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

Lewis County, Middle Tennessee, Tennessee, 38462, United States

Last updated: 2:55 PM CDT  ·  Refresh
34°C
Feels like 39°
Mostly Clear
▲ 36°  /  ▼ 23°
Wind
6 mph WSW
Humidity
52%
Dew Point
23°
Pressure
29.14 inHg
Visibility
10 mi
UV Index
8.6
Cloud Cover
17%
Sunrise
6:08 AM
Sunset
7:40 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lewis County is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2329 J/kg) — isolated convective development possible. Sunrise: 6:08AM · Sunset: 7:40PM.

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°
3%
3 PM
35°
3%
4 PM
36°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
31°
3%
8 PM
29°
3%
9 PM
28°
3%
10 PM
28°
3%
11 PM
27°
3%
12 AM
26°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
25°
3%
8 AM
27°
3%
9 AM
30°
3%
10 AM
31°
3%
11 AM
31°
3%
12 PM
33°
3%
1 PM
33°
3%
7-Day Forecast
Today
36° 23°
Mostly Clear.
Sat
38° 23°
Clear.
Sun
38° 24°
Clear.
Mon
35° 23°
Partly Cloudy with a 24% chance of rain.
Tue
36° 22°
Clear.
Wed
37° 23°
Drizzle, 60% chance.
Thu
33° 19°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 3% 6 mph WSW 52%
3 PM 35° Mostly Clear 3% 6 mph WSW 50%
4 PM 36° Mostly Clear 3% 6 mph WSW 53%
5 PM 34° Mostly Clear 3% 5 mph WSW 58%
6 PM 33° Mostly Clear 3% 3 mph SW 64%
7 PM 31° Clear 3% 3 mph SSE 64%
8 PM 29° Mostly Clear 3% 3 mph S 65%
9 PM 28° Mostly Clear 3% 3 mph S 67%
10 PM 28° Mostly Clear 3% 4 mph S 69%
11 PM 27° Mostly Clear 3% 4 mph S 71%
12 AM 26° Partly Cloudy 3% 4 mph S 72%
1 AM 26° Partly Cloudy 3% 4 mph S 73%
2 AM 26° Partly Cloudy 3% 4 mph SSW 74%
3 AM 26° Mostly Clear 3% 4 mph SSW 74%
4 AM 24° Mostly Clear 3% 4 mph SSW 75%
5 AM 23° Mostly Clear 3% 4 mph SSW 76%
6 AM 23° Clear 3% 4 mph SSW 77%
7 AM 25° Clear 3% 4 mph SW 70%
8 AM 27° Mostly Clear 3% 5 mph SW 64%
9 AM 30° Mostly Clear 3% 5 mph WSW 59%
10 AM 31° Mostly Clear 3% 6 mph WSW 55%
11 AM 31° Clear 3% 6 mph WSW 51%
12 PM 33° Clear 3% 6 mph WSW 47%
1 PM 33° Clear 3% 6 mph WSW 46%
15-Day Forecast
Today
8/14
Mostly Clear
3%
23°
36°
Sat
8/15
Clear
3%
23°
38°
Sun
8/16
Clear
8%
24°
38°
Mon
8/17
Partly Cloudy
24%
23°
35°
Tue
8/18
Clear
9%
22°
36°
Wed
8/19
Drizzle
60%
23°
37°
Thu
8/20
Drizzle
60%
19°
33°
Fri
8/21
Drizzle
60%
19°
32°
Sat
8/22
Drizzle
60%
16°
32°
Sun
8/23
Drizzle
60%
16°
33°
Mon
8/24
Drizzle
60%
18°
33°
Tue
8/25
Drizzle
60%
21°
34°
Wed
8/26
Drizzle
60%
22°
34°
Thu
8/27
Drizzle
60%
21°
34°
Fri
8/28
Drizzle
60%
21°
34°
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
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 31 Good 27 31
Sun 43 Good 30 43
Mon 38 Good 32 38
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
SBCAPE3337 J/kg
MLCAPE2603 J/kg
MUCAPE3337 J/kg
SBCIN0 J/kg
MLCIN-8 J/kg
Lifted Index-6.8
Kinematics
0–6 km Shear9 kt
0–1 km Shear4 kt
Eff. Shear8 kt
0–1 km SRH15
0–3 km SRH40
Eff. SRH40
Storm Motion6° @ 11 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.9
Thermo & Levels
PWAT1.87 in
0–3 km LR8.2 °C/km
700–500 LR5.7 °C/km
Total Totals48.1
LCL833 hPa
LFC987 hPa
EL133 hPa
Freezing Lvl16,191 ft