Two records for heat were tied over the weekend in Marion County, according to the National Weather Service. The high marks of 91 degrees were matched on Saturday (set on 9/30/1952) and Sunday (set on 10/1/1976), and temperatures will remain up to 20 degrees above normal through Tuesday. A few cold fronts will drop temperatures as the week wears on, and more fall-like weather debuts by Friday, with much cooler air expected.