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Hazardous Weather Conditions

Current conditions at

Shelbyville Bomar Field & Shelbyville Municipal Airport (KSYI)

Lat: 35.56°NLon: 86.44°WElev: 801ft.

Fair

73°F

23°C

Humidity 89%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 70°F (21°C)
Visibility NA
Last update 18 Sep 12:35 am CDT
Extended Forecast for

4 Miles SW Unionville TN

Heat Advisory September 18, 12:56am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 12:56am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Overnight

    Low: 71 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming north around 5 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind becoming northwest around 5 mph.

    High: 98 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. South wind around 5 mph becoming calm in the afternoon.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. South southwest wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Calm wind becoming south southwest around 5 mph.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 71. Calm wind.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming north around 5 mph.
Friday Night
Partly cloudy, with a low around 70. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind becoming northwest around 5 mph.
Saturday Night
Mostly clear, with a low around 69. Calm wind.
Sunday
Mostly sunny and hot, with a high near 97. South wind around 5 mph becoming calm in the afternoon.
Sunday Night
Mostly clear, with a low around 69. South southwest wind around 5 mph becoming calm.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Calm wind becoming south southwest around 5 mph.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 67. South wind around 5 mph becoming calm. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Unionville TN
 35.58°N 86.64°W (Elev. 646 ft)
Last Update:
10:26 pm CDT Sep 17, 2026
Forecast Valid:
12am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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