We've had some pretty dry days the past couple weeks but a change in the jet stream pattern will lift more gulf moisture northward just in time for the weekend.
High pressure will dominate the weather today and almost all of Thursday. A developing trough of low pressure in the west will allow a series of low pressure systems to move from southwest to northeast through the weekend and into early next week. The first shot of rain looks to arrive later in the day Friday along a warm front. That front lifts into Wisconsin Friday night with a cold front pulling through during the overnight. The threat for thunderstorms will last into Saturday morning before the front stalls to the south. Another low will develop lifting the front back north as a warm front late Saturday afternoon with storms likely Saturday evening into Saturday night. At the same time another low will develop on the front range of the Rockies lifting northeast pulling yet another warm front through Illinois. With each system that passes gulf moisture will continue to be pulled northward with potentially over an inch or two of rainfall accumulating from Friday through early next week. A lot of the fine details still need to be ironed out and will as we get closer to the weekend, but it looks like we may be in for a soggy and likely stormy first part of next.
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