Markets
There is an index of U.S. service activity from the Institute of Supply Management due out at 9 a.m. CST Tuesday, but not much else. Traders remain attentive to weather in Brazil.
Weather
A clipper system will continue to move through the eastern Midwest for Tuesday. A mix of rain and snow is expected and some minor snow accumulation may be possible across Illinois into western Ohio. Well-above normal temperatures will enter the Plains and Midwest by Wednesday, with temperatures approaching 15-20 degrees Fahrenheit above normal in the Northern Plains.