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

79°F

26°C

Humidity 65%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 66°F (19°C)
Visibility NA
Heat Index81°F (27°C)
Last update 18 Sep 9:55 pm CDT
Extended Forecast for

2 Miles WSW Fosterville TN

Heat Advisory September 18, 10:09pm until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 10:09pm until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Tonight

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 103. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph after midnight.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Heat index values as high as 101. South wind around 5 mph becoming west southwest in the afternoon.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: A 40 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.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68. South southeast wind around 5 mph.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. South wind 5 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 71. Calm wind.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 103. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph after midnight.
Sunday
Mostly sunny and hot, with a high near 97. Heat index values as high as 101. South wind around 5 mph becoming west southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 70. South wind around 5 mph.
Monday
A 40 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 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68. South southeast wind around 5 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. South wind 5 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. North wind around 5 mph. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Fosterville TN
 35.63°N 86.44°W (Elev. 784 ft)
Last Update:
7:01 pm CDT Sep 18, 2026
Forecast Valid:
10pm CDT Sep 18, 2026-6pm CDT Sep 25, 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