Skip Navigation Linkweather.gov 
NOAA logo - Click to go to the NOAA homepage National Weather Service   NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service

  
 
Weather Forecast Office Portland, OR Northwest River Forecast Center

Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Molalla River near Canby Forecast crest: 13.54 ft at 10:00pm Nov 22 Observed crest: 13.35 ft at 1:00pm Nov 22 Observed: 12.43 ft at 2:30pm Nov 12 Observed: 12.41 ft at 3:00pm Nov 12 Observed: 12.4 ft at 3:30pm Nov 12 Observed: 12.4 ft at 4:00pm Nov 12 Observed: 12.39 ft at 4:30pm Nov 12 Observed: 12.37 ft at 5:00pm Nov 12 Observed: 12.38 ft at 5:30pm Nov 12 Observed: 12.36 ft at 6:00pm Nov 12 Observed: 12.35 ft at 6:30pm Nov 12 Observed: 12.35 ft at 7:00pm Nov 12 Observed: 12.35 ft at 7:30pm Nov 12 Observed: 12.34 ft at 8:00pm Nov 12 Observed: 12.32 ft at 8:30pm Nov 12 Observed: 12.33 ft at 9:00pm Nov 12 Observed: 12.31 ft at 9:30pm Nov 12 Observed: 12.31 ft at 10:00pm Nov 12 Observed: 12.3 ft at 10:30pm Nov 12 Observed: 12.3 ft at 11:00pm Nov 12 Observed: 12.28 ft at 11:30pm Nov 12 Observed: 12.28 ft at 12:00am Nov 13 Observed: 12.27 ft at 12:30am Nov 13 Observed: 12.26 ft at 1:00am Nov 13 Observed: 12.26 ft at 1:30am Nov 13 Observed: 12.24 ft at 2:00am Nov 13 Observed: 12.23 ft at 2:30am Nov 13 Observed: 12.24 ft at 3:00am Nov 13 Observed: 12.22 ft at 3:30am Nov 13 Observed: 12.21 ft at 4:00am Nov 13 Observed: 12.21 ft at 4:30am Nov 13 Observed: 12.2 ft at 5:00am Nov 13 Observed: 12.2 ft at 5:30am Nov 13 Observed: 12.18 ft at 6:00am Nov 13 Observed: 12.18 ft at 6:30am Nov 13 Observed: 12.18 ft at 7:00am Nov 13 Observed: 12.17 ft at 7:30am Nov 13 Observed: 12.17 ft at 8:00am Nov 13 Observed: 12.17 ft at 8:30am Nov 13 Observed: 12.16 ft at 9:00am Nov 13 Observed: 12.15 ft at 9:30am Nov 13 Observed: 12.14 ft at 10:00am Nov 13 Observed: 12.14 ft at 10:30am Nov 13 Observed: 12.13 ft at 11:00am Nov 13 Observed: 12.12 ft at 11:30am Nov 13 Observed: 12.12 ft at 12:00pm Nov 13 Observed: 12.11 ft at 12:30pm Nov 13 Observed: 12.09 ft at 1:00pm Nov 13 Observed: 12.11 ft at 1:30pm Nov 13 Observed: 12.11 ft at 2:00pm Nov 13 Observed: 12.11 ft at 2:30pm Nov 13 Observed: 12.1 ft at 3:00pm Nov 13 Observed: 12.09 ft at 3:30pm Nov 13 Observed: 12.08 ft at 4:00pm Nov 13 Observed: 12.09 ft at 4:30pm Nov 13 Observed: 12.08 ft at 5:00pm Nov 13 Observed: 12.08 ft at 5:30pm Nov 13 Observed: 12.08 ft at 6:00pm Nov 13 Observed: 12.1 ft at 6:30pm Nov 13 Observed: 12.09 ft at 7:00pm Nov 13 Observed: 12.09 ft at 7:30pm Nov 13 Observed: 12.09 ft at 8:00pm Nov 13 Observed: 12.09 ft at 8:30pm Nov 13 Observed: 12.09 ft at 9:00pm Nov 13 Observed: 12.09 ft at 9:30pm Nov 13 Observed: 12.09 ft at 10:00pm Nov 13 Observed: 12.08 ft at 10:30pm Nov 13 Observed: 12.08 ft at 