May the Lord give you dust instead of rain upon your land, and may ashes descend from heaven over you, until you have been wiped away
Other versions
King James Version
The LORD shall make the rain of thy land powder and dust: from heaven shall it come down upon thee, until thou be destroyed.English Standard Version
The LORD will make the rain of your land powder. From heaven dust shall come down on you until you are destroyed.New International Version
The LORD will turn the rain of your country into dust and powder; it will come down from the skies until you are destroyed.