Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Louisville, Bowman Field Airport (KLOU)

Lat: 38.23° N Lon: 85.66° W Elev: 545 ft.

Fair

93°F

34°C

Humidity 40%
Wind Speed SW 10 G 20 mph
Barometer 29.90 in (1011.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 20 Sep 1:53 pm EDT
Detailed forecast for

Jefferson County

Today
Mostly sunny. Highs in the mid 90s. Southwest winds 5 to 15 mph.
Tonight
Partly cloudy. A 20 percent chance of showers in the evening. Lows around 70. West winds up to 10 mph shifting to the northeast after midnight.
Monday
Partly sunny. A 30 percent chance of thunderstorms in the afternoon. Highs in the mid 80s. Northeast winds up to 10 mph.
Monday Night
Mostly cloudy. Chance of showers and slight chance of thunderstorms in the evening, then chance of showers after midnight. Lows in the lower 60s. Northeast winds 5 to 15 mph. Chance of precipitation 50 percent.
Tuesday
Partly sunny. Chance of showers in the morning, then slight chance of showers in the afternoon. Highs in the upper 70s. Northeast winds 5 to 10 mph. Chance of showers 50 percent.
Tuesday Night
Mostly cloudy with a 20 percent chance of showers. Lows in the upper 50s.
Wednesday
Partly sunny. A 20 percent chance of rain showers in the morning. Highs in the mid 70s.
Wednesday Night
Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s.
Thursday
Partly sunny. Highs in the lower 70s.
Thursday Night
Partly cloudy. Lows in the mid 50s.
Friday
Mostly sunny. Highs in the mid 70s.
Friday Night
Partly cloudy. Lows in the lower 50s.
Saturday
Mostly sunny. Highs in the mid 70s.



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407 AM EDT Sun Sep 20 2026
 
 

Additional Resources

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National Digital Forecast Database