I noticed the discrepancy with the cash/futures and knew something was up. Calculate the dow yourself in times like this, just have a spreadsheet ready thats pulling the live info from your data source, and add up all the last traded prices, and divide by 0.12482483 .
http://www.djindexes.com/mdsidx/index.cfm?event=showAvgOverview&averageSelection=G
http://www.djindexes.com/mdsidx/index.cfm?event=showAvgOverview&averageSelection=G