 The forecast temperatures are in the low to mid-90s of today, Thursday, Friday, actually a little cooler Friday. Those temperatures are actually at or slightly below average, but I think the fact that there's no power and there are high levels of humidity really make the situation pretty unbearable for parts of Houston. Forecaster Orvec says millions of people across the U.S. are also suffering through another day of extreme heat. This is NPR.