Winter Storm Update....10 PM Monday
The recent model data continues to keep the heaviest axis of snow to our north. The position of the storm will pull in warmer air aloft, helping to create more of a mix across all of southeastern Wisconsin. That mix will decrease the overall snowfall amounts, and limit some of the problems on the roads!
It appears that most of the precipitation will start as a burst of moderate snow between 10 am and Noon. The longer it takes for the system to arrive, the better chance for warmer air to move in aloft. As the a warmer air arrives, the snow will transition back to a mix of sleet and rain for a good majority of our area during the afternoon and early evening.
Our northern counties will also experience a mix of sleet and snow, which will cut down on overall snowfall totals. In general 1" to 4" of sleet and snow will occur across the area. The higher totals will occur across the western and northern parts of our area. The lakefront could experience lower totals due to a strong lake breeze warming the atmosphere.
Late Tuesday evening the winter precipitation will shut off after 8 pm and turn into drizzle as the dry slot takes back over. An additional batch of light snow will move across southeastern Wisconsin Wednesday morning into the afternoon with light accumulations possible.