Yesterday minimums dropped below 32° especially in northwestern North Dakota and eastern Montana.
This morning the cooler readings were mostly in eastern North Dakota into western Minnesota.
Many locations recorded either the first frost of the season (36°) or the first Freeze of the season (32°). Some locations even recorded the first hard freeze (28°) during this cool snap. 28° reading effectively end the growing season as that tends to kill off most vegetation.
Daryl Ritchison