The heat will continue to build over the next 8 days with heat index values possibly soaring into the lower 100s.
The extended data has been waffling some on the extent of the ridge of High pressure that will develop this weekend and next week. But, it appears that heat index values will approach the 100 degree mark by Sunday or Monday.
There is the potential that these values could remain high through the extended, but this is all dependent upon the strength of the high pressure.
July officially begins Tuesday, and it appears the weather will match the calendar.