Thursday Chill

Mother Nature has been temperamental lately.  After achieving a record high temperature of 99° on Sunday May 27–which was also the second warmest temperature ever recorded in May in Rockford–the forecast for the end of our work week calls for afternoon high temperatures 15 to 20 degrees below normal!  Between Sunday and tomorrow, the spread in observed highs will be greater than 40 degrees!

A low pressure center will slide to our south through the Ohio Valley during the day Thursday.  Since the flow around low pressure is counterclockwise, our wind will have an easterly/northeasterly component.  As a result, our airmass will be cooled by Lake Michigan (whose temperatures are still in the upper 40s and lower 50s).  Combined with clouds and on and off showers, Thursday will be chilly and raw (compared to where we have been this season).  High temperatures will likely remain in the middle 50s.  Areas northwest of Rockford may touch 60 degrees.

Friday, June 1, is the official start of meteorological summer.  Afternoon highs will again be below average.  But signs are pointing to a warm up for early next week, with high temperatures returning to the 80s.

-JA

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Posted under weather

This post was written by qni_it on May 30, 2012

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