Several pockets of heavy rain were realized Sunday afternoon with the isolated storms that developed late morning through early afternoon. Most did not see more than a few tenths of an inch of rain, but a couple locations across Ogle, Lee, and Jo Daviess County saw more than an inch of rainfall!
Similarly heavy rain may be possible in another isolated to scattered fashion Monday afternoon. This time around, rainfall should be a bit more widespread for more of the area compared to the little coverage from Sunday. Strongest storms will still be capable of producing strong downpours and some gusty winds, but the severe weather threat is limited.
The reason behind the limited severe weather risk has been a lack of better organization in the storms. So far, many of the storms have shown pulse-like, popcorn behavior. That is good for producing very heavy rainfall, but severe storms need more of a driving force in the upper levels to sustain them.
Such a pattern may develop toward the middle of the week as an upper-level trough slides overhead. This interaction between the extremely humid air mass ahead of it and the increased dynamics will allow for a few more chances for organized and possibly severe storms to develop later this week.
Much of our daytime hours Tuesday and Wednesday may end up dry, but isolated to scattered storms may pose a risk for severe weather late Tuesday evening, then again on Wednesday and Thursday. Each wave timing will depend heavily on the one before, but the ingredients are there for a mentionable risk for severe weather both Wednesday and Thursday in particular. For now, keep tuned to the forecast as we will be sure to bring you the latest!
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