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: 2:56 PM CDT  ·  Refresh
33°C
Feels like 40°
Partly Cloudy
▲ 33°  /  ▼ 23°
Wind
7 mph W
Humidity
62%
Dew Point
24°
Pressure
29.02 inHg
Visibility
10 mi
UV Index
8.1
Cloud Cover
41%
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 3151 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
30 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
26%
3 PM
33°
8%
4 PM
33°
18%
5 PM
32°
23%
6 PM
31°
8%
7 PM
30°
5%
8 PM
27°
5%
9 PM
27°
5%
10 PM
26°
5%
11 PM
26°
5%
12 AM
25°
5%
1 AM
25°
9%
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°
10%
9 AM
30°
10%
10 AM
31°
10%
11 AM
32°
5%
12 PM
33°
5%
1 PM
33°
6%
7-Day Forecast
Today
33° 23°
Partly Cloudy with a 26% chance of rain.
Sat
37° 23°
Partly Cloudy.
Sun
37° 22°
Mostly Clear.
Mon
33° 23°
Partly Cloudy with a 55% chance of rain.
Tue
32° 21°
Clear.
Wed
33° 21°
Thunderstorm, 60% chance.
Thu
31° 19°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 26% 7 mph W 62%
3 PM 33° Partly Cloudy 8% 5 mph NW 63%
4 PM 33° Mostly Cloudy 18% 4 mph SW 63%
5 PM 32° Partly Cloudy 23% 4 mph WSW 70%
6 PM 31° Mostly Cloudy 8% 4 mph S 75%
7 PM 30° Mostly Cloudy 5% 4 mph S 77%
8 PM 27° Mostly Cloudy 5% 5 mph S 79%
9 PM 27° Mostly Cloudy 5% 5 mph S 80%
10 PM 26° Mostly Cloudy 5% 4 mph S 82%
11 PM 26° Partly Cloudy 5% 4 mph SSE 84%
12 AM 25° Partly Cloudy 5% 4 mph SSE 85%
1 AM 25° Mostly Clear 9% 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 SSE 89%
7 AM 24° Partly Cloudy 9% 4 mph S 82%
8 AM 28° Mostly Clear 10% 4 mph SSW 76%
9 AM 30° Mostly Clear 10% 4 mph SSW 72%
10 AM 31° Mostly Clear 10% 5 mph SSW 67%
11 AM 32° Mostly Clear 5% 5 mph SW 62%
12 PM 33° Mostly Clear 5% 5 mph SW 58%
1 PM 33° Mostly Clear 6% 5 mph SW 57%
15-Day Forecast
Today
8/14
Partly Cloudy
26%
23°
33°
Sat
8/15
Partly Cloudy
10%
23°
37°
Sun
8/16
Mostly Clear
13%
22°
37°
Mon
8/17
Partly Cloudy
55%
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
Drizzle
60%
18°
31°
Tue
8/25
Drizzle
60%
20°
32°
Wed
8/26
Drizzle
60%
21°
32°
Thu
8/27
Drizzle
60%
20°
32°
Fri
8/28
Drizzle
60%
19°
32°
30
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
30 AQI 5.5 µg/m³
O3
Ground-level ozone
28 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 30 Good 28 30
Sun 46 Good 31 46
Mon 51 Moderate 37 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, 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
SBCAPE4033 J/kg
MLCAPE2643 J/kg
MUCAPE4033 J/kg
SBCIN0 J/kg
MLCIN-4 J/kg
Lifted Index-6.4
Kinematics
0–6 km Shear6 kt
0–1 km Shear5 kt
Eff. Shear13 kt
0–1 km SRH4
0–3 km SRH-29
Eff. SRH-29
Storm Motion142° @ 7 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.5
Thermo & Levels
PWAT1.99 in
0–3 km LR7.9 °C/km
700–500 LR5.1 °C/km
Total Totals45.2
LCL862 hPa
LFC983 hPa
EL125 hPa
Freezing Lvl16,178 ft