Wind chill advisory takes effect in Chicago Thursday night - FOX 35 News Orlando

Wind chill advisory takes effect in Chicago Thursday night

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CHICAGO (Sun-Times Media Wire) -

It's going to get worse before it gets better — though the high temperature Friday is expected to be in the 20s, minus 30 degree wind chills are possible overnight.

The low temperature at O'Hare hit minus 4 between midnight and 6 a.m. Thursday, but the temperature is rising into a high in the single digits, National Weather Service meteorologist Andrew Krein said.

As of 8:30 a.m., the temperature in downtown Chicago was 1 degree and -2 at O'Hare, Krein said.

A wind chill advisory is in effect until noon, with up to 35 mph wind gusts making the day's high temperature of 9 degrees feel like minus 25 degrees in some areas, according to the National Weather Service.

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Another wind chill advisory starts at 6 p.m. tonight and lasts through 10 a.m. Friday as a wave of arctic air bears down on the city, according to the weather service.

Wind chills overnight could feel as cold as minus 30 degrees, five degrees colder than Thursday morning, Krein said.

Meterologists warn that frostbite or hypothermia could occur "within minutes" of exposure to the cold. Forecasters urge residents to cover any exposed skin while outside, and to bring all pets indoors.

The winds could reduce visibility to a half-mile or less in some open-road areas, with drifting snow making some roadways icy and slick, the weather service said.

The frigid temperatures may continue to affect portions of Metra's commuter rail system this week, and the agency is urging riders to allow extra travel time.

"Unfortunately, weather conditions beyond our control will create unanticipated delays or service disruptions," Metra wrote in an alert posted to its website. "Depending on the severity of conditions in specific areas, your train may experience delays."

Trains were running normally as of 9 a.m., according to Metra's website.

Some flights out Midway International Airport were delayed up to 30 minutes, but no delays or cancellations were reported at O'Hare as of 7:45 a.m., according to the city's Department of Aviation.

Friday will see temperatures climb back into the 20s through Sunday, though strong winds will continue to produce subzero wind chills, the weather service said.

Snow also returns to the forecast this weekend, with a 70 percent chance of accumulation Saturday continuing overnight into Sunday.

The next arctic blast will come early next week — Monday morning, the temperature is expected to between minus 3 and minus 5 degrees, meteorologists said.

"But Tuesday morning is when it really gets here," Krein said. The temperature at O'Hare Tuesday morning is expected to be -12, and could get as low as -16 in Rockford.

And with a cold air pattern affecting the entire continent, don't expect the frigid temperatures to go away any time soon.

"It's a safe bet we'll keep seeing these below average temperatures at least through the early days of February," said Matt Friedlein, a NWS meteorologist.

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