Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Plains to the Upper Midwest

A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >

Current conditions at

Louisville Muhammad Ali International Airport (KSDF)

Lat: 38.17°NLon: 85.74°WElev: 500ft.

Fair

79°F

26°C

Humidity 74%
Wind Speed Calm
Barometer 30.17 in (1021.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 23 Jun 5:56 am EDT
Extended Forecast for

Louisville, Standiford Field KY

Heat Advisory June 23, 06:50am until June 24, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 23, 06:50am until June 24, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Today

    High: 96 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79. West wind around 5 mph becoming calm  in the evening.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 95. Light west wind.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind.
Tonight
Mostly clear, with a low around 77. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind.
Tuesday Night
Mostly clear, with a low around 79. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny and hot, with a high near 95. Light west wind.
Wednesday Night
Partly cloudy, with a low around 78.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96.
Thursday Night
Partly cloudy, with a low around 78.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
Friday Night
A chance of thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 78. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville, Standiford Field KY
 38.17°N 85.72°W (Elev. 443 ft)
6:46 am EDT Jun 23, 2025
6am EDT Jun 23, 2025-6pm EDT Jun 29, 2025
 
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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