Saturday Rain Chances & ‘The Heat Is On’

***Watch WISN 12 News for the latest on the holiday weekend forecast!***

Thank you for stopping by the Weather Watch 12 blog.  Just a quick update today.  Rain chances are still in the forecast for both Saturday and Sunday, but it won’t be all day rains, and some areas may miss the rain one of the days.

Most of the models have backed off a bit with the rain for Saturday…keep it south, and north of southeast Wisconsin.  I still think some showers are possible, but there will be many more dry hours than hours with rain.

The latest RPM forecast isn’t too excited about rain for Saturday.  Here is how much rain the model is expecting.  Again this is just for Saturday.  Click to enlarge the image.

Rainfall Forecast Saturday May 28

With a warm front just south of the area on Sunday, a chance of showers and t-storms will stay in the forecast.  To track rain any time of day or night just click on the interactive radar, you can zoom or move the radar to your desired location.  Give it a try!

Interactive Radar

By Monday, a warm front will lift north of Milwaukee and Waukesha in the morning.  By afternoon it will be breezy, warm/hot, and more humid.  Highs should top out somewhere around 90 in most spots.  Again areas along the lake in Ozaukee and Sheboygan counties will be cooler.

The ‘unofficial’ start of summer will sure feel like it come Monday!

Make sure to check back on Saturday for an in-depth look at the warm-up for Monday and how it relates to the overall weather pattern!

Have a happy and safe weekend!

Jeremy Nelson


4 Responses

  1. Chicago NWS is certainly on board with the extent of the warm-up you are predicting.

  2. There are some serious issues between the morning and evening shifts at the NWS. they’re about 10 degrees Off from eachother

    • I have noticed that too and it has been happening often for many months now. It could be different opinions between forecasters or it could be that the 0z models have a stronger cool bias than the 12z models.

      They also exaggerate the lake breeze too far inland. Two good examples of this recently…

      last Sunday’s predicted high – 78
      actual high – 85

      yesterday’s predicted high – 56
      actual high – 63

      These predictions were made on the morning of the actual dates for New Berlin. Except for on relatively cloudy days, the lake breeze doesn’t get here until later in the afternoon, but the forecasts never reflect that and they keep busting as a result.

      I would expect anybody over 5 miles inland to get close to max temp potential on Monday which is about 90 degrees right now if the sun stays out.

      • Daniel,

        I think most areas, with the exception of near Wind Point, and areas near the lake in Ozaukee and Sheboygan counties to make a run to around 90 on Monday. Mitchell Airport is a mile or so off the water, so I think upper 80s to 90 there too. The set-up and timing of the warm front is so similar to April 10 it is crazy. At least this time the severe threat is farther north and west than back on April 10. Although then it was mainly areas northwest of SE WI that saw the severe storms.


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