we've got team coverage of the scorching temperatures. nbc bay area's christie smith live near mt. diablo where the heat isn't doing much to help firefighters today. and kris sanchez is live at b.a.r.t. where commuters are begging for a break from the systems. the heat is forcing it all to move slower. >> we want to get you started with rob mayeda trafficking the heat from our weather center. i guess the good news is it may not be as hot as yesterday, but still hot. >> for some places on the coast, we'll start to see some cooling, but san jose waking up to 75 degrees this morning. again, this is the coolest point of the day, an hour or so before sunrise. and you can see our temperatures there in the south bay, in the mid-70s to get your morning started. 70s across the board for breakfast time. look at those lunchtime temperatures inland, soaring well into the 90s again, above 100 degrees for livermore, but notice san francisco. starting to see some cooling, but not soon enough to prevent a heat advisory for most of the bay area. the comfort level starting to get pretty uncomfortabl