Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Shelbyville Bomar Field & Shelbyville Municipal Airport (KSYI)

Lat: 35.56°NLon: 86.44°WElev: 801ft.

Fair

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 25 Jul 2:55 am CDT
Extended Forecast for

4 Miles ENE Petersburg TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 5pm.  Partly sunny, with a high near 85. Calm wind becoming west southwest around 5 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 4am, then a chance of showers.  Partly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 1pm.  Partly sunny, with a high near 89. Heat index values as high as 99. Calm wind becoming northwest around 5 mph.  Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Sunday Night

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

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. Calm wind.
Saturday
Showers and thunderstorms likely, mainly before 5pm. Partly sunny, with a high near 85. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 1pm. Partly sunny, with a high near 89. Heat index values as high as 99. Calm wind becoming northwest around 5 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 70. Calm wind.
Monday
Mostly sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Petersburg TN
 35.33°N 86.57°W (Elev. 883 ft)
2:50 am CDT Jul 25, 2026
3am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
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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