* WHAT...For the Winter Weather Advisory, mixed precipitation. Additional snow and sleet accumulations up to one inch and ice accumulations up to one tenth of an inch. Winds gusting as high as 40 mph. For the Winter Storm Warning, heavy mixed precipitation expected. Total snow accumulations between 5 and 9 inches and ice accumulations around a light glaze. Winds gusting as high as 50 mph. * WHERE...Dane and Iowa Counties. * WHEN...For the Winter Weather Advisory, until 7 PM CDT this evening. For the Winter Storm Warning, from 7 PM this evening to 4 PM CDT Monday. * IMPACTS...Travel could be very difficult. Widespread blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow and ice on tree limbs may down power lines and could cause sporadic power outages. …