11:00pm Nov 13 Observed: 12.07 ft at 11:30pm Nov 13 Observed: 12.07 ft at 12:00am Nov 14 Observed: 12.06 ft at 12:30am Nov 14 Observed: 12.07 ft at 1:00am Nov 14 Observed: 12.07 ft at 1:30am Nov 14 Observed: 12.05 ft at 2:00am Nov 14 Observed: 12.05 ft at 2:30am Nov 14 Observed: 12.06 ft at 3:00am Nov 14 Observed: 12.04 ft at 3:30am Nov 14 Observed: 12.03 ft at 4:00am Nov 14 Observed: 12.03 ft at 4:30am Nov 14 Observed: 12.03 ft at 5:00am Nov 14 Observed: 12.01 ft at 5:30am Nov 14 Observed: 12 ft at 6:00am Nov 14 Observed: 12 ft at 6:30am Nov 14 Observed: 11.98 ft at 7:00am Nov 14 Observed: 11.97 ft at 7:30am Nov 14 Observed: 11.98 ft at 8:00am Nov 14 Observed: 11.97 ft at 8:30am Nov 14 Observed: 11.95 ft at 9:00am Nov 14 Observed: 11.96 ft at 9:30am Nov 14 Observed: 11.94 ft at 10:00am Nov 14 Observed: 11.94 ft at 10:30am Nov 14 Observed: 11.93 ft at 11:00am Nov 14 Observed: 11.92 ft at 11:30am Nov 14 Observed: 11.92 ft at 12:00pm Nov 14 Observed: 11.91 ft at 12:30pm Nov 14 Observed: 11.9 ft at 1:00pm Nov 14 Observed: 11.89 ft at 1:30pm Nov 14 Observed: 11.9 ft at 2:00pm Nov 14 Observed: 11.88 ft at 2:30pm Nov 14 Observed: 11.88 ft at 3:00pm Nov 14 Observed: 11.88 ft at 3:30pm Nov 14 Observed: 11.87 ft at 4:00pm Nov 14 Observed: 11.86 ft at 4:30pm Nov 14 Observed: 11.85 ft at 5:00pm Nov 14 Observed: 11.85 ft at 5:30pm Nov 14 Observed: 11.84 ft at 6:00pm Nov 14 Observed: 11.84 ft at 6:30pm Nov 14 Observed: 11.83 ft at 7:00pm Nov 14 Observed: 11.83 ft at 7:30pm Nov 14 Observed: 11.82 ft at 8:00pm Nov 14 Observed: 11.81 ft at 8:30pm Nov 14 Observed: 11.8 ft at 9:00pm Nov 14 Observed: 11.8 ft at 9:30pm Nov 14 Observed: 11.81 ft at 10:00pm Nov 14 Observed: 11.79 ft at 10:30pm Nov 14 Observed: 11.8 ft at 11:00pm Nov 14 Observed: 11.79 ft at 11:30pm Nov 14 Observed: 11.79 ft at 12:00am Nov 15 Observed: 11.78 ft at 12:30am Nov 15 Observed: 11.77 ft at 1:00am Nov 15 Observed: 11.77 ft at 1:30am Nov 15 Observed: 11.75 ft at 2:00am Nov 15 Observed: 11.76 ft at 2:30am Nov 15 Observed: 11.75 ft at 3:00am Nov 15 Observed: 11.76 ft at 3:30am Nov 15 Observed: 11.75 ft at 4:00am Nov 15 Observed: 11.75 ft at 4:30am Nov 15 Observed: 11.74 ft at 5:00am Nov 15 Observed: 11.75 ft at 5:30am Nov 15 Observed: 11.73 ft at 6:00am Nov 15 Observed: 11.73 ft at 6:30am Nov 15 Observed: 11.73 ft at 7:00am Nov 15 Observed: 11.72 ft at 7:30am Nov 15 Observed: 11.72 ft at 8:00am Nov 15 Observed: 11.71 ft at 8:30am Nov 15 Observed: 11.7 ft at 9:00am Nov 15 Observed: 11.7 ft at 9:30am Nov 15 Observed: 11.69 ft at 10:00am Nov 15 Observed: 11.68 ft at 10:30am Nov 15 Observed: 11.69 ft at 11:00am Nov 15 Observed: 11.69 ft at 11:30am Nov 15 Observed: 11.68 ft at 12:00pm Nov 15 Observed: 11.67 ft at 12:30pm Nov 15 Observed: 11.67 ft at 1:00pm Nov 15 Observed: 11.67 ft