* WHAT...Clearing skies and lessening wind tonight will allow temperatures to fall to 32 to 37 in most locations by dawn on Saturday, leading to frost development.
* WHERE...The Frost Advisory includes Elliott, Lee, Morgan, Owsley, and Wolfe counties in Kentucky.
* WHEN...The Frost Advisory is in effect from midnight tonight to 9 AM EST Saturday.
* IMPACTS...Frost could harm sensitive outdoor vegetation, and it may be killed if left unprotected.