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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
Siuslaw River near Mapleton Forecast crest: 8.05 ft at 10:00am Feb 13 Observed crest: 6.49 ft at 10:00am Feb 06 Observed: 5.88 ft at 12:30pm Jan 30 Observed: 5.86 ft at 1:00pm Jan 30 Observed: 5.86 ft at 1:30pm Jan 30 Observed: 5.87 ft at 2:00pm Jan 30 Observed: 5.86 ft at 2:30pm Jan 30 Observed: 5.86 ft at 3:00pm Jan 30 Observed: 5.87 ft at 3:30pm Jan 30 Observed: 5.87 ft at 4:00pm Jan 30 Observed: 5.87 ft at 4:30pm Jan 30 Observed: 5.87 ft at 5:00pm Jan 30 Observed: 5.86 ft at 5:30pm Jan 30 Observed: 5.86 ft at 6:00pm Jan 30 Observed: 5.86 ft at 6:30pm Jan 30 Observed: 5.85 ft at 7:00pm Jan 30 Observed: 5.87 ft at 7:30pm Jan 30 Observed: 5.86 ft at 8:00pm Jan 30 Observed: 5.87 ft at 8:30pm Jan 30 Observed: 5.86 ft at 9:00pm Jan 30 Observed: 5.86 ft at 9:30pm Jan 30 Observed: 5.86 ft at 10:00pm Jan 30 Observed: 5.85 ft at 10:30pm Jan 30 Observed: 5.87 ft at 11:00pm Jan 30 Observed: 5.87 ft at 11:30pm Jan 30 Observed: 5.85 ft at 12:00am Jan 31 Observed: 5.85 ft at 12:30am Jan 31 Observed: 5.84 ft at 1:00am Jan 31 Observed: 5.85 ft at 1:30am Jan 31 Observed: 5.84 ft at 2:00am Jan 31 Observed: 5.83 ft at 2:30am Jan 31 Observed: 5.82 ft at 3:00am Jan 31 Observed: 5.84 ft at 3:30am Jan 31 Observed: 5.84 ft at 4:00am Jan 31 Observed: 5.85 ft at 4:30am Jan 31 Observed: 5.83 ft at 5:00am Jan 31 Observed: 5.84 ft at 5:30am Jan 31 Observed: 5.83 ft at 6:00am Jan 31 Observed: 5.82 ft at 6:30am Jan 31 Observed: 5.82 ft at 7:00am Jan 31 Observed: 5.82 ft at 7:30am Jan 31 Observed: 5.81 ft at 8:00am Jan 31 Observed: 5.8 ft at 8:30am Jan 31 Observed: 5.8 ft at 9:00am Jan 31 Observed: 5.8 ft at 9:30am Jan 31 Observed: 5.78 ft at 10:00am Jan 31 Observed: 5.8 ft at 10:30am Jan 31 Observed: 5.78 ft at 11:00am Jan 31 Observed: 5.78 ft at 11:30am Jan 31 Observed: 5.79 ft at 12:00pm Jan 31 Observed: 5.77 ft at 12:30pm Jan 31 Observed: 5.77 ft at 1:00pm Jan 31 Observed: 5.77 ft at 1:30pm Jan 31 Observed: 5.76 ft at 2:00pm Jan 31 Observed: 5.78 ft at 2:30pm Jan 31 Observed: 5.77 ft at 3:00pm Jan 31 Observed: 5.76 ft at 3:30pm Jan 31 Observed: 5.77 ft at 4:00pm Jan 31 Observed: 5.75 ft at 4:30pm Jan 31 Observed: 5.75 ft at 5:00pm Jan 31 Observed: 5.73 