Thursday, August 16, 2012

Another round of Cool Weather

Moisture interacting with a strong cool front moving from west to east through the area today spawned some thunderstorms early today. The Rockford area did not get much rainfall... only about a third of an inch, but every little bit helps. With the front moving off to the east tonight skies will become clear a cooler and drier air moves in from the plains. The overnight low will be in the low 50's. A large cool Canadian high pressure system stretching from Alberta to Nebraska will dominate Stateline weather for the next few days. It will be sunny and very pleasant on Friday with an afternoon high around 74 degrees. Wind will be northwesterly at 10 to 15 mph. The real cool air will settle into the area on Friday night with the temperature falling into the upper 40's under clear skies. Northwesterly winds will become calm overnight.  The record low on Friday night in Rockford is 45 degrees.  On Saturday the high will sprawl from Manitoba to Iowa to Pennsylvania, and provide mostly sunny skies across the mid west.  Temperatures will continue to be comfortable with afternoon highs in the middle 70's with light winds.  The high pressure will remain the dominant feature on Sunday, but a weak disturbance will cause a few more clouds, and may cause a couple of light showers to pop up.  On Monday the ridge will take full charge as it sits right across the central part of the mid west.  It will be partly cloudy with a high near 77 degrees.  Finally, on Tuesday the high will shift off to the east, and our winds will become southerly warming temperatures back up into the low 80's, which is pretty close to average for this time of year.  On Wednesday the next cold front will approach from the north dropping southward across Wisconsin.  There will be a slight chance of showers and thunderstorms, and the high will be around 83 degrees.  On Thursday the front will become stationary east/west right across the northern part of Illinois.  Scattered showers and thunderstorms will be possible as the temperature heats up into the low 80's during the afternoon.




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