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

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 13 Jul 11:55 pm CDT
Extended Forecast for

Smithville TN

  • Overnight

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

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming west southwest around 5 mph in the afternoon. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Patchy Fog

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming west southwest around 5 mph.

    High: 90 °F

    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the morning. Chance of precipitation is 50%.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southwest wind around 5 mph.

    High: 89 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph.

    Low: 71 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 69. Calm wind.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming west southwest around 5 mph in the afternoon. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 69. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming west southwest around 5 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the morning. Chance of precipitation is 50%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southwest wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Smithville TN
 35.96°N 85.8°W (Elev. 1050 ft)
Last Update:
7:43 pm CDT Jul 13, 2025
Forecast Valid:
12am CDT Jul 14, 2025-6pm CDT Jul 20, 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