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

81°F

27°C

Humidity 42%
Wind Speed SW 10 G 20 mph
Barometer 30.11 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 15 Apr 11:55 am CDT
Extended Forecast for

Smithville TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 83. South southwest wind around 10 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. South southwest wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 1pm. Mostly sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 85. Southwest wind around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Calm wind becoming south around 5 mph after midnight.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 62. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 83. South southwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 61. South southwest wind around 5 mph.
Thursday
Showers likely and possibly a thunderstorm, mainly after 1pm. Mostly sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 85. Southwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 63. Calm wind becoming south around 5 mph after midnight.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 62. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithville TN
 35.96°N 85.83°W (Elev. 1079 ft)
Last Update:
5:16 am CDT Apr 15, 2026
Forecast Valid:
12pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation