Extreme Heat Warning — 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, Marshall, TN, Rutherford, TN, Cannon, TN, De Kalb, TN, Bedford, TN, Wayne, TN, Lawrence, TN, Giles, TN 7:00 PM

Marshall County, Middle Tennessee, Tennessee, United States

Last updated: 2:55 PM CDT  ·  Refresh
34°C
Feels like 41°
Mostly Clear
▲ 36°  /  ▼ 23°
Wind
4 mph W
Humidity
55%
Dew Point
23°
Pressure
29.29 inHg
Visibility
10 mi
UV Index
8.5
Cloud Cover
27%
Sunrise
6:05 AM
Sunset
7:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marshall County is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2746 J/kg) — isolated convective development possible. Sunrise: 6:05AM · Sunset: 7:37PM.

Alerts

Extreme Heat Warning
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, Marshall, TN, Rutherford, TN, Cannon, TN, De Kalb, TN, Bedford, TN, Wayne, TN, Lawrence, TN, Giles, TN
Expires 7:00 PM
31 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
7%
3 PM
35°
13%
4 PM
36°
13%
5 PM
34°
12%
6 PM
32°
17%
7 PM
31°
3%
8 PM
29°
3%
9 PM
28°
3%
10 PM
28°
5%
11 PM
27°
5%
12 AM
26°
5%
1 AM
26°
5%
2 AM
26°
5%
3 AM
25°
5%
4 AM
24°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
28°
3%
9 AM
31°
3%
10 AM
32°
3%
11 AM
32°
3%
12 PM
34°
3%
1 PM
34°
3%
7-Day Forecast
Today
36° 23°
Partly Cloudy.
Sat
38° 24°
Mostly Clear.
Sun
38° 24°
Clear.
Mon
34° 24°
Partly Cloudy with a 60% chance of rain.
Tue
34° 22°
Thunderstorm, 50% chance.
Wed
36° 22°
Thunderstorm, 60% chance.
Thu
32° 20°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 7% 4 mph W 55%
3 PM 35° Mostly Clear 13% 4 mph W 56%
4 PM 36° Mostly Clear 13% 4 mph SW 59%
5 PM 34° Partly Cloudy 12% 4 mph SW 64%
6 PM 32° Mostly Clear 17% 6 mph W 69%
7 PM 31° Partly Cloudy 3% 4 mph SW 72%
8 PM 29° Partly Cloudy 3% 4 mph SSE 73%
9 PM 28° Partly Cloudy 3% 4 mph S 74%
10 PM 28° Mostly Clear 5% 4 mph S 76%
11 PM 27° Mostly Clear 5% 4 mph S 78%
12 AM 26° Mostly Clear 5% 4 mph S 80%
1 AM 26° Mostly Clear 5% 3 mph S 81%
2 AM 26° Mostly Clear 5% 3 mph S 81%
3 AM 25° Mostly Clear 5% 4 mph S 82%
4 AM 24° Mostly Clear 3% 4 mph S 82%
5 AM 24° Mostly Clear 3% 4 mph SSW 83%
6 AM 24° Mostly Clear 3% 5 mph SSW 84%
7 AM 25° Mostly Clear 3% 5 mph SW 76%
8 AM 28° Mostly Clear 3% 5 mph SW 69%
9 AM 31° Mostly Clear 3% 5 mph WSW 63%
10 AM 32° Mostly Clear 3% 6 mph WSW 59%
11 AM 32° Clear 3% 6 mph WSW 56%
12 PM 34° Clear 3% 6 mph WSW 52%
1 PM 34° Clear 3% 6 mph WSW 51%
15-Day Forecast
Today
8/14
Partly Cloudy
12%
23°
36°
Sat
8/15
Mostly Clear
5%
24°
38°
Sun
8/16
Clear
8%
24°
38°
Mon
8/17
Partly Cloudy
60%
24°
34°
Tue
8/18
Thunderstorm
50%
22°
34°
Wed
8/19
Thunderstorm
60%
22°
36°
Thu
8/20
Drizzle
60%
20°
32°
Fri
8/21
Drizzle
60%
19°
31°
Sat
8/22
Drizzle
60%
17°
31°
Sun
8/23
Drizzle
60%
17°
32°
Mon
8/24
Clear
42%
19°
32°
Tue
8/25
Drizzle
60%
21°
33°
Wed
8/26
Drizzle
60%
21°
32°
Thu
8/27
Drizzle
60%
21°
32°
Fri
8/28
Drizzle
60%
21°
32°
31
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
31 AQI 5.6 µg/m³
O3
Ground-level ozone
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 31 Good 26 31
Sun 46 Good 27 46
Mon 48 Good 31 48
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 Fri Aug 14, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3657 J/kg
MLCAPE2709 J/kg
MUCAPE3657 J/kg
SBCIN0 J/kg
MLCIN-5 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear4 kt
0–1 km Shear5 kt
Eff. Shear11 kt
0–1 km SRH15
0–3 km SRH35
Eff. SRH35
Storm Motion17° @ 11 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.7
Thermo & Levels
PWAT2.02 in
0–3 km LR8.0 °C/km
700–500 LR5.5 °C/km
Total Totals48.3
LCL846 hPa
LFC992 hPa
EL128 hPa
Freezing Lvl16,283 ft