Mountain snow will disrupt travel along some Southwestern thoroughfares betweenSaturday night and Monday evening.Highest snowfall to about one foot will blanket the crest of the Sierra Nevada,the Arizona rim country and some of the mountains of southern Utah to westernColorado.

Lower amounts will accumulate in the aforesaid states along with parts ofNevada, Wyoming and New Mexico.

Major highways most affected by this snowfall will include I-15, I-40, I-70 andI-80.

Story by AccuWeather.com Senior Meteorologist Jim Andrews.