Special Weather Statement: Special Weather Statement issued October 20 at 3:21PM EDT by NWS Louisville KY

River valley fog is expected to form through the overnight lasting through Wednesday morning. With clear skies and calm winds, valley fog could become dense in localized areas. If traveling through river valleys in the morning, increase the following distance and use low-beam headlights. Be sure to drive slower through dense fog and leave early to allow extra time to get to your destination.