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

Smithville, Tennessee

Last updated: 3:49 PM CDT  ·  Refresh
33°C
Feels like 39°
Partly Cloudy
▲ 34°  /  ▼ 23°
Wind
5 mph WNW
Humidity
58%
Dew Point
24°
Pressure
29.03 inHg
Visibility
10 mi
UV Index
7.2
Cloud Cover
43%
Sunrise
6:01 AM
Sunset
7:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Smithville is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2918 J/kg) — isolated convective development possible. Sunrise: 6:01AM · Sunset: 7:34PM.

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
33°
8%
4 PM
34°
18%
5 PM
33°
23%
6 PM
31°
8%
7 PM
30°
5%
8 PM
28°
5%
9 PM
27°
5%
10 PM
27°
5%
11 PM
26°
5%
12 AM
26°
5%
1 AM
25°
8%
2 AM
24°
9%
3 AM
24°
9%
4 AM
23°
9%
5 AM
23°
9%
6 AM
23°
9%
7 AM
24°
9%
8 AM
28°
9%
9 AM
29°
10%
10 AM
31°
10%
11 AM
32°
5%
12 PM
34°
5%
1 PM
34°
5%
2 PM
34°
6%
7-Day Forecast
Today
34° 23°
Partly Cloudy.
Sat
37° 23°
Partly Cloudy.
Sun
37° 22°
Mostly Clear.
Mon
33° 23°
Partly Cloudy with a 38% chance of rain.
Tue
32° 21°
Clear.
Wed
33° 21°
Thunderstorm, 60% chance.
Thu
31° 19°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 8% 5 mph WNW 58%
4 PM 34° Mostly Clear 18% 5 mph W 60%
5 PM 33° Partly Cloudy 23% 4 mph W 68%
6 PM 31° Partly Cloudy 8% 4 mph W 74%
7 PM 30° Partly Cloudy 5% 4 mph SW 78%
8 PM 28° Partly Cloudy 5% 4 mph S 79%
9 PM 27° Partly Cloudy 5% 4 mph S 81%
10 PM 27° Mostly Cloudy 5% 3 mph SSE 83%
11 PM 26° Mostly Cloudy 5% 4 mph SSE 84%
12 AM 26° Partly Cloudy 5% 4 mph SSE 86%
1 AM 25° Mostly Clear 8% 4 mph SSE 86%
2 AM 24° Mostly Clear 9% 4 mph S 86%
3 AM 24° Mostly Clear 9% 4 mph S 86%
4 AM 23° Mostly Clear 9% 4 mph S 87%
5 AM 23° Partly Cloudy 9% 4 mph S 87%
6 AM 23° Partly Cloudy 9% 4 mph S 87%
7 AM 24° Partly Cloudy 9% 4 mph S 83%
8 AM 28° Mostly Clear 9% 4 mph SSW 77%
9 AM 29° Mostly Clear 10% 4 mph SSW 70%
10 AM 31° Mostly Clear 10% 5 mph SW 66%
11 AM 32° Mostly Clear 5% 5 mph SW 61%
12 PM 34° Mostly Clear 5% 5 mph SW 56%
1 PM 34° Mostly Clear 5% 5 mph WSW 55%
2 PM 34° Mostly Clear 6% 6 mph WSW 54%
15-Day Forecast
Today
8/14
Partly Cloudy
8%
23°
34°
Sat
8/15
Partly Cloudy
10%
23°
37°
Sun
8/16
Mostly Clear
12%
22°
37°
Mon
8/17
Partly Cloudy
38%
23°
33°
Tue
8/18
Clear
19%
21°
32°
Wed
8/19
Thunderstorm
60%
21°
33°
Thu
8/20
Drizzle
60%
19°
31°
Fri
8/21
Drizzle
60%
18°
30°
Sat
8/22
Drizzle
60%
16°
30°
Sun
8/23
Drizzle
60%
16°
31°
Mon
8/24
Clear
42%
18°
31°
Tue
8/25
Drizzle
60%
20°
32°
Wed
8/26
Drizzle
60%
21°
31°
Thu
8/27
Drizzle
60%
20°
32°
Fri
8/28
Drizzle
60%
19°
31°
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 5.5 µg/m³
O3
Ground-level ozone
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 31 Good 28 31
Sun 46 Good 31 46
Mon 51 Moderate 36 51
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, 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
SBCAPE3825 J/kg
MLCAPE2518 J/kg
MUCAPE3825 J/kg
SBCIN0 J/kg
MLCIN-3 J/kg
Lifted Index-6.8
Kinematics
0–6 km Shear6 kt
0–1 km Shear3 kt
Eff. Shear10 kt
0–1 km SRH-2
0–3 km SRH9
Eff. SRH9
Storm Motion101° @ 8 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.5
Thermo & Levels
PWAT1.99 in
0–3 km LR7.8 °C/km
700–500 LR5.4 °C/km
Total Totals47.3
LCL858 hPa
LFC983 hPa
EL129 hPa
Freezing Lvl16,417 ft