Now that you mention it, I think I just posted about one in Pennsylvania that was older than 13,000 years, not too long ago... Yep - Curating the Internet: Science and technology micro-summaries for August 21, 2019. 19,000 years - and it was Meadowcroft. Link

The newly uncovered site adds to the story of human occupation in Western Pennsylvania — a story that stretches back at least 19,000 years, to the Meadowcroft Rockshelter in Washington County.

Totally slipped my mind when I was reading the article about Idaho, though.

Edited to add: Interesting that the Meadowcroft date not only predates Clovis, but it also predates the ice-free corridor, so the Idaho find doesn't seem to be novel on that front, either. Unless there's something else that I'm misunderstanding.