The forecast word for this week is COLD!!!! After a weekend where temperatures were in the forties (40's) to near fifty(50) it will be a shock to the system. The first in a series of cold fronts moved through on Sunday and it will only get progressively colder the next five (5) days. This comes after the western ridge temporarily weakened and allowed some rain to affect the west coast. Now the ridge is strengthening and expanding northward. This will cause the trough over eastern North America to sharpen and allow the coldest air of the winter season to affect many locations. Unlike the New England States, any snowfall for Great Lake States will generally be light outside the favored snow belt locations.
Currently a ridge of high pressure is moving through the region clearing skies for the overnight hours. Temperatures only managed to rise into the lower twenties (20's) but overnight lows should not be too low as warm air advection will begin in advance of the next arctic front.
On Wednesday the next front will move through during the overnight hours. During the day temperatures will rise well into the thirties (30's) and precipitation may begin as light rain before changing over to light snow. Snowfall accumulation should be light if anything at all.
On Thursday, temperatures will fall most of the day with high temperatures occurring before sunrise. Overnight lows may be a few degrees either side of zero depending on cloud cover and winds. Friday the area will under high pressure and high temperatures will rise into the upper teens (10's)
The next storm system will be tracking through the area during the day Saturday. With cold air already in trenched, snowfall will accompany the system. Amounts at this time are uncertain but may be a few inches. The low pressure will allow a double shot of arctic air to move through the area. Temperatures will plummet overnight probably reaching below zero for Sunday morning low temperatures; wind-chills may approach negative twenty (-20)!! High temperatures on Sunday right now appear to remain in the single digits.
On Monday the brunt of the cold air will be east of the area as the next system will already be approaching the area. The area should experience southerly winds and high temperatures will rebound to near twenty (20) degrees
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