A Frost Advisory has been issued from 4am until 8am tomorrow morning for the western portion of the state. This includes Monona, Harrison, Shelby, Pottawattamie, Mills, Montgomery, Fremont and Page counties. Clearing skies tonight and light wind will lead to some scattered frost across the western and southwestern portions of the state late tonight through early tomorrow morning. Temperatures will quickly rebound into the 60s by tomorrow afternoon.

Update: The Counties of Sac, Crawford, Carroll, Audubon, Guthrie, Cass, Adair, Adams, Union, Taylor and Ringgold have been added to the Frost Advisory. It will be in effect for these counties from 4-8am tomorrow morning.