National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sparta Upper Cumberland Regional Airport (KSRB)

Lat: 36.06°NLon: 85.53°WElev: 1024ft.

Partly Cloudy

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 14 Sep 7:35 am CDT
Extended Forecast for

Smithville TN

Heat Advisory September 15, 11:00am until September 15, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the morning.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. Northeast wind around 5 mph becoming southeast after midnight.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Heat index values as high as 104. South wind around 5 mph.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Calm wind becoming south around 5 mph in the evening.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. South wind around 5 mph becoming calm in the morning.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Calm wind becoming north northeast around 5 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Calm wind becoming north northeast around 5 mph.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the morning.
Tonight
Mostly clear, with a low around 67. Northeast wind around 5 mph becoming southeast after midnight.
Tuesday
Sunny, with a high near 96. Heat index values as high as 104. South wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 71. Calm wind becoming south around 5 mph in the evening.
Wednesday
Sunny, with a high near 94. South wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly clear, with a low around 68. Calm wind.
Thursday
Sunny, with a high near 94. Calm wind becoming north northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 68. Calm wind.
Friday
Sunny, with a high near 94. Calm wind becoming north northeast around 5 mph.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Smithville TN
 35.96°N 85.83°W (Elev. 1079 ft)
Last Update:
5:46 am CDT Sep 14, 2026
Forecast Valid:
7am CDT Sep 14, 2026-6pm CDT Sep 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation