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

Showery, cool here; hot, dry out West

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Sometimes the atmosphere settles into a rut, and this is one of those times. In terms of the weather, it’s as if the U.S. is two completely different countries. Chilly temperatures, widespread cloudiness and rain prevail from the Midwest to New England, whereas it’s hot and dry across the West.
The big story is serious flooding in the Northeast. Record rainfall and resultant river flooding have swamped portions of New England. Boston established two consecutive rainfall records with 3.84” on Saturday and 3.36” through 7 p.m. Sunday, with rain continuing.
Chicago’s scattered showers and sub-normal temperatures through Tuesday are inconsequential by comparison.
It’s all due to a large and stubbornly slow-moving storm system—meteorologists call it a “closed upper low”—that will not relax its influence on Midwestern and Eastern weather until Thursday.
-Richard Koeneman-WGN-TV Meteorologist