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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Smithville TN

  • Overnight

    Overnight: Clear, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 88. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63. South wind around 5 mph becoming calm.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 82. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm. Patchy fog before 9am. High near 78. Calm wind becoming north around 5 mph. Chance of precipitation is 80%.

    High: 78 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 64. South wind around 5 mph.
Monday
Mostly sunny, with a high near 88. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 66. South wind around 5 mph.
Tuesday
A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63. South wind around 5 mph becoming calm.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 82. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 50%.
Thursday
Showers and possibly a thunderstorm. Patchy fog before 9am. High near 78. Calm wind becoming north around 5 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 60%.
Friday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 80. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 90%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Smithville TN
 35.96°N 85.8°W (Elev. 1050 ft)
Last Update:
1:31 am CDT May 18, 2026
Forecast Valid:
2am CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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