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

90°F

32°C

Humidity 49%
Wind Speed Vrbl 6 mph
Barometer 30.30 in
Dewpoint 68°F (20°C)
Visibility NA
Heat Index94°F (34°C)
Last update 17 Sep 10:35 am CDT
Extended Forecast for

3 Miles NE Unionville TN

Heat Advisory September 17, 10:56am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 10:56am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. North wind around 5 mph becoming calm.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph after midnight.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 98. South wind around 5 mph becoming west southwest in the afternoon.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 105. Southwest wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 72. Calm wind.
Friday
Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. North wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph.
Saturday Night
Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph after midnight.
Sunday
Sunny and hot, with a high near 98. South wind around 5 mph becoming west southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 70. South wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. South wind around 5 mph becoming west in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Unionville TN
 35.64°N 86.55°W (Elev. 748 ft)
Last Update:
6:21 am CDT Sep 17, 2026
Forecast Valid:
10am CDT Sep 17, 2026-6pm CDT Sep 23, 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