<P> Spring is a time of major transition in North Dakota . Early spring commonly sees snowstorms , but by late spring as temperatures begin to moderate the state can experience tornado outbreaks , a risk which diminishes but does not cease through the summer and into the fall as North Dakota lies at the northern edge of Tornado Alley . Springtime flooding is a relatively common event in the Red River Valley , due to the river flowing north into Canada . The spring melt and the eventual runoff typically begins earlier in the southern part of the valley than in the northern part . The most destructive flooding in eastern North Dakota occurred in 1997 , which caused extensive damage to Grand Forks . </P>
<P> Spring is a time of major transition in North Dakota . Early spring commonly sees snowstorms , but by late spring as temperatures begin to moderate the state can experience tornado outbreaks , a risk which diminishes but does not cease through the summer and into the fall as North Dakota lies at the northern edge of Tornado Alley . Springtime flooding is a relatively common event in the Red River Valley , due to the river flowing north into Canada . The spring melt and the eventual runoff typically begins earlier in the southern part of the valley than in the northern part . The most destructive flooding in eastern North Dakota occurred in 1997 , which caused extensive damage to Grand Forks . </P>
when does it warm up in north dakota
when does it warm up in north dakota
late spring
late spring