* WHAT…Southwest winds 20 to 30 mph with gusts to 45 to 50 mph expected. * WHERE…Portions of north central, northwest, and west central Illinois, east central, northeast, and southeast Iowa, and northeast Missouri. * WHEN…Until 7 PM CDT this evening. * IMPACTS…Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.