11At that time it will be said to this people and to Jerusalem, “A hot wind from the bare heights in the desert toward the daughter of my people, not to winnow or cleanse,
The reference to At that time continues from in that day in Jeremiah 4:9. Jeremiah is describing the same future event in this section (Jeremiah 4:11–18) that he described in Jeremiah 4:5–8; the invasion of the enemy from the north.
11 At that time it will be said to this people and to Jerusalem, “A hot wind from the bare heights in the desert toward the daughter of my people, not to winnow or cleanse,