at 1:30pm Nov 15 Observed: 11.66 ft at 2:00pm Nov 15 Observed: 11.66 ft at 2:30pm Nov 15 Observed: 11.65 ft at 3:00pm Nov 15 Observed: 11.65 ft at 3:30pm Nov 15 Observed: 11.65 ft at 4:00pm Nov 15 Observed: 11.64 ft at 4:30pm Nov 15 Observed: 11.63 ft at 5:00pm Nov 15 Observed: 11.63 ft at 5:30pm Nov 15 Observed: 11.63 ft at 6:00pm Nov 15 Observed: 11.63 ft at 6:30pm Nov 15 Observed: 11.62 ft at 7:00pm Nov 15 Observed: 11.62 ft at 7:30pm Nov 15 Observed: 11.62 ft at 8:00pm Nov 15 Observed: 11.61 ft at 8:30pm Nov 15 Observed: 11.61 ft at 9:00pm Nov 15 Observed: 11.61 ft at 9:30pm Nov 15 Observed: 11.6 ft at 10:00pm Nov 15 Observed: 11.6 ft at 10:30pm Nov 15 Observed: 11.6 ft at 11:00pm Nov 15 Observed: 11.59 ft at 11:30pm Nov 15 Observed: 11.59 ft at 12:00am Nov 16 Observed: 11.59 ft at 12:30am Nov 16 Observed: 11.59 ft at 1:00am Nov 16 Observed: 11.59 ft at 1:30am Nov 16 Observed: 11.59 ft at 2:00am Nov 16 Observed: 11.59 ft at 2:30am Nov 16 Observed: 11.59 ft at 3:00am Nov 16 Observed: 11.58 ft at 3:30am Nov 16 Observed: 11.58 ft at 4:00am Nov 16 Observed: 11.59 ft at 4:30am Nov 16 Observed: 11.58 ft at 5:00am Nov 16 Observed: 11.58 ft at 5:30am Nov 16 Observed: 11.58 ft at 6:00am Nov 16 Observed: 11.57 ft at 6:30am Nov 16 Observed: 11.58 ft at 7:00am Nov 16 Observed: 11.56 ft at 7:30am Nov 16 Observed: 11.57 ft at 8:00am Nov 16 Observed: 11.57 ft at 8:30am Nov 16 Observed: 11.57 ft at 9:00am Nov 16 Observed: 11.56 ft at 9:30am Nov 16 Observed: 11.56 ft at 10:00am Nov 16 Observed: 11.56 ft at 10:30am Nov 16 Observed: 11.55 ft at 11:00am Nov 16 Observed: 11.55 ft at 11:30am Nov 16 Observed: 11.55 ft at 12:00pm Nov 16 Observed: 11.55 ft at 12:30pm Nov 16 Observed: 11.54 ft at 1:00pm Nov 16 Observed: 11.54 ft at 1:30pm Nov 16 Observed: 11.54 ft at 2:00pm Nov 16 Observed: 11.54 ft at 2:30pm Nov 16 Observed: 11.53 ft at 3:00pm Nov 16 Observed: 11.53 ft at 3:30pm Nov 16 Observed: 11.52 ft at 4:00pm Nov 16 Observed: 11.53 ft at 4:30pm Nov 16 Observed: 11.52 ft at 5:00pm Nov 16 Observed: 11.52 ft at 5:30pm Nov 16 Observed: 11.52 ft at 6:00pm Nov 16 Observed: 11.52 ft at 6:30pm Nov 16 Observed: 11.52 ft at 7:00pm Nov 16 Observed: 11.52 ft at 7:30pm Nov 16 Observed: 11.51 ft at 8:00pm Nov 16 Observed: 11.52 ft at 8:30pm Nov 16 Observed: 11.51 ft at 9:00pm Nov 16 Observed: 11.51 ft at 9:30pm Nov 16 Observed: 11.51 ft at 10:00pm Nov 16 Observed: 11.51 ft at 10:30pm Nov 16 Observed: 11.51 ft at 11:00pm Nov 16 Observed: 11.52 ft at 11:30pm Nov 16 Observed: 11.52 ft at 12:00am Nov 17 Observed: 11.52 ft at 12:30am Nov 17 Observed: 11.52 ft at 1:00am Nov 17 Observed: 11.53 ft at 1:30am Nov 17 Observed: 11.53 ft at 2:00am Nov 17 Observed: 11.54 ft at 2:30am Nov 17 Observed: 11.54 ft at 3:00am Nov 17 Observed: 11.56 ft at 3:30am Nov 17 Observed: 