain, 51% chance.
Sat
28° 18°
Heavy Rain, 82% chance.
Sun
27° 19°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Cloudy 85% 7 mph NW 93%
2 AM 24° Mostly Cloudy 70% 5 mph NNW 92%
3 AM 24° Rain 88% 3 mph SSW 92%
4 AM 23° Overcast 81% 4 mph WSW 93%
5 AM 23° Rain 66% 6 mph NW 94%
6 AM 22° Mostly Cloudy 51% 6 mph NNE 95%
7 AM 23° Mostly Cloudy 52% 5 mph N 92%
8 AM 24° Mostly Cloudy 42% 5 mph SW 90%
9 AM 26° Mostly Cloudy 27% 5 mph SSW 87%
10 AM 27° Partly Cloudy 24% 5 mph SW 82%
11 AM 29° Mostly Clear 25% 5 mph WSW 76%
12 PM 32° Clear 25% 7 mph W 71%
1 PM 33° Clear 17% 7 mph WNW 68%
2 PM 33° Mostly Clear 18% 6 mph WNW 66%
3 PM 33° Mostly Clear 18% 6 mph NW 65%
4 PM 33° Mostly Clear 27% 5 mph WNW 68%
5 PM 33° Clear 18% 4 mph WNW 71%
6 PM 32° Clear 18% 3 mph W 76%
7 PM 31° Mostly Clear 18% 3 mph WSW 80%
8 PM 29° Partly Cloudy 19% 4 mph SW 83%
9 PM 28° Mostly Cloudy 19% 5 mph SW 86%
10 PM 28° Partly Cloudy 15% 5 mph SW 86%
11 PM 27° Partly Cloudy 15% 5 mph SW 87%
12 AM 27° Partly Cloudy 13% 5 mph SW 87%
15-Day Forecast
Today
7/27
Partly Cloudy
85%
24°
33°
Tue
7/28
Mostly Clear
78%
23°
37°
Wed
7/29
Mostly Cloudy
40%
19°
32°
Thu
7/30
Clear
37%
18°
28°
Fri
7/31
Rain
51%
18°
28°
Sat
8/1
Heavy Rain
82%
18°
28°
Sun
8/2
Rain
82%
19°
27°
Mon
8/3
Rain
69%
19°
30°
Tue
8/4
Rain
68%
20°
32°
Wed
8/5
Drizzle
51%
21°
32°
Thu
8/6
Drizzle
60%
21°
32°
Fri
8/7
Drizzle
60%
21°
31°
Sat
8/8
Drizzle
60%
21°
32°
Sun
8/9
Drizzle
60%
21°
31°
Mon
8/10
Drizzle
60%
21°
32°
34
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
34 AQI 6.2 µg/m³
O3
Ground-level ozone
32 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 34 Good 32 34
Tue 41 Good 32 41
Wed 43 Good 31 43
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 Mon Jul 27, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1256 J/kg
MLCAPE1119 J/kg
MUCAPE1377 J/kg
SBCIN-102 J/kg
MLCIN0 J/kg
Lifted Index-3.9
Kinematics
0–6 km Shear27 kt
0–1 km Shear11 kt
Eff. Shear28 kt
0–1 km SRH4
0–3 km SRH-43
Eff. SRH-43
Storm Motion290° @ 28 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.2
Thermo & Levels
PWAT2.41 in
0–3 km LR4.9 °C/km
700–500 LR5.8 °C/km
Total Totals49.1
LCL967 hPa
LFC768 hPa
EL169 hPa
Freezing Lvl14,895 ft