"Bus transportation may be slightly delayed," District 181 Superintendent Renée Schuster said in a statement. "Please visit our website at www.d181.org for any additional information or alerts that may be shared."
District 86 announced Hinsdale Central and Hinsdale South will re-open via an email from communications director Kristine Liptrot.
Students have not had to attend class since Dec. 20, when winter break began.
The National Weather Service's wind chill warning ended midday Tuesday. Wednesday's forecast calls for a high of 13 degrees, with wind chill factors of -10.
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