* WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mphexpected.* WHERE...Portions of northwest Iowa, southwest Minnesota, and eastcentral South Dakota.* WHEN...From 2 PM this afternoon to 10 PM CDT this evening.* IMPACTS...Gusty winds could blow around unsecured objects. Treelimbs could be blown down and a few power outages may result.