Weekend Storm & First Snowflakes?

***Watch WISN 12 News at 5, 6, & 10pm for the latest weekend forecast!***

Thank you for stopping by the Weather Watch 12 Blog!  Just a reminder to look for the winter forecast coming the week of Thanksgiving here in the blog and on WISN 12 News!

Speaking of winter weather, the first healthy dose of snow may pay parts of the upper Midwest a visit this weekend!  Winter Storm Warnings are in place for parts of Wisconsin, Minnesota, and Iowa. 

For southeast Wisconsin, this will be almost entirely a rain event as the low will pass to the west of our area.  That means any precipitation on Saturday will fall in the form of rain showers.  It won’t be an all day rain, but on and off showers are possible later in the morning thru the afternoon.

While southern Wisconsin will stay rain on Saturday, colder air on the backside of the storm will produce heavy wet snow in parts of Minnesota.  The rain/snow line will gradually inch east from Saturday night into Sunday morning.  By late morning or early afternoon the air may be just cold enough to turn over any precipitation of a few snowflakes. 

Below is the precipitation type forecast map from the 12Z GFS.  This shows around midday Sunday the rain/snow line advancing east across southern Wisconsin. 

There certainly is no guarantee we’ll see our first snowflakes this season over the weekend, but at least there is a chance on Sunday.  It will be much more than just snowflakes in parts of the upper Midwest.  Below is a snowfall accumulation map from our in-house computer model.  Where Winter Storm Warnings are in place over Minnesota, 6″+ of snow could fall!

We are heading into a more active part of the weather pattern!  Could the next 2-3 weeks bring southeast Wisconsin its first measurable snow of the season? 

For the latest on the rain, mix, and snow that is possible this weekend.  Watch WISN 12 News and look for updates here in the blog all weekend.

Have a great weekend!

Jeremy Nelson


6 Responses

  1. That winter storm warning isa bit too close for comfort. We all know it won’t be long before we, too, experience our first major snowfall. Glad this one is all rain yet.

    So, according to long range forecast if the pattern holds, we could see our first measurable snow around the last week of Nov. or first days of Dec. Will be interesting to see if it happens.

    • Cliff,

      My hometown is in the warning area in MN:) I told my parents to keep the snow, I’ll take a few more mild days. Looking at the week ahead, I think it may be difficult to avoid a few snowflakes in our area. The time is near…


  2. So Jeremy, for those of us with vehicles we need to put away for the winter (at the first snowfall where salt is applied), or for those who need to have winter wheels/tires mounted, is this upcoming week the time to do so?

    • I would probably recommend getting it done soon. Keep in mind the average date for the first 1″ snow in Milwaukee is later this month…which isn’t too far away. We’ll have to keep an eye on the storm that may slide by this Wednesday.


  3. You all can keep the snowflakes. =P

    • Nicole,

      Great to have you stop by! After your Christmas blizzard last year you guys need a break this year!


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