Long story short; we are going to have a few days in a row in which rain showers and thunderstorms are going to be likely or at least around the area. So what is causing all of it?
I shall spare you the weather jargon (for the most part)...but I will still use a little. So here is what is going to be happening. A weakening area of low pressure is moving across upper Minnesota this afternoon and will this evening it will drag a warm front across the area.
This warm front will bring those muggy conditions back into the area overnight tonight and just in time for your outdoor plans tomorrow. At the same time, a very slow moving cold front will traverse its way through Minnesota and enter into the upper Midwest by Saturday afternoon, but this is where the weather situation gets a little crowded.
A new area of low pressure will develop in Iowa, and this will latch onto the cold front and effectively it will try to pull it back north as a warm front while the other low pressure tries to push it southwards as a cold front. The result: a stationary front that will quickly weaken out by Sunday. This will result in the warmer temperatures and humidity to be in our area with nowhere to go, thus enters the next cold front.
This cold front will move with a purpose later Sunday and by Monday morning it will be pushing through Wisconsin. Why does this front matter? Because it will be the thing that tries to get the rain showers and thunderstorms to move out our area. But will it succeed? Only time will fully tell, but right now, it is looking like it will not. In fact, it is looking like that front will stall out across the Stateline area by Tuesday morning. This means that rain showers and thunderstorms will remain in our area through the start of your work week.
The stationary front will get pushed northwards on Tuesday, and this will allow temperatures to rise into the mid to upper-80s for Tuesday afternoon, and combined with the humidity, we could continue to see those rain showers and thunderstorms possibly in our area through Tuesday Night and into Wednesday Morning as well. In fact, it is looking like the chances for rain showers and thunderstorms will be with us until at least Thursday Afternoon.
Finally, the way things look is that by Friday this warm front (or quasi-stationary front if you want to call it that) will finally get pushed southwards as a cold front as a fairly decent low pressure moves through Lower Michigan. This means that finally some more inhabitable temperatures (or at least, more autumn like) will arrive into the area by either Friday or Saturday, depending on the exact timing of the cold front passage.
-Timothy Albertson
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