The Week Ahead...
It's a new week but it almost looks like a carbon copy of the last...several days with periods of rain or showers. Once again, a storm system will sit to our west with deep southerly flow transporting significant moisture up the Eastern Seaboard which will lead to periods of downpours. While the air has become very muggy and humid it still needs a trigger to get showers and thunderstorms going. Today, it was surface heating with highs in the SW suburbs climbing into the mid 70s...that's where this evening's downpours flared up. Now that temps have cooled there isn't much there to produce showers so save a stray shower the rest of the night should be rain-free. The next trigger I see is a surface front that lies just to our west, along it there is a lot of action and that will start to propagate east during the day tomorrow. As the front works in it will stall over the area tomorrow night and this will lead to heavier downpours that won't end until early Wednesday morning. In the wake of them, we should see some midday sunshine but with the front still just to our west, the trigger will still be present and PM thunderstorms will be likely. That slow moving front will finally move through Wednesday night and we will clear out Thursday morning.
The air behind the front will be very comfy and dry and we will be rewarded with several days in a row with ample sunshine and temps of 70 or better Thursday through Saturday...three gems!
At this time, there is a slim chance for a rogue offshore storm to spin some showers our way on Sunday and Monday but if they don't materialize we are looking at a warm up to around 80 degrees.
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