* WHAT...Snow expected Above 4000 feet. Total snow accumulations of 3 to 7 inches. Winds gusting as high as 35 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 5 PM this afternoon to 5 PM PDT Wednesday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. Roads, and especially bridges and overpasses, will likely become slick and hazardous. Slow down and use caution while traveling. The latest road conditions can be obtained by visiting the website wsdot.wa.gov/travel.