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.

Fair

32°F

0°C

Humidity 100%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 20 Apr 5:35 am CDT
Extended Forecast for

Smithville TN

  • Today

    Today: Sunny, with a high near 69. Calm wind becoming northwest around 5 mph in the morning.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. South wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. South southwest wind around 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78. West southwest wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming south southwest around 5 mph in the morning.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. South wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 81. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 69. Calm wind becoming northwest around 5 mph in the morning.
Tonight
Mostly clear, with a low around 44. Calm wind.
Tuesday
Sunny, with a high near 76. South wind 5 to 10 mph becoming west southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 50. South southwest wind around 5 mph.
Wednesday
Sunny, with a high near 78. West southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 51. Calm wind.
Thursday
Sunny, with a high near 80. Calm wind becoming south southwest around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 56. South wind around 5 mph.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 81. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
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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:
1:31 am CDT Apr 20, 2026
Forecast Valid:
5am CDT Apr 20, 2026-6pm CDT Apr 26, 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