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TUCSON - The heat remains as storm chances increase this weekend.

The Old Pueblo will go for its 50th triple digit day of the year today with a forecast high right around 100, according to Meteorologist John Patrick. Average number of triple digits through today is near 45 so we're not too far off from the average. After slowing the heat down from the start of the summer we are now off the pace of the 99 day record set back in 1994, however, 2012 can still land in the top ten.

High pressure will start to center itself in the four corners keeping the heat around but increasing the moisture content to Southern Arizona. Isolated storm chances will start the weekend from Tucson and points east. Sunday afternoon is looking a little better to see scattered storms region wide. As with any thunderstorm we can expect brief periods of heavy rain, strong wind gusts and dangerous lightning.