People living in the impacted areas were told not to travel until conditions improve, as driving in a snow squall could be deadly.

Meteorologist Stevie Daniels explains the difference between a blizzard and a snowstorm in this Science with Stevie segment.

The NWS Spokane WA issued a snow squall warning at 7:56 a.m. on Thursday in effect until 9 a.m. for Pend Oreille and Stevens counties.

Dangerous winter weather conditions suddenly arose across the impacted area on Thursday, prompting travel warnings.

Cities in central Iowa are preparing for a return of snow after some record warmth. The Local 5 Weather team predicts that central Iowa cities between Atlantic and Marshalltown will receive 4-8", with the band of snowfall only 75 miles wide.