A freeze watch is in effect for southern Indiana for Tuesday night and Wednesday morning as temperatures fall to 25 degrees.
A new revenue forecast predicts even stronger tax revenue growth for Indiana over the next two years.
January revenues were higher than predicted, but sales tax revenues are falling short of predictions for this fiscal year.
An economist says Indiana's unemployment rate could reach as low at 8.3 percent or as high as 9.5 percent in 2012.
IU released its economic outlook Thursday that said Indiana's economy should grow less than 3 percent next year.