ft at 5:30pm Jan 31 Observed: 5.74 ft at 6:00pm Jan 31 Observed: 5.74 ft at 6:30pm Jan 31 Observed: 5.73 ft at 7:00pm Jan 31 Observed: 5.74 ft at 7:30pm Jan 31 Observed: 5.75 ft at 8:00pm Jan 31 Observed: 5.73 ft at 8:30pm Jan 31 Observed: 5.73 ft at 9:00pm Jan 31 Observed: 5.73 ft at 9:30pm Jan 31 Observed: 5.72 ft at 10:00pm Jan 31 Observed: 5.72 ft at 10:30pm Jan 31 Observed: 5.72 ft at 11:00pm Jan 31 Observed: 5.71 ft at 11:30pm Jan 31 Observed: 5.71 ft at 12:00am Feb 1 Observed: 5.72 ft at 12:30am Feb 1 Observed: 5.7 ft at 1:00am Feb 1 Observed: 5.7 ft at 1:30am Feb 1 Observed: 5.71 ft at 2:00am Feb 1 Observed: 5.7 ft at 2:30am Feb 1 Observed: 5.7 ft at 3:00am Feb 1 Observed: 5.71 ft at 3:30am Feb 1 Observed: 5.69 ft at 4:00am Feb 1 Observed: 5.71 ft at 4:30am Feb 1 Observed: 5.7 ft at 5:00am Feb 1 Observed: 5.7 ft at 5:30am Feb 1 Observed: 5.69 ft at 6:00am Feb 1 Observed: 5.7 ft at 6:30am Feb 1 Observed: 5.71 ft at 7:00am Feb 1 Observed: 5.68 ft at 7:30am Feb 1 Observed: 5.7 ft at 8:00am Feb 1 Observed: 5.7 ft at 8:30am Feb 1 Observed: 5.69 ft at 9:00am Feb 1 Observed: 5.69 ft at 9:30am Feb 1 Observed: 5.68 ft at 10:00am Feb 1 Observed: 5.69 ft at 10:30am Feb 1 Observed: 5.68 ft at 11:00am Feb 1 Observed: 5.71 ft at 11:30am Feb 1 Observed: 5.7 ft at 12:00pm Feb 1 Observed: 5.71 ft at 12:30pm Feb 1 Observed: 5.72 ft at 1:00pm Feb 1 Observed: 5.72 ft at 1:30pm Feb 1 Observed: 5.72 ft at 2:00pm Feb 1 Observed: 5.73 ft at 2:30pm Feb 1 Observed: 5.75 ft at 3:00pm Feb 1 Observed: 5.76 ft at 3:30pm Feb 1 Observed: 5.76 ft at 4:00pm Feb 1 Observed: 5.75 ft at 4:30pm Feb 1 Observed: 5.75 ft at 5:00pm Feb 1 Observed: 5.76 ft at 5:30pm Feb 1 Observed: 5.75 ft at 6:00pm Feb 1 Observed: 5.76 ft at 6:30pm Feb 1 Observed: 5.79 ft at 7:00pm Feb 1 Observed: 5.8 ft at 7:30pm Feb 1 Observed: 5.79 ft at 8:00pm Feb 1 Observed: 5.79 ft at 8:30pm Feb 1 Observed: 5.79 ft at 9:00pm Feb 1 Observed: 5.8 ft at 9:30pm Feb 1 Observed: 5.82 ft at 10:00pm Feb 1 Observed: 5.81 ft at 10:30pm Feb 1 Observed: 5.82 ft at 11:00pm Feb 1 Observed: 5.84 ft at 11:30pm Feb 1 Observed: 5.84 ft at 12:00am Feb 2 Observed: 5.83 ft at 12:30am Feb 2 Observed: 5.85 ft at 1:00am Feb 2 Observed: 5.84 ft at 1:30am Feb 2 Observed: 5.84 ft at 2:00am Feb 2 Observed: 5.84 ft at 