More Rain & Pea Soup

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

Thank you for stopping by the Weather Watch 12 blog! After last week’s sun-filled days, we certainly are paying the price with clouds, dense fog, and rain showers over the past couple of days. The reason why we are stuck with the dreary weather is a very slow moving area of low pressure.

The surface map below shows the circulation with the low and the counter-clockwise winds associated with it. I marked the center or the low with a big red ‘L’. A couple of things to notice on the map below…temperatures are in the 60s over a good part of Illinois. Also, colder air does reside on the backside of the storm with readings in the 30s in the Dakotas and parts of Minnesota.

With some sun poking through in Illinois and in far southern Wisconsin we will watch to see if any additional showers or thunderstorms develop this afternoon. If we are going to see a few t-storms in Milwaukee I would suspect they occur before 9pm. Otherwise, we may see more scattered showers from time to time.  If you want to track the showers and possible thunderstorms check out our interactive radar.  A great tool that allows you to zoom in to the storm…track severe weather…and look at a computer model called Futurecast!

We are still in the ‘milder’ flow so our temperatures in the upper 40s to around 50 should stick around into Friday and maybe Saturday in spots. With the milder air flowing over a colder and very moist ground the result has been very dense fog at times the past couple of days/nights. The fog on Wednesday Night was some of the thickest I’ve ever seen. When I was driving home from work last night I stopped and took a quick picture of the developing fog over melting snow in a marsh. This was around Brookfield. The picture is a little blurry…but the fog was just hovering right above the cold surface.

If you ever have a weather picture to share…and we would love to use it on WISN 12 News…please post it to our U-Local section of

The slow moving storm will elongate and stretch from just off the mid-Atlantic Coast all the way west to the Midwest by Saturday. The map below is a surface forecast from the 12Z GFS for Saturday morning. Notice the green over Milwaukee…yep, that means more rain showers.

As the storm drops to our south our winds will likely be right off Lake Michigan..that will mean cooler temperatures especially near the lake this weekend. So what is our reward for the rainy and foggy days? As of right now St. Patrick’s Day looks o.k. with highs in the 40s…maybe 50s.

If you have a rain total to share please post it to the comments section of the blog. We will do our best to share them on WISN 12 News!

Have a great day!

Jeremy Nelson


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