Rain Totals & Wednesday Afternoon Severe Threat…UPDATED

***Watch WISN 12 News all day for updates on the severe weather chances!***

****Updated the SPC Outlook. Change from moderate risk to slight risk for S.E. Wisconsin.  See map in blog post**** Thank you for stopping by the Weather Watch 12 blog.  Right on cue a cluster of strong thunderstorms slid across southern Wisconsin very early Wednesday.  The storms produced torrential rain in spots, and lots of lightning, and the thunder was loud!  There were also a few reports of small hail.

We would love to see your rain total, so please post it to the comments section of the blog, or on our Facebook page at WeatherWatch 12

Here is a list of totals thru 9 a.m. Wednesday:

  • Town of Summit(Waukesha County)  2.50″
  • Milwaukee Mitchell  1.57″
  • Racine  0.89″
  • Kenosha  0.81″
  • Fond du Lac  0.37″
  • Sheboygan  0.28″

Most of the heavy rain, with totals of 2″-3″+ was in Jefferson and Waukesha counties.  Below are NEXRAD radar rainfall estimates thru 9 a.m. Wednesday.  Again, I would like to see some of your totals from the overnight rain.  Just click on the image to enlarge.

Now that the rain has exited the area, we are watching VERY closely the timing of a cold front, the amount of sunshine we see, and also how warm temperatures are this afternoon.  All of these factors will play a large role in the possibility of one final round of thunderstorms, potentially severe for Wednesday afternoon and early evening.

Below is the severe weather outlook from the Storm Prediction Center for Wednesday.  This has our viewing area outlined as having a SLIGHT risk of severe storms.  The threats include damaging winds, large hail, and isolated tornadoes.  With the best moisture and warmer temperatures focused from Illinois to the eastern Great Lakes, I think our biggest concern should be strong winds and hail. 

Since the cold front will plow through during peak heating, this is a situation that needs to be monitored closely.  Please stayed tuned to WISN 12 all day, and also check our interactive radar often for the latest.  Just click the link below for the current radar.


I will try to update the blog again this afternoon.  As the storm occur later today, please take some pictures and video and post them to the U-Local section of WISN.com  You may see your photo and videos on 12 News!

Have a great day and stay with Weather Watch 12 for the latest.  In the meantime, make sure to read the blog entry from yesterday to see a recap of Monday evening’s 3 tornadoes.

Jeremy Nelson


One Response

  1. Looks like we’re getting a lucky break this afternoon. I’m guessing the storms this weekend, especially Saturday will just be the heating of the day pop-up variety. The models seem to be keeping any MCS’s well north this time around.

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