Forecast Details for Louisville, KY

Recent Locations: Louisville, KY  
Overnight: Mostly clear, with a low around 41. Southwest wind 3 to 5 mph.
Friday: Sunny, with a high near 71. West wind 6 to 10 mph, with gusts as high as 21 mph.
Friday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 53. South wind 8 to 13 mph.
Saturday: A 20 percent chance of showers before 2pm. Partly sunny, with a high near 74. Southwest wind 15 to 17 mph, with gusts as high as 25 mph.
Saturday Night: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 56. Southwest wind 6 to 13 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Monday Night: Showers and possibly a thunderstorm. Low around 57. Chance of precipitation is 90%.
Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 70. Breezy.
Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 40.
Wednesday: A 30 percent chance of showers. Mostly sunny, with a high near 54.
Wednesday Night: A 10 percent chance of showers. Partly cloudy, with a low around 36.
Thursday: Sunny, with a high near 59.

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Current U.S. National Radar--Current

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Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

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North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Cirrus Clouds Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

Contrails Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds