Lake effect: Cold blast could bring snow showers

Parts of the Chicago area -- mostly northwest Indiana -- could get pelted by snow showers tonight and Friday as a cold blast sweeps across the Great Lakes.

The low is expected to dip into the low 30s Thursday night. On Friday, the high is expected to reach only into the upper 40s before dropping into the mid 20s at night.
Northwest Indiana and possibly parts of southeast Cook County could get hit with lake-effect snow showers, according to Gino Izzi, a meteorologist for the National Weather Service.

WGN-TV's Tom Skilling says the temperatures will be the coldest since early April and the Chicago area will see the longest string of consecutive daytime 40s since March.

"The early season cold blast is riding 150 mph jet stream winds out of the Arctic," he says at the Chicago Weather Center. "At ground level, northerly winds are blowing over an extraordinary 4,000-plus mile swath of North America, reaching from north of the Arctic Circle in Canada south to the Gulf of Mexico and Mexico's Yucatan Peninsula."

The weekend is expected to be a little more moderate, with temperatures in the 50s under sunny skies.

-- Staff report

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