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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Louisville Muhammad Ali International Airport (KSDF)

Lat: 38.17°NLon: 85.74°WElev: 500ft.

Partly Cloudy

84°F

29°C

Humidity 65%
Wind Speed SW 5 mph
Barometer 30.17 in (1021.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 17 Sep 11:56 pm EDT
Extended Forecast for

2 Miles NNW Shepherdsville KY

  • Overnight

    Overnight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming west around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Mostly cloudy, with a low around 70. Northeast wind 3 to 6 mph.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92. Heat index values as high as 100. Light and variable wind.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Light south wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Mostly cloudy, with a low around 70. Northeast wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 92. Heat index values as high as 100. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 71. Light south wind.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Shepherdsville KY
 38.01°N 85.74°W (Elev. 466 ft)
Last Update:
8:06 pm EDT Sep 17, 2026
Forecast Valid:
12am EDT Sep 18, 2026-6pm EDT Sep 24, 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