Caltrans has many road cameras so if you want to see what is going on where you want to drive to here is the website

 https://cwwp2.dot.ca.gov/vm/iframemap.htm

When you use the above URL you can click on the little red pluses on the map and those cameras that are working will give you a recent photo of what is happening there. This way you can get an idea of what you are facing if you actually drive there.