Trust me, for the most part Ontario -> 1/2 way into Colorado is boring.... as is Calgary -> Ontario.
Get a cooling vest for Vegas/Desert county I was there last August and the vest was a life saver.
I agree with BeastieGirl ... Nevada in particular will be MORE THAN BRUTAL. Las Vegas in August can reach 115 degrees F. Ask me how I know.
Can you suggest a specific vest?
I can't stress how much good riding there is in places like Montana. Even the interstate (I-15) from Great Falls to Helena is awesome.
There's not really one desert, there is an area mostly in the south-west US that is very dry. But it's not like there aren't cities, interstates, gas stations, 7-11s all over the place. If you really wanted to you could cross Nevada and not have to carry any water at all, just stop at every gas station, convenience store or McDonalds and buy a drink.
However, if you are going to venture off the Interstate or main highways into the parks, like Death Valley, Mojave, etc., then it's recommended to bring water with you (even though there are potable water sources in the campgrounds in these parks). You don't have to ride through these parks to get to the coast.
If however, you don't want to see any sand at all, then maybe cut across the continent on the Canadian side then ride the Pacific Coast down through Washington, Oregon and into California. You can even skirt the south of the CAN/US border along Montana and the Dakotas for some nice riding roads if you want to take a break from the Canadian Prairies.
Heat stroke is a serious condition caused by failure of the body's natural thermostat resulting in an inability to cool itself down by normal means. It usually occurs as a result of exposure to very hot surroundings.
The onset can be sudden, resulting in unconsciousness in a matter of minutes. Medical assistance should be sought as soon as possible.
. In some parts of the Arizona desert the temperature can reach 140 degrees F and ...
I wondered about that - got some tips?? as we vanning across to Alaska and back and getting off the slab for a bit would be good.