Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Louisville Muhammad Ali International Airport (KSDF)

Lat: 38.17°NLon: 85.74°WElev: 500ft.

Light Rain

75°F

24°C

Humidity 82%
Wind Speed NW 8 mph
Barometer 29.93 in (1013.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 20 Aug 4:56 am EDT
Extended Forecast for

4 Miles S Valley Station KY

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms.  Cloudy, with a low around 68. Light west wind.

    Low: 68 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 83. Calm wind becoming south around 5 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. North wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84. Light north wind.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. Light west wind.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 84.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 68. Light west wind.
Thursday
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 83. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 84. Light north wind.
Friday Night
Partly cloudy, with a low around 66. Light west wind.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Valley Station KY
 38.04°N 85.85°W (Elev. 643 ft)
5:02 am EDT Aug 20, 2026
5am EDT Aug 20, 2026-6pm EDT Aug 26, 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