Thursday, May 18, 2017

Feeling the Chill - You'll Notice the Difference in Temperatures Friday

High temperatures Friday will make a drastic drop from the highs we've had the past several days.  Since last Saturday, high temperatures have been in the low to mid 80's.  Thursday was a little cooler, but right near average reaching the mid-70's.  High temperatures Friday may struggle to even make it out of the 50's during the afternoon! 

A passing cold front Thursday night will be pulled back north as a warm front Friday afternoon.  That front will stop short of northern Illinois during the day.  Highs south of the front over central and southern Illinois will be in the 70's, or warmer.  Highs north of the front will be in the 60's, with middle to upper 50's expected over northern Illinois and southern Wisconsin.  Temperatures a couple thousand feet above our heads, however, will be warming quite a bit.  Unfortunately that warmth doesn't quite make it down to the surface and will actually help keep cloud cover and even a little fog around through the evening.

By Saturday low pressure will be moving into northeast Iowa and should pull the warm front into southern Wisconsin.  This would push high temperatures Saturday afternoon back into the 70's.

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