What is the temperature range in winter/summer in the great plains of North America..TNX!?

Answer 1

remember the great plains stretch north to canada so you need a canadian site to get the colder temps -40 degrees C or more

Answer 2

I would go to this site http://www.worldclimate.com/ and type in the name of a city in the plains states such as Omaha. You can do this for several cities and look at the seasonal range in temperature for all of them. Good luck. This should be pretty easy for you.