Rainy Christmas Eve

***Watch WISN 12 News at 5, 6, & 10pm for the latest on the rain, sleet, and snow!***

**************************5:30pm update********************************

Sleet is mixing with rain in Washington, Ozaukee, Sheboygan, and Fond du Lac counties.  There are slippery stretches on some of the roads.  As a result the NWS has issued a Winter Weather Advisory until midnight for those locations as sleet continues this evening before warmer air arrives after midnight and changes everything to rain.

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Thank you for stopping by the Weather Watch 12 blog!  I want to start by wishing everyone a Merry Christmas and safe holiday travels.  Where ever you may travel this holiday season, make sure to check back to the blog often for continuous weather updates.  Don’t forget to post your thoughts, questions, and storm reports in the comments section of the blog!

Part one of our Winter Storm swung through the region on Wednesday evening/night bringing with it snow totaling 2-5″, freezing rain with ice accumulations of 0.10″ to 0.25″, and also sleet.  

After a break from the precipitation for much of Thursday, here comes round 2!  This time temperatures are warm enough at the surface and aloft to keep this primarily all rain in Milwaukee and surrounding areas.  Below is a surface map from around 1:30pm on Thursday.  This shows the air temperature in Milwaukee at 36 degrees with a wind out of the souheast.  The ‘..’ symbols represent rain next to any of the station plots.  Notice that rain extends all the way into southeast Minnesota and parts of western Wisconsin.  This is a good sign for us in Southeast Wisconsin, I think we should stay pretty much all rain until sometime on Friday.  The symbols of ‘**’ represent light snow where the cold air is in place.  Please remember to click on the map to enlarge.   

With the warmer air in place and a strengthening storm to our south moisture is beginning to flow north.  Milwaukee should see a steady rain from late afternoon right into early Friday.  Below is a radar image showing the expanssive area of rain about to move into Southeast Wisconsin from Illinois.

 

Rain totals from this round could exceed 1″ in many places.  Please keep in mind that many culvert and drainage systems are blocked by snow or ice.  Any heavy rain could quickly result in flooded roadways or even create some ice jams of streams, creeks, or rivers and cause rapily rising water.  This is something we will keep a very close eye on right into Friday.  If we can avoid any flooding the rain should come as welcome news because the roads as of Thursday afternoon were in great shape for traveling!

By Friday the rain will turn to a mix and then snow sometime during the morning or afternoon.  Any snow accumulation in Milwaukee at this point looks to be around 1″.  Make sure to watch 12 News for the most updated snow potential graphic for Friday.  I could see our northern Counties pick up 1-2″ or maybe 3″ if enough moisture lingers when the cold air is in place.  Once the cold air arrives we will likely see highs in the 20s through the weekend with on and off snow showers.

Have a great holiday and thank for sharing part of it with us here at Weather Watch 12!

Jeremy Nelson

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6 Responses

  1. Hi Jeremy, Looks like KC is gonna get slammed! We have a Blizzard Warning for maybe the first time in KC History!!!

    • Enjoy your blizzard! This is what you have always wanted to experience Andrew!

      Jeremy

  2. a monster..wow.

    • Glad you are getting this…pretty quiet in southeast Wisconsin tonight outside of mainly rain.

      Jeremy

  3. I’m sad. The snow and ice really messed everything up. Enjoy your non-snow, Wisconsin. 😦

    • Sometimes we have to watch out what we wish for. I know some people love a good snowstorm, but when it occurs over the holidays like the one in the Midwest and Plains right now it does mess up a lot of travel plans. Thanks for stopping by, have a Merry Christmas!

      Jeremy

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