Jan. 27--Metra warned of possible delays Monday morning due to potentially record-setting cold that's expected to blanket the area.
"As always, we will make every reasonable effort to provide a timely and comfortable commute," a service alert posted to the agency's website read. "However, trains are likely to be delayed."
Temperatures at O'Hare International Airport dropped from a high of 31 degrees about 3:50 p.m. Sunday to 2 degrees just before 3 a.m. Monday morning. They're expected to continue dropping throughout the day, according to the National Weather Service.
Tuesday's low is expected to land between minus 15 and minus 20 degrees -- anywhere south of minus 13 would be a new record for Jan. 28.
"Metra will have extra engineering and mechanical personnel in the field over the weekend to keep our switches operational and have our locomotives and trains ready for service," the statement continued. "This is difficult; work on switches and much of the routine train servicing must be performed outdoors, and the severe cold is as hard on our workers as it is on our equipment."
The weather has also caused havoc on some area roads. Illinois State Police south of Will County reported 200 stranded motorists who were shuttled to warming centers after spinouts or fender benders.
Interstates 55 and 80, south and west of that interchange, are also in bad shape, police said. Interstate 65 south of Lowell is experiencing blowing and drifting snow.
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