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

Sparta Upper Cumberland Regional Airport (KSRB)

Lat: 36.06°NLon: 85.53°WElev: 1024ft.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 70°F (21°C)
Visibility 1.50 mi
Last update 18 Aug 1:35 am CDT
Extended Forecast for

Smithville TN

  • Overnight

    Overnight: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Heat index values as high as 100. Calm wind.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the morning.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67. North northeast wind around 5 mph becoming calm.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 70. Calm wind.
Monday
Sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming north northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 93. Heat index values as high as 100. Calm wind.
Tuesday Night
Mostly clear, with a low around 69. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 69. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 67. North northeast wind around 5 mph becoming calm.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 67.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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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:
12:28 am CDT Aug 18, 2025
Forecast Valid:
2am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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