Midwest Mix-Up

TIMINGTonight into tomorrow is going to be an interesting time across the Stateline. Within an 18 hour time frame we could be dealing with the following: snow, rain, freezing rain, thunderstorms, strong wind, dense fog and flooding. Here is a look at the most likely scenario heading into tonight. It is important to note that temperatures will be within a degree or two on either side of 32°, so any slight shift in this system could drastically impact the time frame and amounts of each precip type.

Late tonight a strong area of low pressure will begin to track into our area with temperatures a few degrees shy of 32°. The initial precip will likely be mixed with snow, freezing rain and rain. The best chance for snow and freezing rain will be in far Northern Illinois near the Wisconsin border, and Southern Wisconsin. A few inches of snowfall accumulation early tomorrow morning is in the cards, but any new accumulation will quickly melt heading into the afternoon.

Mid-morning brings us a transition to mainly rain, some of which could be heavy at times, with a few embedded thunderstorms not out of the question. During the time frame of late morning into early afternoon we could see a brief lull in activity with a resurgence of rain for the rest of the afternoon, again with thunderstorm potential. Throughout this process, temperatures will climb well above freezing into the low 40s. Dense fog and localized flooding in low areas due to snow melt is likely.

The evening hours will kick up the wind as the back side of the system slides in and brings with it a shot of colder air and the potential for a few additional inches of snowfall.

Again, I stress that the smallest shift in storm track could greatly increase or decrease snowfall potential and accumulation especially heading into tomorrow morning. Stay tuned for more updates! – Greg

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Posted under flooding, fog, rain, snow, Wind, winter storm, winter weather

This post was written by qni_it on February 19, 2014

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