The Chicago area could go into a deep freeze tonight as an Arctic air mass arrives this evening, the National Weather Service is warning.

The weather service predicts temperatures will plummet to single digits shortly after sunset and continue to tumble overnight, with much of the Chicago and Rockford areas reaching zero degrees or colder. The weather service also is predicting wind chills of 20 to 29 below with winds of 15 to 25 mph.

People without adequate heat should visit one of the following warming centers in Yorkville:

• Beecher Community Center/Senior Services Associates
  • 908 Game Farm Road
  • 8 a.m. to 4 p.m. Mondays through Fridays
  • 630-553-5777
• Kendall County Health Department
  • 811 W. John St.
  • 8 a.m. to 4:30 p.m. Mondays and Fridays, 8 a.m. to 8 p.m. Tuesdays through Thursdays
  • 630-553-9100
• Kendall County Public Safety Center
  • 1102 Cornell Road
  • Open 24/7
  • 630-553-7500
• Yorkville Public Library
  • 902 Fame Farm Road
  • 9 a.m. to 8:30 p.m. Mondays through Thursdays, 9 a.m. to 5 p.m. Fridays, 9 a.m. to 4 p.m. Saturdays, 1 to 4 p.m. Sundays
  • 630-553-4354

People without overnight shelter also can reach out to Kendall County Public Action to Deliver Shelter through the Kendall County Food Pantry at 630-553-0473. Trinity Church United Methodist at the corner of Route 47 and Cannonball Trail in Yorkville hosts the shelter on Thursdays. Friday’s shelter is hosted at Church of Good Shepherd United Methodist Church, 5 W. Washingon St., Oswego.