2:30am Feb 2 Observed: 5.83 ft at 3:00am Feb 2 Observed: 5.83 ft at 3:30am Feb 2 Observed: 5.83 ft at 4:00am Feb 2 Observed: 5.82 ft at 4:30am Feb 2 Observed: 5.81 ft at 5:00am Feb 2 Observed: 5.82 ft at 5:30am Feb 2 Observed: 5.81 ft at 6:00am Feb 2 Observed: 5.81 ft at 6:30am Feb 2 Observed: 5.81 ft at 7:00am Feb 2 Observed: 5.8 ft at 7:30am Feb 2 Observed: 5.81 ft at 8:00am Feb 2 Observed: 5.8 ft at 8:30am Feb 2 Observed: 5.8 ft at 9:00am Feb 2 Observed: 5.8 ft at 9:30am Feb 2 Observed: 5.81 ft at 10:00am Feb 2 Observed: 5.81 ft at 10:30am Feb 2 Observed: 5.8 ft at 11:00am Feb 2 Observed: 5.79 ft at 11:30am Feb 2 Observed: 5.79 ft at 12:00pm Feb 2 Observed: 5.79 ft at 12:30pm Feb 2 Observed: 5.79 ft at 1:00pm Feb 2 Observed: 5.78 ft at 1:30pm Feb 2 Observed: 5.79 ft at 2:00pm Feb 2 Observed: 5.79 ft at 2:30pm Feb 2 Observed: 5.8 ft at 3:00pm Feb 2 Observed: 5.8 ft at 3:30pm Feb 2 Observed: 5.8 ft at 4:00pm Feb 2 Observed: 5.8 ft at 4:30pm Feb 2 Observed: 5.78 ft at 5:00pm Feb 2 Observed: 5.78 ft at 5:30pm Feb 2 Observed: 5.79 ft at 6:00pm Feb 2 Observed: 5.79 ft at 6:30pm Feb 2 Observed: 5.79 ft at 7:00pm Feb 2 Observed: 5.78 ft at 7:30pm Feb 2 Observed: 5.77 ft at 8:00pm Feb 2 Observed: 5.8 ft at 8:30pm Feb 2 Observed: 5.8 ft at 9:00pm Feb 2 Observed: 5.77 ft at 9:30pm Feb 2 Observed: 5.78 ft at 10:00pm Feb 2 Observed: 5.79 ft at 10:30pm Feb 2 Observed: 5.79 ft at 11:00pm Feb 2 Observed: 5.79 ft at 11:30pm Feb 2 Observed: 5.79 ft at 12:00am Feb 3 Observed: 5.8 ft at 12:30am Feb 3 Observed: 5.8 ft at 1:00am Feb 3 Observed: 5.8 ft at 1:30am Feb 3 Observed: 5.81 ft at 2:00am Feb 3 Observed: 5.82 ft at 2:30am Feb 3 Observed: 5.82 ft at 3:00am Feb 3 Observed: 5.82 ft at 3:30am Feb 3 Observed: 5.83 ft at 4:00am Feb 3 Observed: 5.83 ft at 4:30am Feb 3 Observed: 5.83 ft at 5:00am Feb 3 Observed: 5.83 ft at 5:30am Feb 3 Observed: 5.83 ft at 6:00am Feb 3 Observed: 5.84 ft at 6:30am Feb 3 Observed: 5.83 ft at 7:00am Feb 3 Observed: 5.86 ft at 7:30am Feb 3 Observed: 5.87 ft at 8:00am Feb 3 Observed: 5.86 ft at 8:30am Feb 3 Observed: 5.89 ft at 9:00am Feb 3 Observed: 5.89 ft at 9:30am Feb 3 Observed: 5.89 ft at 10:00am Feb 3 Observed: 5.92 ft at 10:30am Feb 3 Observed: 5.92 ft at 11:00am Feb 3 Observed: 5.94 ft at 11:30am Feb 3 Observed: 5.96 ft