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

Shelbyville Bomar Field & Shelbyville Municipal Airport (KSYI)

Lat: 35.56°NLon: 86.44°WElev: 801ft.

Fair

82°F

28°C

Humidity 74%
Wind Speed S 5 mph
Barometer 30.08 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 5 Aug 9:55 am CDT
Extended Forecast for

Unionville TN

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 89. Heat index values as high as 99. Calm wind.

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Patchy fog between 10pm and 4am. Otherwise, mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Thursday

    Thursday: A slight chance of showers and thunderstorms between 1pm and 3pm. Sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 20%.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. South wind around 5 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 89. South southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 91 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 89. Heat index values as high as 99. Calm wind.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Patchy fog between 10pm and 4am. Otherwise, mostly clear, with a low around 70. Calm wind.
Thursday
A slight chance of showers and thunderstorms between 1pm and 3pm. Sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 71. South wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. South wind around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 89. South southwest wind around 5 mph. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville TN
 35.62°N 86.6°W (Elev. 699 ft)
Last Update:
11:31 am CDT Aug 5, 2026
Forecast Valid:
12pm CDT Aug 5, 2026-6pm CDT Aug 11, 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