Various advisories and watches are hoisted for a lot of southeast Wisconsin including Milwaukee and Waukesha counties Monday through Wednesday.
It is now more evident a long duration and significant snowfall accumulation event normally takes shape within the next Three days in elements of southeast Wisconsin.
A winter months advisory is within effect from Monday morning through mid-afternoon Tuesday for southeastern Wisconsin.
The very first round of snow will get to earnest Monday afternoon or evening and last into Tuesday. This first intial round is showing the opportunity of 3-7" of accumulation with all the greatest totals across the lakeshore. An east/northeast wind flow will create lake effect snow showers in addition to lake enhanced snowfall since the first system moves through.
That point on Tuesday, lake effect snow showers are possible using the possibility to drop some more inches of snow to areas relying on the snow bands.
It ought to be noted lake effect snow is extemely challenging to forecast given the narrow and banded nature, impacting only localized areas.
Later Tuesday afternoon, a blizzard watch goes into effect for those counties locally except Dodge and Fond du Lac, those two counties will probably be within a winter storm watch. The blizzard watch continues into Wednesday afternoon.
Tuesday night into Wednesday is the place extreme southeast Wisconsin might find the snow showers develop again like a large winter storm advances to the Ohio River valley. Southeast Wisconsin is going to be about the extreme northern fringe from the heavy snow, and areas especially south of Milwaukee and across the lakeshore might find the maximum additional snow Tuesday night through Wednesday morning.
Snow totals using the second round have the possibility to become significant by having an additional 6"+ in spots, meaning some locations especially south of Milwaukee often see snowfall potential of the foot or even more on the next Three days.
Travel will quickly get hazardous Monday night straight through Wednesday.
We have been inside the preliminary stages of the forecast and you will be fine tuning the timing and expected snowfall inside the broadcasts ahead.
