* WHAT...For the Dense Fog Advisory, visibility of one quarter mile or less in dense fog. For the Heat Advisory, heat index values up to 105 expected.
* WHERE...In Kentucky, Bracken, Mason, and Robertson Counties. In Ohio, Adams, Highland, and Brown Counties.
* WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Heat Advisory, from noon today to 8 PM EDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Low visibility could make driving conditions hazardous.