11.56 ft at 4:00am Nov 17 Observed: 11.57 ft at 4:30am Nov 17 Observed: 11.57 ft at 5:00am Nov 17 Observed: 11.59 ft at 5:30am Nov 17 Observed: 11.59 ft at 6:00am Nov 17 Observed: 11.61 ft at 6:30am Nov 17 Observed: 11.61 ft at 7:00am Nov 17 Observed: 11.62 ft at 7:30am Nov 17 Observed: 11.63 ft at 8:00am Nov 17 Observed: 11.65 ft at 8:30am Nov 17 Observed: 11.66 ft at 9:00am Nov 17 Observed: 11.68 ft at 9:30am Nov 17 Observed: 11.71 ft at 10:00am Nov 17 Observed: 11.75 ft at 10:30am Nov 17 Observed: 11.79 ft at 11:00am Nov 17 Observed: 11.88 ft at 11:30am Nov 17 Observed: 12 ft at 12:00pm Nov 17 Observed: 12.13 ft at 12:30pm Nov 17 Observed: 12.28 ft at 1:00pm Nov 17 Observed: 12.42 ft at 1:30pm Nov 17 Observed: 12.56 ft at 2:00pm Nov 17 Observed: 12.68 ft at 2:30pm Nov 17 Observed: 12.84 ft at 3:00pm Nov 17 Observed: 12.94 ft at 3:30pm Nov 17 Observed: 13.04 ft at 4:00pm Nov 17 Observed: 13.11 ft at 4:30pm Nov 17 Observed: 13.17 ft at 5:00pm Nov 17 Observed: 13.19 ft at 5:30pm Nov 17 Observed: 13.23 ft at 6:00pm Nov 17 Observed: 13.24 ft at 6:30pm Nov 17 Observed: 13.24 ft at 7:00pm Nov 17 Observed: 13.26 ft at 7:30pm Nov 17 Observed: 13.26 ft at 8:00pm Nov 17 Observed: 13.26 ft at 8:30pm Nov 17 Observed: 13.26 ft at 9:00pm Nov 17 Observed: 13.28 ft at 9:30pm Nov 17 Observed: 13.25 ft at 10:00pm Nov 17 Observed: 13.24 ft at 10:30pm Nov 17 Observed: 13.25 ft at 11:00pm Nov 17 Observed: 13.23 ft at 11:30pm Nov 17 Observed: 13.24 ft at 12:00am Nov 18 Observed: 13.23 ft at 12:30am Nov 18 Observed: 13.22 ft at 1:00am Nov 18 Observed: 13.22 ft at 1:30am Nov 18 Observed: 13.21 ft at 2:00am Nov 18 Observed: 13.21 ft at 2:30am Nov 18 Observed: 13.19 ft at 3:00am Nov 18 Observed: 13.18 ft at 3:30am Nov 18 Observed: 13.16 ft at 4:00am Nov 18 Observed: 13.14 ft at 4:30am Nov 18 Observed: 13.12 ft at 5:00am Nov 18 Observed: 13.1 ft at 5:30am Nov 18 Observed: 13.08 ft at 6:00am Nov 18 Observed: 13.08 ft at 6:30am Nov 18 Observed: 13.05 ft at 7:00am Nov 18 Observed: 13.02 ft at 7:30am Nov 18 Observed: 13.04 ft at 8:00am Nov 18 Observed: 13 ft at 8:30am Nov 18 Observed: 12.99 ft at 9:00am Nov 18 Observed: 12.99 ft at 9:30am Nov 18 Observed: 12.98 ft at 10:00am Nov 18 Observed: 12.96 ft at 10:30am Nov 18 Observed: 12.96 ft at 11:00am Nov 18 Observed: 12.93 ft at 11:30am Nov 18 Observed: 12.93 ft at 12:00pm Nov 18 Observed: 12.91 ft at 12:30pm Nov 18 Observed: 12.89 ft at 1:00pm Nov 18 Observed: 12.89 ft at 1:30pm Nov 18 Observed: 12.86 ft at 2:00pm Nov 18 Observed: 12.86 ft at 2:30pm Nov 18 Observed: 12.85 ft at 3:00pm Nov 18 Observed: 12.83 ft at 3:30pm Nov 18 Observed: 12.82 ft at 4:00pm Nov 18 Observed: 12.79 ft at 4:30pm Nov 18 Observed: 12.78 ft at 5:00pm Nov 18 Observed: 12.77 ft at 5:30pm Nov 18 Observed: 12.75 ft at 6:00pm Nov 18 