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

Marathon run of good weather continues

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For the second year in a row, this morning’s runners in the LaSalle Bank Chicago Marathon will compete in ideal racing temperatures—readings rising from the 40s into the 50s. Northeast winds blowing in off Lake Michigan will average 10-16 m.p.h., though northbound runners could face higher gusts on portions of the course that are near the lakefront.
Beyond Sunday, the week ahead looks seasonable and typically autumnal.
A powerful storm bringing rain and heavy mountain snow —in excess of 10 inches at Colorado’s ski resorts—gradually shifts into the Midwest by midweek, much weaker and as a rain maker.
That system’s rain should hold off until late Wednesday night, thereby allowing good weather for the White Sox’s opening game of the Americal League Championship Series Tuesday night and also for the second game on Wednesday.