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

97°F

36°C

Humidity 30%
Wind Speed NW 10 mph
Barometer 30.02 in
Dewpoint 61°F (16°C)
Visibility NA
Heat Index97°F (36°C)
Last update 19 Sep 12:15 pm CDT
Extended Forecast for

4 Miles NE Unionville TN

Heat Advisory September 19, 12:40pm until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 19, 12:40pm until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 99 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 70. Calm wind becoming south around 5 mph after midnight.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 103. South wind around 5 mph becoming west in the afternoon.

    High: 97 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 70. South southeast wind around 5 mph becoming calm.

    Low: 70 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. South wind around 5 mph becoming west northwest in the afternoon.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 67. North northwest wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 92. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 92 °F

    Mostly Sunny
    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

This Afternoon
A 20 percent chance of showers after 3pm. Sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming west northwest around 5 mph.
Tonight
Mostly clear, with a low around 70. Calm wind becoming south around 5 mph after midnight.
Sunday
A 20 percent chance of showers after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 103. South wind around 5 mph becoming west in the afternoon.
Sunday Night
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 70. South southeast wind around 5 mph becoming calm.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. South wind around 5 mph becoming west northwest in the afternoon.
Monday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 67. North northwest wind around 5 mph becoming calm. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 92. Calm wind becoming north 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:
4 Miles NE Unionville TN
 35.66°N 86.52°W (Elev. 751 ft)
Last Update:
11:06 am CDT Sep 19, 2026
Forecast Valid:
12pm 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