And for sure all the ice roads will be open across most lakes and rivers.Check the average temps. for Yellowknife,will have to dig in the snow for firewood so bring a good shovel.And don't forget to factor in the March winds for wind chill.Make sure you have your tank dumping figured out as there will not be any parks with dumps and water refills.A tank of propane every 2 days for sure with gen.Take extras along for sure.Maybe a small cargo trailer to haul all the extra propane,shovels,chains etc.A lot of realistic near arctic weather and road planning should make it work.Have fun.