to prevent the spread of west nile virus tonight on the north and highway 101 on the south and orchard parkway to the west and highway 680 to the east. ground crews will start at 11 p.m. tonight. >> now the weather. i do not see fog but that is my drive. over to meteorologist mike nicco. >> it was quiet. a nice change. august 1. welcome to august. check out san francisco: this is what is going on in san francisco during august. not much of a temperature change from the first to the end, from a regular high of 68 to 70 and our low is from 55 to 56 and we have been up to 98 and as cold as 48. we get .1" rain with three quarters the greatest amount. the full moon is the 21. in san francisco it is 55. we are the same temperature in half moon bay and cooler in novato at 50 and 49 in santa rosa. oakland is 58 and mountain view and san jose and 59 in fremont, the warmer spot. concord and san carlos and hair -- hayward at 57. next 12 hours, late arriving clouds and temperatures in the mid-to-upper 50's and dry air bringing a lot of sunshine quickly 58 at the coat, mid-to-upper 60's around the bay and