Observed: 12.73 ft at 6:30pm Nov 18 Observed: 12.72 ft at 7:00pm Nov 18 Observed: 12.7 ft at 7:30pm Nov 18 Observed: 12.69 ft at 8:00pm Nov 18 Observed: 12.67 ft at 8:30pm Nov 18 Observed: 12.67 ft at 9:00pm Nov 18 Observed: 12.67 ft at 9:30pm Nov 18 Observed: 12.65 ft at 10:00pm Nov 18 Observed: 12.64 ft at 10:30pm Nov 18 Observed: 12.62 ft at 11:00pm Nov 18 Observed: 12.61 ft at 11:30pm Nov 18 Observed: 12.61 ft at 12:00am Nov 19 Observed: 12.55 ft at 2:30am Nov 19 Observed: 12.52 ft at 3:00am Nov 19 Observed: 12.5 ft at 3:30am Nov 19 Observed: 12.52 ft at 4:00am Nov 19 Observed: 12.5 ft at 4:30am Nov 19 Observed: 12.5 ft at 5:00am Nov 19 Observed: 12.47 ft at 5:30am Nov 19 Observed: 12.46 ft at 6:00am Nov 19 Observed: 12.47 ft at 6:30am Nov 19 Observed: 12.46 ft at 7:00am Nov 19 Observed: 12.45 ft at 7:30am Nov 19 Observed: 12.44 ft at 8:00am Nov 19 Observed: 12.43 ft at 8:30am Nov 19 Observed: 12.43 ft at 9:00am Nov 19 Observed: 12.42 ft at 9:30am Nov 19 Observed: 12.41 ft at 10:00am Nov 19 Observed: 12.42 ft at 10:30am Nov 19 Observed: 12.41 ft at 11:00am Nov 19 Observed: 12.41 ft at 11:30am Nov 19 Observed: 12.4 ft at 12:00pm Nov 19 Observed: 12.41 ft at 12:30pm Nov 19 Observed: 12.41 ft at 1:00pm Nov 19 Observed: 12.42 ft at 1:30pm Nov 19 Observed: 12.44 ft at 2:00pm Nov 19 Observed: 12.46 ft at 2:30pm Nov 19 Observed: 12.49 ft at 3:00pm Nov 19 Observed: 12.51 ft at 3:30pm Nov 19 Observed: 12.53 ft at 4:00pm Nov 19 Observed: 12.54 ft at 4:30pm Nov 19 Observed: 12.53 ft at 5:00pm Nov 19 Observed: 12.53 ft at 5:30pm Nov 19 Observed: 12.54 ft at 6:00pm Nov 19 Observed: 12.54 ft at 6:30pm Nov 19 Observed: 12.53 ft at 7:00pm Nov 19 Observed: 12.55 ft at 7:30pm Nov 19 Observed: 12.54 ft at 8:00pm Nov 19 Observed: 12.54 ft at 8:30pm Nov 19 Observed: 12.53 ft at 9:00pm Nov 19 Observed: 12.54 ft at 9:30pm Nov 19 Observed: 12.51 ft at 10:00pm Nov 19 Observed: 12.52 ft at 10:30pm Nov 19 Observed: 12.53 ft at 11:00pm Nov 19 Observed: 12.52 ft at 11:30pm Nov 19 Observed: 12.52 ft at 12:00am Nov 20 Observed: 12.49 ft at 12:30am Nov 20 Observed: 12.51 ft at 1:00am Nov 20 Observed: 12.5 ft at 1:30am Nov 20 Observed: 12.5 ft at 2:00am Nov 20 Observed: 12.48 ft at 2:30am Nov 20 Observed: 12.48 ft at 3:00am Nov 20 Observed: 12.47 ft at 3:30am Nov 20 Observed: 12.46 ft at 4:00am Nov 20 Observed: 12.46 ft at 4:30am Nov 20 Observed: 12.45 ft at 5:00am Nov 20 Observed: 12.44 ft at 5:30am Nov 20 Observed: 12.45 ft at 6:00am Nov 20 Observed: 12.43 ft at 6:30am Nov 20 Observed: 12.43 ft at 7:00am Nov 20 Observed: 12.42 ft at 7:30am Nov 20 Observed: 12.4 ft at 8:00am Nov 20 Observed: 12.42 ft at 8:30am Nov 20 Observed: 12.4 ft at 9:00am Nov 20 Observed: 12.41 ft at 9:30am Nov 20 Observed: 12.39 ft at 10:00am Nov 20 Observed: 12.39 ft at 10:30am Nov 