roberto gonzales is tracking a drop in temperatures.>> we certainly have been. 31 degrees early this morning at walnut creek. it is hard to try to recover from that. our temperatures this afternoon are only into the low to mid 50s. not getting much warmer. we have been picking up a northerly wind that and more. -- wind at 10 miles per hour . we have a breezy evening hour. we have this core area of low pressure generating out of the gulf of alaska. it is pulling out canadian air all the way into southern california. behind it here we have the front. it will bring rain by wednesday evening. rain through thursday tapering off on friday. 45 degrees in the greater lake tahoe area with snow flurries coming as well. locally, the clouds thicken up and the temperatures are only into the 50s. 31 in santa rosa. 32 in livermore. we have a freeze warning in effect for lake county. at 4:51 pm, the sun goes down. it cools down very rapidly at that point. 28 to 37 degrees throughout the central valley. here's your forecast. we are calling for the rain to begin tomorrow evening. it will continue to r

. >>> roberto gonzales is in the weather center.>> we don't want to neglect oakland international airport or monetta international airport. so far, everyone is on time. no delay. let's head on out to sfo and look at the clarity. unlimited visibility at this hour. blue skies with a gentle wind out of the east 7 miles per hour. 48 degrees . it is a lot cooler than it actually is. sfo has clear sailing. 53 degrees, and afternoon high along the peninsula. if you are traveling to atlanta, still cloudy but no delays. chicago warmed up to 54 after frigid temperatures this weekend. i have one hour delays at lax in minneapolis 20 degrees. our daytime high today is in the 50s. we have rain in our forecast. that could hamper some traveling plans. we will talk about that coming up.>>> george michael died suddenly at the age of 53 on christmas day. the singer died of heart failure and was found in bed at his home. he was one of the most celebrated singers in the 80s and 90s. his career spanned more than three decades and inspire the work of countless artists.>> reporter: george michael burst onto the