...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6:00 A.M. MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches in the mountain valleys and 4 to 8 inches over the mountains. Blowing and drifting snow expected with winds gusting as high as 40 mph. * WHERE...Harney County and Baker County zones. * WHEN...Until 6:00 A.M. MDT Wednesday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1.