Sunday, March 11, 2012

Rain on the Way

A strong upper low is located over Kansas as of 10 pm Sunday night.  It will develop a low at the surface with a cold front trailing to the south across east Texas.  There is a good inflow of Gulf moisture to the east of the system .  Rain showers are spreading to the north, and will reach the Wisconsin border by midnight.  With a brisk southerly wind persisting overnight, it will be very mild with showers, and some isolated thunderstorms.  The area will get dry slotted on Monday morning cutting off precipitation.  It will become partly cloudy with a brisk southwesterly wind.  The upper low/trough will be moving across the area on Monday afternoon.  With much colder air aloft, the atmosphere will become unstable, and showers and thunderstorms will re-develop.  There is potential for some low topped severe thunderstorms during the afternoon into the early evening.  The chances are slight, and the best chance of any severe weather will be just off to the east of the Stateline from McHenry and Kane counties east toward Lake Michigan.  A bubble of high pressure from the northern plains will take control of area weather on Monday night. Skies will become mostly clear, and  temperatures will drop into the middle 40's.  The high will be over the area on Tuesday.  It will be sunny with a high in the upper 60's.  A warm front will sweep across the area before daybreak on Wednesday.  A southwesterly wind flow will develop out of the southern and central plains.  Skies will be sunny, and temperatures will soar to the middle, and perhaps even the upper 70's.  A front will stall out across central Wisconsin on Wednesday night,  and with the southerly wind flow, there could be some scattered showers and thunderstorms.  The warm weather will last for the rest of the week with highs in the low 70's.  Disturbances could cause some showers and thunderstorms on Friday and Saturday.  Looking at the extended forecast for next weekend into the following week...  it appears as if the warm weather will continue.

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