National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Winchester Municipal Airport (KBGF)

Lat: 35.18°NLon: 86.07°WElev: 979ft.

Partly Cloudy

79°F

26°C

Humidity 94%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 11 Aug 10:15 pm CDT
Extended Forecast for

Winchester TN

Heat Advisory August 12, 01:00pm until August 14, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 100. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 30%.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 5am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm. Chance of precipitation is 10%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming west southwest around 5 mph in the morning.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 72. Calm wind.
Wednesday
A chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 100. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 5am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm. Chance of precipitation is 10%.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming west southwest around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 75. Calm wind.
Friday
Sunny, with a high near 94.
Friday Night
Partly cloudy, with a low around 75.
Saturday
Sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winchester TN
 35.19°N 86.11°W (Elev. 902 ft)
Last Update:
9:50 pm CDT Aug 11, 2026
Forecast Valid:
10pm CDT Aug 11, 2026-6pm CDT Aug 18, 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