20 Observed: 12.39 ft at 11:00am Nov 20 Observed: 12.38 ft at 11:30am Nov 20 Observed: 12.38 ft at 12:00pm Nov 20 Observed: 12.38 ft at 12:30pm Nov 20 Observed: 12.37 ft at 1:00pm Nov 20 Observed: 12.37 ft at 1:30pm Nov 20 Observed: 12.36 ft at 2:00pm Nov 20 Observed: 12.37 ft at 2:30pm Nov 20 Observed: 12.36 ft at 3:00pm Nov 20 Observed: 12.37 ft at 3:30pm Nov 20 Observed: 12.37 ft at 4:00pm Nov 20 Observed: 12.37 ft at 4:30pm Nov 20 Observed: 12.37 ft at 5:00pm Nov 20 Observed: 12.38 ft at 5:30pm Nov 20 Observed: 12.38 ft at 6:00pm Nov 20 Observed: 12.4 ft at 6:30pm Nov 20 Observed: 12.4 ft at 7:00pm Nov 20 Observed: 12.41 ft at 7:30pm Nov 20 Observed: 12.41 ft at 8:00pm Nov 20 Observed: 12.42 ft at 8:30pm Nov 20 Observed: 12.45 ft at 9:00pm Nov 20 Observed: 12.44 ft at 9:30pm Nov 20 Observed: 12.46 ft at 10:00pm Nov 20 Observed: 12.46 ft at 10:30pm Nov 20 Observed: 12.44 ft at 11:00pm Nov 20 Observed: 12.45 ft at 11:30pm Nov 20 Observed: 12.45 ft at 12:00am Nov 21 Observed: 12.45 ft at 12:30am Nov 21 Observed: 12.47 ft at 1:00am Nov 21 Observed: 12.46 ft at 1:30am Nov 21 Observed: 12.46 ft at 2:00am Nov 21 Observed: 12.45 ft at 2:30am Nov 21 Observed: 12.46 ft at 3:00am Nov 21 Observed: 12.47 ft at 3:30am Nov 21 Observed: 12.45 ft at 4:00am Nov 21 Observed: 12.46 ft at 4:30am Nov 21 Observed: 12.44 ft at 5:00am Nov 21 Observed: 12.45 ft at 5:30am Nov 21 Observed: 12.43 ft at 6:00am Nov 21 Observed: 12.45 ft at 6:30am Nov 21 Observed: 12.42 ft at 7:00am Nov 21 Observed: 12.41 ft at 7:30am Nov 21 Observed: 12.42 ft at 8:00am Nov 21 Observed: 12.38 ft at 8:30am Nov 21 Observed: 12.38 ft at 9:00am Nov 21 Observed: 12.39 ft at 9:30am Nov 21 Observed: 12.39 ft at 10:00am Nov 21 Observed: 12.37 ft at 10:30am Nov 21 Observed: 12.35 ft at 11:00am Nov 21 Observed: 12.33 ft at 11:30am Nov 21 Observed: 12.35 ft at 12:00pm Nov 21 Observed: 12.33 ft at 12:30pm Nov 21 Observed: 12.32 ft at 1:00pm Nov 21 Observed: 12.31 ft at 1:30pm Nov 21 Observed: 12.3 ft at 2:00pm Nov 21 Observed: 12.3 ft at 2:30pm Nov 21 Observed: 12.31 ft at 3:00pm Nov 21 Observed: 12.27 ft at 3:30pm Nov 21 Observed: 12.29 ft at 4:00pm Nov 21 Observed: 12.28 ft at 4:30pm Nov 21 Observed: 12.26 ft at 5:00pm Nov 21 Observed: 12.27 ft at 5:30pm Nov 21 Observed: 12.26 ft at 6:00pm Nov 21 Observed: 12.26 ft at 6:30pm Nov 21 Observed: 12.26 ft at 7:00pm Nov 21 Observed: 12.25 ft at 7:30pm Nov 21 Observed: 12.24 ft at 8:00pm Nov 21 Observed: 12.24 ft at 8:30pm Nov 21 Observed: 12.23 ft at 9:00pm Nov 21 Observed: 12.23 ft at 9:30pm Nov 21 Observed: 12.24 ft at 10:00pm Nov 21 Observed: 12.23 ft at 10:30pm Nov 21 Observed: 12.24 ft at 11:00pm Nov 21 Observed: 12.24 ft at 11:30pm Nov 21 Observed: 12.24 ft at 12:00am Nov 22 Observed: 12.23 ft at 12:30am Nov 22 Observed: 12.22 ft