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

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Current conditions at

Louisville Muhammad Ali International Airport (KSDF)

Lat: 38.17°NLon: 85.74°WElev: 500ft.

Fair

81°F

27°C

Humidity 74%
Wind Speed S 7 mph
Barometer 30.10 in (1018.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 22 Jun 4:56 am EDT
Extended Forecast for

2 Miles NNW Louisville KY

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

    NOW until 8:00pm Tue

    Heat Advisory

  • Overnight

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Heat index values as high as 103. Southwest wind 3 to 6 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. Heat index values as high as 103. Light southwest wind.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Light southwest wind.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94.

    High: 94 °F

    Hot

Detailed Forecast

Overnight
Clear, with a low around 75. Light south wind.
Sunday
Sunny, with a high near 93. Heat index values as high as 103. Southwest wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 94. Heat index values as high as 103. Light southwest wind.
Monday Night
Mostly clear, with a low around 76. Light southwest wind.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 94.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.
Thursday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 76.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Louisville KY
 38.26°N 85.77°W (Elev. 417 ft)
Last Update:
3:12 am EDT Jun 22, 2025
Forecast Valid:
5am EDT Jun 22, 2025-6pm EDT Jun 28, 2025
 
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