(Des Moines) A Wind Chill Advisory is in effect for southwest Iowa beginning tonight through Thursday morning.
The National Weather Service says the coldest wind chill readings are anticipated overnight into Thursday morning. Northwest winds of 15 to 25 mph are expected during this evening into the overnight hours before winds weaken to around 5 to 15 mph and shift west by Thursday.
Low temperatures tonight will range from 10 below to near 15 below. Wind chill values of 20 to 30 below zero with a few spots in the northeast dropping to even colder than 30 below zero at times early Thursday morning.