at 1:00am Nov 22 Observed: 12.22 ft at 1:30am Nov 22 Observed: 12.23 ft at 2:00am Nov 22 Observed: 12.22 ft at 2:30am Nov 22 Observed: 12.21 ft at 3:00am Nov 22 Observed: 12.22 ft at 3:30am Nov 22 Observed: 12.23 ft at 4:00am Nov 22 Observed: 12.23 ft at 4:30am Nov 22 Observed: 12.23 ft at 5:00am Nov 22 Observed: 12.25 ft at 5:30am Nov 22 Observed: 12.27 ft at 6:00am Nov 22 Observed: 12.29 ft at 6:30am Nov 22 Observed: 12.31 ft at 7:00am Nov 22 Observed: 12.35 ft at 7:30am Nov 22 Observed: 12.39 ft at 8:00am Nov 22 Observed: 12.47 ft at 8:30am Nov 22 Observed: 12.56 ft at 9:00am Nov 22 Observed: 12.68 ft at 9:30am Nov 22 Observed: 12.81 ft at 10:00am Nov 22 Observed: 12.94 ft at 10:30am Nov 22 Observed: 13.06 ft at 11:00am Nov 22 Observed: 13.15 ft at 11:30am Nov 22 Observed: 13.25 ft at 12:00pm Nov 22 Observed: 13.3 ft at 12:30pm Nov 22 Observed: 13.35 ft at 1:00pm Nov 22 Forecast: 12.56 ft at 10:00am Nov 22 Forecast: 13.24 ft at 4:00pm Nov 22 Forecast: 13.54 ft at 10:00pm Nov 22 Forecast: 13.38 ft at 4:00am Nov 23 Forecast: 13.17 ft at 10:00am Nov 23 Forecast: 12.98 ft at 4:00pm Nov 23 Forecast: 12.8 ft at 10:00pm Nov 23 Forecast: 12.67 ft at 4:00am Nov 24 Forecast: 12.6 ft at 10:00am Nov 24 Forecast: 12.54 ft at 4:00pm Nov 24 Forecast: 12.47 ft at 10:00pm Nov 24 Forecast: 12.42 ft at 4:00am Nov 25 Forecast: 12.35 ft at 10:00am Nov 25 Forecast: 12.28 ft at 4:00pm Nov 25 Forecast: 12.23 ft at 10:00pm Nov 25 Forecast: 12.19 ft at 4:00am Nov 26 Forecast: 12.15 ft at 10:00am Nov 26 Forecast: 12.11 ft at 4:00pm Nov 26 Forecast: 12.11 ft at 10:00pm Nov 26 Forecast: 12.32 ft at 4:00am Nov 27 Forecast: 12.65 ft at 10:00am Nov 27 Forecast: 12.67 ft at 4:00pm Nov 27 Forecast: 12.53 ft at 10:00pm Nov 27 Forecast: 12.43 ft at 4:00am Nov 28 Forecast: 12.36 ft at 10:00am Nov 28 Forecast: 12.28 ft at 4:00pm Nov 28 Forecast: 12.21 ft at 10:00pm Nov 28 Forecast: 12.15 ft at 4:00am Nov 29 Forecast: 12.11 ft at 10:00am Nov 29 Forecast: 12.07 ft at 4:00pm Nov 29 Forecast: 12.01 ft at 10:00pm Nov 29 Forecast: 11.96 ft at 4:00am Nov 30 Forecast: 11.92 ft at 10:00am Nov 30 Forecast: 11.88 ft at 4:00pm Nov 30 Forecast: 11.85 ft at 10:00pm Nov 30 Forecast: 11.81 ft at 4:00am Dec 1 Forecast: 11.79 ft at 10:00am Dec 1 Forecast: 11.76 ft at 4:00pm Dec 1 Forecast: 11.72 ft at 10:00pm Dec 1 Forecast: 11.69 ft at 4:00am Dec 2 Graph Created (3:02pm Nov 22, 2009) Observed Forecast (issued 8:58am Nov 22) USGS--Water Resources of the United States CANO3 (plotting HGIRG) Gage 0 Datum: 94.00 Latest observed value: 13.35 ft at 1:00 PM PST 22-Nov-2009. Flood Stage is 23.0 ft. Stage (ft) Flow (kcfs)
Printable Image
About this graph
Tabular Data
XML Data
RSS Files
Datum: N/A
Metadata
NOTE: Forecasts for the Molalla River near Canby are issued routinely year-round.

