NWS currently has a hatched area of probability for NE Kansas, SE Nebraska, SW Iowa, and NW Missouri. Instability looks like it will be slightly higher than what I originally thought; couple that with the continued forecast of strong wind shear, and decent low level moisture, we could be looking at a greater possible chance of tornadic supercells. Storms will progress through the evening, but will become more linear with time.
There is a possible chance of severe weather here in Northern IL, but I believe it will be associated more with an advancing cold front, rather than an established dryline. Even though wind shear should still remain strong; I'd tend to say that the storms will be more linear, with wind and hail as the main threat. There could be an isolated tornado if the storms become suface based with isolated cells.
We will see the outcome as we progress towards Friday.
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