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, Bowman Field Airport (KLOU)

Lat: 38.23°NLon: 85.66°WElev: 545ft.

Fair

78°F

26°C

Humidity 74%
Wind Speed S 3 mph
Barometer 29.93 in (1013.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Aug 9:53 pm EDT
Extended Forecast for

Sycamore KY

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Increasing clouds, with a low around 68. Calm wind becoming southwest around 5 mph after midnight.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 9am.  Partly sunny, with a high near 83. South wind around 5 mph becoming light and variable.

    High: 83 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67. Northeast wind 3 to 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

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

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 68. Calm wind becoming southwest around 5 mph after midnight.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 83. South wind around 5 mph becoming light and variable.
Thursday Night
Partly cloudy, with a low around 67. Northeast wind 3 to 5 mph.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Light and variable wind.
Friday Night
Partly cloudy, with a low around 66. Light and variable wind.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Sycamore KY
 38.25°N 85.55°W (Elev. 722 ft)
10:35 pm EDT Aug 19, 2026
10pm EDT Aug 19, 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