This emphatic negative statement can be translated positively. Alternate translation: "he will always be sure to punish the wicked" (See: [[rc://en/ta/man/jit/figs-litotes]])
The biblical writers often associated Yahweh's presence with powerful storms. Here the writer speaks of Yahweh as if he were a person walking or marching and kicking up dust as he comes to judge the people. (See: [[rc://en/ta/man/jit/figs-explicit]] and [[rc://en/ta/man/jit/figs-personification]])