We are starting off the work week with wintry weather. Everything from rain to sleet to freezing rain to even snow has been reported this morning as precipitation is running well ahead of the main low pressure area that is still located back in the Central Plains. Since we are so far ahead of the low, we are still seeing cold air remain in place. As a result, the precipitation this morning has been frozen for many locations. However, temperatures will moderate through the morning as the low moves closer and pulls in warmer air. We will top out in the lower 40's today with scattered rain showers possible at just about any moment. More concentrated rainfall appears likely as we head into this evening and tonight. By the time all is said and done, locations could pick up a quarter to a half inch of rainfall.
The rain will come to an end by early Tuesday morning as the low lifts up into Minnesota and Wisconsin. We will dry out from Tuesday morning into Tuesday evening, but we will see some wraparound moisture on the back side of that low move in Tuesday night into Wednesday. Winds will have shifted to northwesterly by that time, which means colder air will be filtering into the Stateline. Therefore, any precipitation that we can squeeze out will fall as a light mix or light snow showers Tuesday night and Wednesday.
While snow flurries and snow showers could fall during this period, accumulations do not appear likely. Some of the forecast models we use here in the Weather Center suggest up to an inch of snowfall on the ground by Thursday morning. I think that may be overdoing it a bit. Thus, I have left accumulating snow out of my forecast. I think a dusting on grassy surfaces could occur overnight Wednesday into Thursday, but anything more than that does not appear likely at this time.
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