Thomason Reuters just released the 2015 Journal Citation Reports in August, which provided journals' Year 2014 impact factors.
I briefly checked several journals where we normally publish our papers on, and found several big changes: Int J Parasitol 3.4 –> 3.87, PLoS ONE 3.5 –> 3.2, PLoS Pathogens 8.0 –> 7.56, PLoS Biology 11.7 –> 9.3.
On the JCR homepage, information about individual journal can be obtained. The table list is the top 20 high IF journals:
Here I will summarize the last-5-year impact factors for high-ranking journals related to biology, development and parasitology.