Snow squall warnings took effect across Iowa and Nebraska highways Sunday morning, prompting urgent travel cautions. The National Weather Service issued alerts for areas including US-30 and US-75 near Blair, Nebraska, until 11:15 a.m. CST. Additional warnings cover I-35, US-30, and US-69 near Ames and Boone, Iowa, through 11:45 a.m., plus I-80, I-235, and routes near Des Moines until noon.
