The southeast Wisconsin, Waukesha and Milwaukee forecast for the rest of your Saturday night will be quiet with partly to mostly cloudy skies. Over the night, temperatures will not be that cold with lows in the mid-20's.
Sunday, we will start off with a little light morning freezing rain. This will not be a major icing event, but may cause a few untreated surfaces to become slick. Throw down some salt, and you should be able to quickly get rid of any ice that would accumulate. When I talk about accumulating ice, I'm only talking about up to a tenth of an inch. That's not much ice. Still, because of the potentially slippery conditions, the National Weather Service in Sullivan will put a ***Freezing Rain Advisory*** into effect Sunday morning at 6AM until Noon Sunday for the whole area. Temperatures will warm as the day wears on, then the steadier rain will fall in the afternoon. With the milder temperatures, we'll see some fog out there as well over that cold snowpack. Highs Sunday will top out around 40.
Sunday night will have the steadier rain moving out, and just some patchy drizzle, or a shower or two. With the mild temperatures, again fog could be an issue. We may mix a little snow in by morning with little to no accumulation by daybreak. Overnight lows will bottom out in the low-30's which is quite mild for this time of year.
Monday, this whole system will be pulling away with some snow showers and wind in its wake. We'll see scattered snow showers and flurries through the day. We might see a trace to up to 1 inch by the end of the day, Monday. At least it won't be that cold besides the wind with highs in the mid-30's.
Tuesday, things will be quiet with partly cloudy skies. Highs will top out around 30.
We could see a little more light snow going from Thursday night into Friday, but we won't have any shots of polar air for most of the upcoming week.