Showers will remain a possibility in a scattered fashion into mid to late morning. If they do end up lingering this long into the morning, this would limit the potential for storms locally later on by pushing the greater instability to our south and east.
There is kind of a hint that this scenario will play out as the Storm Prediction Center did place areas from southeast Illinois to central Kentucky under a level 2 Slight Risk for severe weather.
Locally, we're under a level 1 Marginal Risk, mainly for damaging winds. Any chance that develops will linger into the first few hours of the night tonight, with some clearing taking place.
This clearing looks to be enough for Tuesday to begin with some patchy dense fog. Use extra caution if you have to be on the roads Tuesday morning. The rest of Tuesday will remain fairly dry as the focus for storm development will be to our northwest. Evolution from there remains highly unclear at this moment in time as we'll have to see what happens or where this activity tracks once it does form and mature.
It will also depend on where a boundary sets up. Either the boundary slides through in time so that we miss out on the brunt of the rain and storms. Or, the boundary plants itself over northern Illinois, allowing a strong line or M.C.S to slide through, elevating the risk for flash flooding and strong storms.
Be sure to check the forecast frequently over the next 24 hours as finer details come about. Also, practice your severe weather safety plan just in case. As far as temperatures are concerned, highs will reach the low 80s today, then upper 80s, close to the 90° mark Tuesday and Wednesday. Humidity levels will likely climb as well, allowing heat indices to approach the century mark at times. This is especially for those afternoons that feature limited or nonexistent storm chances.
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