Weather Alerts Sign up for our NewslettersCentral Iowa temperatures will drop to -10 by 6 a.m. Tuesday, with wind chills approaching -30. Dozens of schools have already announced delays Tuesday.A cold weather advisory for much of the southern half of the state,

It’s Iowa’s coldest morning of the winter so far, with sub-zero temperatures and very bitter wind chills. National Weather Service meteorologist Rod Donavon says an Extreme Cold Warning is posted for almost the entire state.

An extreme cold warning remains for parts of eastern Nebraska and western Iowa, including the Omaha metro, until noon Tuesday.

Dozens of schools across Eastern Iowa will be closed or delayed Tuesday amidst this week's dangerous wind chills.Cedar Rapids, Linn-Mar, and Iowa City Community

(Des Moines) This morning, most of Iowa is under an Extreme Cold Warning. This includes Cass, Pottawattamie, Adair, Adams, Union, and all counties to the north and east.

(Area) Harrison, Shelby, Pottawattamie, Audubon, and Guthrie Counties are in an Extreme Cold Warning until Noon on Tuesday. The National Weather Service says the dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as ten minutes. Dress in layers if you must go outside.