Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Louisville, Bowman Field Airport (KLOU)

Lat: 38.23°NLon: 85.66°WElev: 545ft.

Fair

83°F

28°C

Humidity 70%
Wind Speed Calm
Barometer 30.00 in (1015.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 3 Sep 9:53 pm EDT
Extended Forecast for

Simpsonville KY

Heat Advisory September 3, 09:59pm until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 3, 09:59pm until September 4, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 75 °F

    Clear

  • Friday

    Friday: A slight chance of showers between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Sunny and hot, with a high near 96. Heat index values as high as 104. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 10%.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 74. Light and variable wind.

    Low: 74 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 69. Northeast wind around 5 mph.  Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 75. Calm wind.
Friday
A slight chance of showers between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 96. Heat index values as high as 104. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 10%.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Light and variable wind.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming northwest 5 to 8 mph in the morning.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. Northeast wind around 5 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 62.
Labor Day
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville KY
 38.22°N 85.35°W (Elev. 801 ft)
8:46 pm EDT Sep 3, 2026
9pm EDT Sep 3, 2026-6pm EDT Sep 10, 2026
 
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