[topher]

There is a web page to monitor predicted levels and current level of rivers. The color blue means MAJOR FLOOD stage:

http://water.weather.gov/ahps2/index.php?wfo=hgx

I assume the HGX stands for Houston/Galveston area...

[CedarDave]

Texas storm precipitation totals >40 inches as of 9:00 p.m. CDT Tuesday. Full totals for TX and LA at the link at the bottom.

...TEXAS...
CEDAR BAYOU AT FM 1942               51.88                    
CLEAR CREEK AT I-45                  49.40                    
MARYS CREEK AT WINDING ROAD          49.20                    
DAYTON 0.2 E                         46.08                    
HORSEPEN CREEK AT BAY AREA BLVD      45.60                    
SANTA FE 0.7 S                       45.02                    
BERRY BAYOU AT FOREST OAKS BLVD      44.80                    
BERRY BAYOU AT NEVADA                44.44                    
LITTLE VINCE BAYOU AT BURKE RD       43.52                    
HOUSTON WEATHER FORECAST OFFICE      43.38                    
FRIENDSWOOD 2.5 NNE                  42.76                    
PASADENA 4.4 WNW                     42.58                    
LITTLE CEDAR BAYOU AT 8TH ST         42.32                    
ARMAND BAYOU AT GENOA-RED BLUFF RD   42.16                    
TURKEY CREEK AT FM 1959              42.12                    
WEBSTER 0.4 NW                       41.77                    
LEAGUE CITY 2.7 NE                   41.66                    
ARMAND BAYOU AT PASADENA LAKE        41.20                    
TAYLOR LAKE AT NASA ROAD 1           40.44        

http://www.wpc.ncep.noaa.gov/discussions/nfdscc1.html