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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

Shelbyville Bomar Field & Shelbyville Municipal Airport (KSYI)

Lat: 35.56°NLon: 86.44°WElev: 801ft.

Fair

91°F

33°C

Humidity 49%
Wind Speed S 12 mph
Barometer 29.98 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 20 Aug 1:35 pm CDT
Extended Forecast for

6 Miles E Petersburg TN

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 99. West wind around 5 mph.

    High: 92 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 89 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. North wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 99. West wind around 5 mph.
Tonight
Showers and thunderstorms likely, mainly before 2am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 66. North wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 90. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 63.
Monday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Petersburg TN
 35.32°N 86.54°W (Elev. 1079 ft)
Last Update:
1:50 pm CDT Aug 20, 2026
Forecast Valid:
1pm CDT Aug 20, 2026-6pm CDT Aug 26, 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