The number of days per year with more than 1 inch of precipitation will increase across the Great Plains by the middle of the century.

Most of the region is projected to experience 0 to 30% more days each year with more than an inch of precipitation by the middle of the century. The largest increases (up to 45% increases) in extreme precipitation are expected in North Dakota and Montana. Days with more than 2 inches, 3 inches, and 4 inches of precipitation are also expected to occur more regularly by the middle of the century.