* WHAT...West winds 20 to 30 mph with gusts of 35 to 45 mph. * WHERE...Eastern Columbia River Gorge of Oregon and Washington, Lower Columbia Basin of Oregon, Foothills of the Southern Blue Mountains of Oregon, North Central Oregon, and Simcoe Highlands. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Patchy blowing dust may locally reduce visibility.