A Wind Advisory is in effect from 9 a.m. to 6 p.m. Sunday for Monona, Harrison, Shelby, Pottawattamie, and Mills counties.
The National Weather Service says south winds will be 25 to 35 mph with gusts to 50 mph expected.
Gusty winds could blow around unsecured objects. Use extra caution when driving, especially if operating a high profile vehicle.