The repetitive weather pattern is caused by a ridge of high pressure that has moved over the central plains. We sit under its southern edge where the mass of sinking air from above suppresses those afternoon cumulus clouds from rising high up into the atmosphere and morphing into rain/thunder makers.
The storm chances are a little less on Friday, a little more on Saturday but staying…well… little:
Meanwhile, nothing going in the Atlantic as we are counting down to Labor Day and the peak of hurricane season. When it gets going in about 10-14 days it’s going to really get cranking: