Many areas will see an end to the growing season from the Upper Midwest into the high country of the West. Frost and freeze alerts extend from North Dakota through Nebraska to Idaho into Wednesday morning.
Low temperatures will fall into the 30s and down to near freezing, especially in the Front Range. Readings may fall to the upper 20s to near 30 from the Nebraska Panhandle to Casper Mountain in Wyoming.
For WeatherNation: Meteorologist Mace Michaels