Rainy Weekend…Colder Days Ahead

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

The weekend storm is here!  It has been a dreary, foggy, and drizzly Saturday across Southeast Wisconsin.  The steadier rains will arrive tonight and continue into the first half of Sunday.  This still looks like a wet storm, with top end rain totals around 0.75″ somewhere in our viewing area.  Let’s discuss the next 24 hours in-depth.

Heading into Saturday evening/night a large area of rain over Iowa and Illinois will push into Wisconsin.  This area looks pretty impressive on radar as of 2:34 p.m. Saturday.  The yellow and orange colors represent moderate to at times heavy rain.  This is still hours away.  On the map below I labeled Milwaukee for some prespective. 

Saturday Night into the first half of Sunday will provide the area with the bulk of our rain total.  Those totals around Milwaukee should be in the 0.50″ to 0.75″ range.  There may be a few isolated areas that see slightly higher totals.  Our high resolution computer model is shown below.  You can always click on the maps for a larger view.

By Sunday afternoon and evening colder air will gradually work into the region.  This should allow for a slow changeover to flurries or snow showers.  At this point any snow accumulation should be minor.  With snow showers on Monday, there is a chance of a dusting or maybe half inch of snow, but probably nothing more than this.

Starting on Tuesday, highs will fall back into the 20s as a chunk of arctic air pass our area a visit.  The map below is a temperature forecast map from the 12Z NAM for this coming Tuesday morning.  Notice the really cold air is waiting in the wings over the northern Plains.  Some of this colder air arrives in Southeast Wisconsin for Wednesday and Thursday.

If you happened to put out your rain guage for this weekend’s storm, please drop your rain totals off in the comments section of the blog.  Also, if you have a weather question you can always post it there too!  For more weather updates make sure to join our Facebook page at WeatherWatch 12   Tune into WISN 12 News all weekend long for updated forecasts and also live radar!

Have a great weekend!

Jeremy Nelson


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