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

Hazardous Weather Conditions

Current conditions at

Shelbyville Bomar Field & Shelbyville Municipal Airport (KSYI)

Lat: 35.56°NLon: 86.44°WElev: 801ft.

Fair

81°F

27°C

Humidity 70%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 70°F (21°C)
Visibility NA
Heat Index85°F (29°C)
Last update 19 Sep 8:35 am CDT
Extended Forecast for

5 Miles NNE Unionville TN

Heat Advisory September 19, 08:55am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 19, 08:55am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Today

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 71. Calm wind becoming south around 5 mph after midnight.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 100. South wind around 5 mph becoming west in the afternoon.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Calm wind becoming south around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. South wind around 5 mph becoming west in the afternoon.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 89 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Partly cloudy, with a low around 63. North wind around 5 mph.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming northwest around 5 mph.
Tonight
Mostly clear, with a low around 71. Calm wind becoming south around 5 mph after midnight.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 100. South wind around 5 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 69. Calm wind becoming south around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. South wind around 5 mph becoming west in the afternoon.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers. Partly cloudy, with a low around 63. North wind around 5 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. North northwest wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Unionville TN
 35.68°N 86.54°W (Elev. 797 ft)
Last Update:
5:12 am CDT Sep 19, 2026
Forecast Valid:
8am CDT Sep 19, 2026-6pm CDT Sep 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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