Temperatures in the Northern Great Plains are projected to increase by 3.5 to 9.5 degrees Fahrenheit between the years 2036-2100.

All climate models agree that temperatures are projected to increase over the 21st century across the Northern Great Plains, with almost uniform temperature increases across the entire region. In winter, the greatest warming is expected in the northeastern part of this region, mainly in the Dakotas. Springtime warming is generally smaller than that of other seasons. Summer shows a large amount of warming, with the greatest increases in the southern part of the region, particularly in Nebraska and Wyoming.