A massive area of Canadian high pressure is crossing from northeastern Manitoba into northwestern Ontario tonight. It's effects are being felt tonight from the northern Rockies southward across northern Texas and from there eastward across Arkansas, Tennessee through the North Carolina coast, all of the northeast, all of the Ohio valley, all of the midwest, all of the northern and central plains. The high is originially out of the arctic areas of the far north, so it is cold, and has low dew points associated with it. As the high continues it's very slow eastward trek across southern Canada it will pump this chilly dry air to the south keeping the Stateline well below normal temperature-wise for the next few days. The wind will be northeasterly at 10-15 mph tonight and Sunday. Our lows tonight will be in the low 20's, and highs on Sunday with only be in the middle to upper 30's. The average high temperature for Rockford for Sunday March 27th is 51 degrees. What appeared to be a potential strong late season winter type storm now looks less impressive. The models have downplayed the development of a strong storm system affecting the midwest on Tuesday, Tuesday night and Wednesday to the point where only some light snows are expected. Stay tuned to see if there is any significant changes on that development. After the weakened version of the storm passes well to our south on Wednesday, temperatures are expected to make a nice recovery back up to seasonal levels by Friday.
By Meteorologist
Eric Nefstead
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