Saturday, April 28, 2012

Still Cool on Sunday...

A very cold high pressure ridge extends from Hudson Bay southward across Michigan. Skies will clear over Michigan tonight, and freezing temperatures are anticipated across all of Michigan tonight. Moisture over running a stationary front situated along the Ohio river, and southwest into Oklahoma will keep skies mostly cloudy across the Stateline tonight, and prevent the temperatures from falling any lower than the middle 30's with an east to northeast wind at 10 to 15 mph. The clouds may thin out for a time later tonight through the morning hours on Sunday. So, there is the possibility we may see some sunshine between the clouds on Sunday morning.  Regardless, the skies will cloud over again by mid day, or the early afternoon, and there is a slight chance of some showers later in the afternoon.  High temperatures will be in the upper 50's.  A disturbance moving northeast out of the southern plains will lift a warm front into southern Illinois by Sunday evening.  Gulf of Mexico moisture will over-run the front, and showers will be likely, and there is also a chance of a thunderstorm after midnight.  It will not be as cold with a low in the upper 40's with an east to southeast wind at 10-15 mph.  Showers will linger into the morning hours on Monday as the system moves into the area, and loses strength.  It will be mostly cloudy for the rest of the day, but temperatures will be milder reaching the middle 60's.  A stronger warm front will push northward across the area by noon on Tuesday.  There could be some scattered showers and thunderstorms associated with the front. After frontal passage air from the Gulf of Mexico will surge northward across the area pushing temperatures into  the middle 70's. A warm and humid southwesterly breeze will be in place across the area on Wednesday pushing the afternoon temperatures in to the upper 70's. Strong thunderstorms with heavy rains are possible in the afternoon and evening with a cold front approaching from the west. The cold front will settle into central Illinois, and become stationary from Thursday into Friday. Chances of showers and thunderstorms will diminish by Friday, and temperatures will cool into the low 70's for afternoon highs. Saturday will be mostly sunny with a high in the upper 60's.

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