Analysts say high oil prices, high demand in China and uncertainty about the U.S. economy are to blame.
According to the American Automobile Association, a gallon of regular, unleaded gas has already increased 20 cents so far this month.
The national average for the month is forecast at $3 per gallon. That's 89 cents more than last year.
In Cook County, a gallon of regular, unleaded gas is #3.16. That's up 23 cents from last month and 95 cents higher than last year.
