the reason is something we call virga.the clouds and evaporates. you have the threat of lightning that fuels more fires and the gusty wind that is could spread the fires. it's going to take several days of rain in the area before you moisten up the atmosphere to the ground and see the rainfall. that's what they are expecting as we go toward tomorrow and the end of the week. for today alone, the storm is light. it's going to take time to get more and more moisture in the area to get the dry pattern into a rainy pattern. it's a problem in the southeast. it's so wet. this is the radar. seeing the tropical moisture up to the carolinas. it's thanks to the stationary front. it's been all summer long above record rainfall. 15 inches above average. take a look at the stationary front still in place. now we go to wednesday. notice the changes. we see a cold front to the great lakes. the statiary front, one to two inches of rain, two to four inches additional rain. the biggest change is the cold front is going to cool us off from th

this isn't just virga, this is a little cell pushing north of san ramon. you may have to use your windshield wipers, temperatures in the 70s as you make your way out the front door on a back to school monday for many. if you live in the high country, go to school in the high country, make sure you're ready for the showers and thunderstorms as we head throughout the day. here is the deal, high pressure to our east. an area of low pressure just offshore. that's going to suck up that subtropical moisture and put it into the bay area. it's monday. muggy subtropical feel. the areas i've highlighted, tahoe, headed anywhere towards that area, you could be in for some flash flooding later on today. is no joke. we have the red flag warning in place for much of the day and, yeah, tomorrow as well. we're not going to get out of this pattern. look at your temperatures, 96 in livermore. 86 in san jose, 82 in fremont and 70 degrees in san francisco. here is the deal for the week, temperatures aren't going to shift all that much. we'll stay nice and hot. 92 degrees for t

we're working with a little shower activity, most of this is virga which is precipitation that evaporatesbefore it hits the surface. throughout the day today high pressure will slowly move back in. that's going to boost the area of low pressure. it's going to cut off. that means temperatures will be able to warm in time for the big bay weekend, the giants t raiders, outside lands. 49ers fanfest at candlestick park. raiders game is blocked out. i'm a huge fan. we're going to post the updates on twitter. we'll have them on facebook. so even though you can't catch that game on tv, you can catch it right here with us at nbc bay area. we have you covered. 78 degrees in livermore. 58 degrees on the way to san francisco. here we go. 83 for saturday. up to 85 degrees sunday and finally hitting those seasonal averages tuesday into wednesday. let's get an update on the sig alert with sant any slaughter. >>> still talking about the sig alert through the altamont pass on 580 westbound, the 680 northbound connector. it's keeping things stop and go. it's going to be closed. the right lane will be close

they stand a 30% chance of light showers today and the radar at least indicating there's at least virga out there. for us plenty of low clouds to start out. we are going to be looking for things to remain persistently cloudy near the shoreline. as a result average numbers today as much as 13 degrees below normal. so expect another unseasonably cool day but there's changes in the look ahead and we'll have that coming up. but first let's get a bent metal update. >> there's not much. things are quiet now that we're past 5:00 a lot of the overnight roadwork at least in the clearing stages if not picked up altogether. earlier this morning at the bay bridge we had upper and lower deck roadwork. now it's gone. no delay in any lanes coming into s let's check the nimitz 880 in oakland. northbound 880 approaching embarcadero, that roadwork is all gone. so no big delays right now past the oakland coliseum or really coming from hayward. everything is flowing nicely. it's the other direction southbound 880. this roadwork is running late. we just got off the phone with caltrans on this one various la