sergeant nate stayinger, officer michael ma lone shot and killed luis after he charged at officers with a knife. some witnesses say he was not holding a knife at the time. >>> it was a gorgeous weekend.ç >> sunshine all around. are you feeling generous today? >> yes, i am. yesterday those beaches were packed. today we'll have the same thing. here is a look at the forecast today. looking at a nice cool morning, but near record heat again today. temperatures at lunchtime will be 79 in the tri-valley. south bay 80 and 73 in san francisco. our temperatures do continue to warm up hitting the upper 80s. i'll talk about that and a nice cooldown for the rest of the week. let's get an update, already a slowdown in the south bay. >> we are watching these sensors and they are showing down here. cupertino is cleared. around 280 and lawrence expressway and 85 towards sar toga. these are sometimes equipment crews moving slower than we like. sharks play tonight and the ducks. traffic moving nicely past the cleem. >>> coming up next, the fate of millions of undocumented immigrants hanging in the balan