Return to Area Map

Flood Categories (in feet)
Major Flood Stage:25
Flood Stage:23
Action Stage:20

Historical Crests
(1) 26.76 ft on 12/22/1964
(2) 25.45 ft on 01/21/1972
(3) 25.00 ft on 11/24/1960
(4) 24.90 ft on 01/07/1948
(5) 24.60 ft on 02/07/1996
Show More Historical Crests

Low Water Records
(1) 0 ft on 08/27/1959
(1) 0 ft on 09/14/1938
(1) 0 ft on 08/18/1967
Show More Low Water Records

Molalla River near Canby location map

Flood Impacts Collapse
25.0 ABOVE 25 FT...EXPECT MAJOR FLOODING FROM CANBY TO THE WILLAMETTE RIVER. HISTORICALLY...BUSINESSES ALONG HIGHWAY 99E IN WEST CANBY HAVE BEEN THREATENED BY HIGH WATER AT THIS POINT. FLOODING IN THE COMMUNITY OF BARLOW CAN BE EXPECTED AT THIS AND HIGHER STAGES...ALONG WITH FLOODING OF NUMEROUS HOMES AND AGRICULTURAL LAND.
24.0 ABOVE 24 FT...EXPECT WIDESPREAD FLOODING OF AGRICULTURAL LAND AND SECONDARY ROADS. HISTORICALLY...BUILDINGS AND OTHER STRUCTURES IN THE LOWER SECTIONS OF THE RIVER FROM CANBY DOWNSTREAM TO THE CONFLUENCE WITH THE PUDDING RIVER BEGIN TO FLOOD AT THIS POINT.
23.0 ABOVE 23 FT...EXPECT FLOODING OF LOW-LYING AGRICULTURAL LAND FROM CANBY DOWNSTREAM TO THE CONFLUENCE WITH THE PUDDING RIVER. SOME SECONDARY ROADS AND A FEW STRUCTURES MAY BEGIN TO FLOOD.

About This Location Collapse
Latitude: 45.244000° N, Longitude: 122.686000° W, Horizontal Datum: NAD83

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 23 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 N/A N/A Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 N/A N/A Older USGS topographic maps, NGVD29 benchmarks
MSL N/A N/A Older USGS topographic maps, MSL benchmarks
Other 94 ft 117 ft  

Other Data Sources:
U.S. Geological Survey (USGS) Data and Site Info for Canby

Additional Information Collapse
Archived/Historical Data at USACE DataQuery
10-day Forecast/Trend, Northwest River Forecast Center

Resources Collapse
Hydrologic Resources
 Additional Resources
   

Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

NWS Information
National Weather Service
Portland Weather Forecast Office
5241 NE 122nd Avenue
Portland, OR 97230-1089
(503) 261-9246
Ask Questions/Webmaster
Page last modified: 31-Dec-2008 9:31 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities