craig martinez, cbs news, san francisco. >>> it's time for a check of our weather with roberta. >> we have a breeze picking up especially this afternoon. here's what you can expect. today and tomorrow, cooler air, settling in. we have north winds coming through the off wind flow creating a dryer condition so that -- we are going to start a warming trend wednesday through the weekend. the weekend temperatures are going to be nice and warm. look at our diablo camera. you can see it nice and clear. we have dry conditions out there. that area is under a red flag warning. 75 concord. livermore, 73. wind speeds areo pick up. pleasanton northwest at -- aek . -- oakland, 12. sustained winds between 10 to 15 miles-per-hour and that's why we have this red flag warning. look at this huge area under that warning. for the north bay hills, it will last until tomorrow, 5:00. east bay hills, it will expire tonight. northeast winds, 10 to 20 miles-per-hour with gust at 50 miles-per-hour. for the higher elevations 1,000 feet and above. it's feeling cooler and windier. there's a low east of us bringing