With El Nino this year, what is the forecast for next summer? I went in 2012 in late May, June and early July and it was not bad. In 2014 I went in late June and july, it was very rainy.
If you plan to go on the Dalton, make sure you pressure spray the underside of you vehicle at the first occasion, ie in Fairbanks. The stuff they have on the road goes like ciment after a very short time. I still find some of that stuff stuck to the frame after 2 years.
I went with a thuck camper on a Ford 4x4 both years, for me it was the best option to go on the Dempster, Dalton, Dawson to Chicken, Denali highway and going up the Salmon Glacier in Hyder. My bigfoot 10.6 truck camper was a litle crampy especially after weeks of rain but it is a great camper to take any rough road.
Not sure if I would take the TC again, now used to a 34 feet Class A and its great views and comfort. I sure would not do any of the Artic roads with a class A, the Denali or the Salmon Glacier.