• Thunderstorm 79°
    Hair Frizz Current Weather
    • Relative Humidity
      76%
    • Wind
      Speed
      8 mph
    • Dew
      Point
      71°
  • Today

    Sep 2

    Hi 81°

    Heavy morning thunderstorms

    Warning for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      75%
    • Hours of Precip
      5
    Day Details >
  • Tomorrow

    Sep 3

    Hi 88°

    Fog in the a.m.; mostly sunny

    Warning for hair frizz
    • Wind
      Gust
      4 mph
    • Precip
      25%
    • Hours of Precip
      0
    Day Details >
  • Thursday

    Sep 4

    Hi 90°

    An afternoon thunderstorm

    Advisory for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      55%
    • Hours of Precip
      0.5
    Day Details >
Next

Thunderstorms, some heavy, today

9/2 9/3 Now: 2:52pm
PM 2-6
  • 2pm Cloudy 80° 45%
  • 3pm Cloudy 81° 49%
  • 4pm Mostly cloudy w/ t-storms 80° 53%
  • 5pm Intermittent clouds 81° 49%
  • 6pm Intermittent clouds 81° 48%
AM 1-6
  • 1am Mostly clear 69° 2%
  • 2am Mostly clear 68° 0%
  • 3am Mostly clear 67° 0%
  • 4am Mostly clear 67° 0%
  • 5am Fog 66° 0%
  • 6am Fog 67° 0%
AM 7-12
  • 7am Fog 67° 0%
  • 8am Fog 69° 7%
  • 9am Fog 73° 7%
  • 10am Fog 77° 7%
  • 11am Mostly sunny 81° 7%
  • 12pm Mostly sunny 83° 7%
Hourly Forecast >
Sep 01, 2014; 4:01 PM ET
Thunderstorms in the area late tonight through tomorrow evening
Louisville, KY Weather Forecast

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The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Tue. Hair Frizz

Tue. Wind Maps

Tue. UV Index