In the Mists (Czech: V mlhách) is a piano cycle by Czech composer Leoš Janáček, the last of his more substantial solo works for the instrument.

Czech musicologist Jiří Zahrádka compared the atmosphere of the cycle to impressionist works, in particular those of Claude Debussy.

[1] The première took place on 7 December 1913, when Marie Dvořáková played it at a concert organized by the choral society Moravan in Kroměříž.

[3] The cycle consists of four parts: A typical performance of the complete work runs 14 to 15 minutes in length.

After intensive studies of various sources, the German pianist Lars David Kellner published the first version of In the Mists on his 2013 Janáček album (The complete original works for piano), using Janáček's original manuscript.