I am located in Crosby on the east side of Houston we have gotten right at 14" since yesterday morning at 4:00. it looks like lots more still to come.
Here is a great link to Harris County flood control that shows real time and historical rain amounts.
You can select on one of the boxed and then go to more detail to get large selection of information about that point.
Link to the flood control information
https://www.harriscountyfws.org/
Link to the traffic cameras in the area
http://traffic.houstontranstar.org/cctv/transtar/
Dennis