It hasn't qualified as a heat wave, but the last few days have been indisputably heat-wave uncomfortable with the air swollen with water vapor.
That's going to continue this afternoon before a front finally nudges through tonight. But some fireworks are likely before that happens.
The Storm Prediction Center, in Norman, Okla., has placed the entire region under a "slight risk" of severe weather, with the primary threat being strong winds.
Although the government discussions indicate that neither the available energy nor the rain potential is extreme, the storm center it's possible that the front could spawn weak "supercell" thunderstorms during the mid-afternoon.