The plot thickens.

This is from the National Weather Service office out of Indianapolis.

Also, patchy frost is a possibility tonight.

Special Weather Statement

Special Weather Statement
National Weather Service Indianapolis IN
340 PM EDT Fri Oct 12 2018

INZ021-028>031-035>049-051>057-060>065-067>072-130730-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-
Boone-Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-
Putnam-Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-
Johnson-Shelby-Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-
Decatur-Knox-Daviess-Martin-Lawrence-Jackson-Jennings-
Including the cities of Lafayette, Frankfort, Kokomo,
Crawfordsville, Anderson, Muncie, Indianapolis, Terre Haute,
Shelbyville, Bloomington, Columbus, Vincennes, Bedford,
and Seymour
340 PM EDT Fri Oct 12 2018

...PATCHY FROST POSSIBLE OVERNIGHT...

Some decrease in clouds late tonight along with light winds will
allow temperatures to fall into the lower to middle 30s
overnight. This will allow patchy frost to form, especially in
sheltered areas.

Sensitive plants may be damaged if left unprotected.