WGN-TV Chief Meteorologist Tom Skilling and the WGN Weather Center staff provide daily coverage of weather in the Chicago area.

City’s first official 32 degree arrives -- 3 weeks later than year ago

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With fall colors visible but past their peak, and temperatures in what has been an amazing run of warmth this season finally in decline, Autumn, 2007 is entering a new phase. Friday's official 32-degree low at O'Hare came 22 days later than the first frost a year ago and closed the books on one of the four longest growing seasons at that site since 1959. A growing season is defined as the period of time between the last frost of spring and the first frost of fall. The 200-day period between frosts this year was 31 days longer than the long-term average of 169 days.
New Englanders are battening down the hatches Saturday. The remnants of Hurricane Noel have evolved into a mammoth, rapidly deepening non-tropical storm paralleling the East Coast moving north. NOAA scientists sent a new pilotless hurricane research airplane into the system Friday to probe the system's 80 m.p.h. low-level wind field. Cape Cod is to be hardest hit Saturday with 60+ m.p.h. gusts and driving rain.
--By Tom Skilling, WGN-TV Chief Meteorologist