National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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 N 12 mph
Barometer 30.03 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 19 Aug 11:55 am CDT
Extended Forecast for

Fosterville TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 93. Heat index values as high as 98. Calm wind becoming south southeast around 5 mph.

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 72. Calm wind becoming south southwest around 5 mph in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 90. Heat index values as high as 99. South southwest wind around 5 mph becoming northeast in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 69. North northwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 67. North wind around 5 mph becoming calm.

    Low: 67 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, sunny, with a high near 90. Light north wind becoming northwest 5 to 10 mph in the afternoon.

    High: 90 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. North northwest wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Light north northeast wind becoming north 5 to 10 mph in the afternoon.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 93. Heat index values as high as 98. Calm wind becoming south southeast around 5 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 72. Calm wind becoming south southwest around 5 mph in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 90. Heat index values as high as 99. South southwest wind around 5 mph becoming northeast in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 69. North northwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Friday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 67. North wind around 5 mph becoming calm.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 90. Light north wind becoming northwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 67. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 89. Light north northeast wind becoming north 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 66.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 67.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Fosterville TN
 35.65°N 86.41°W (Elev. 837 ft)
Last Update:
1:31 am CDT Aug 19, 2026
Forecast Valid:
12pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation