Hi Derek,
In 3 weeks from now in northern Ontario the temperature should be around -10 to -15 ,on average , but can change very quickly. Dress for cold weather(layer) and drink plenty of water(cold dehydration).Good Luck on the Wolf hunt.
Mountainoak.....
I am new to using a computer so please bear will me. I have done a fair amount of reading on this site and I find it a very Positive and Informative place to get good information.