at 12:00pm Feb 3 Observed: 5.94 ft at 12:30pm Feb 3 Observed: 5.97 ft at 1:00pm Feb 3 Observed: 5.96 ft at 1:30pm Feb 3 Observed: 5.99 ft at 2:00pm Feb 3 Observed: 5.97 ft at 2:30pm Feb 3 Observed: 5.99 ft at 3:00pm Feb 3 Observed: 6.01 ft at 3:30pm Feb 3 Observed: 6.01 ft at 4:00pm Feb 3 Observed: 6.04 ft at 4:30pm Feb 3 Observed: 6.05 ft at 5:00pm Feb 3 Observed: 6.06 ft at 5:30pm Feb 3 Observed: 6.08 ft at 6:00pm Feb 3 Observed: 6.06 ft at 6:30pm Feb 3 Observed: 6.09 ft at 7:00pm Feb 3 Observed: 6.1 ft at 7:30pm Feb 3 Observed: 6.1 ft at 8:00pm Feb 3 Observed: 6.09 ft at 8:30pm Feb 3 Observed: 6.1 ft at 9:00pm Feb 3 Observed: 6.14 ft at 9:30pm Feb 3 Observed: 6.15 ft at 10:00pm Feb 3 Observed: 6.15 ft at 10:30pm Feb 3 Observed: 6.18 ft at 11:00pm Feb 3 Observed: 6.2 ft at 11:30pm Feb 3 Observed: 6.21 ft at 12:00am Feb 4 Observed: 6.2 ft at 12:30am Feb 4 Observed: 6.22 ft at 1:00am Feb 4 Observed: 6.22 ft at 1:30am Feb 4 Observed: 6.26 ft at 2:00am Feb 4 Observed: 6.29 ft at 2:30am Feb 4 Observed: 6.29 ft at 3:00am Feb 4 Observed: 6.31 ft at 4:30am Feb 4 Observed: 6.32 ft at 5:00am Feb 4 Observed: 6.34 ft at 5:30am Feb 4 Observed: 6.34 ft at 6:00am Feb 4 Observed: 6.35 ft at 6:30am Feb 4 Observed: 6.35 ft at 7:00am Feb 4 Observed: 6.36 ft at 7:30am Feb 4 Observed: 6.37 ft at 8:00am Feb 4 Observed: 6.41 ft at 10:30am Feb 4 Observed: 6.43 ft at 11:00am Feb 4 Observed: 6.43 ft at 11:30am Feb 4 Observed: 6.44 ft at 12:00pm Feb 4 Observed: 6.45 ft at 12:30pm Feb 4 Observed: 6.46 ft at 1:00pm Feb 4 Observed: 6.47 ft at 1:30pm Feb 4 Observed: 6.47 ft at 2:00pm Feb 4 Observed: 6.49 ft at 2:30pm Feb 4 Observed: 6.49 ft at 3:00pm Feb 4 Observed: 6.49 ft at 3:30pm Feb 4 Observed: 6.52 ft at 4:00pm Feb 4 Observed: 6.52 ft at 4:30pm Feb 4 Observed: 6.54 ft at 5:00pm Feb 4 Observed: 6.54 ft at 5:30pm Feb 4 Observed: 6.53 ft at 6:00pm Feb 4 Observed: 6.55 ft at 6:30pm Feb 4 Observed: 6.55 ft at 7:00pm Feb 4 Observed: 6.55 ft at 7:30pm Feb 4 Observed: 6.57 ft at 8:00pm Feb 4 Observed: 6.56 ft at 8:30pm Feb 4 Observed: 6.58 ft at 9:00pm Feb 4 Observed: 6.6 ft at 9:30pm Feb 4 Observed: 6.59 ft at 10:00pm Feb 4 Observed: 6.59 ft at 10:30pm Feb 4 Observed: 6.61 ft at 11:00pm Feb 4 Observed: 6.62 ft at 11:30pm Feb 4 Observed: 6.62 ft at 12:00am Feb 5 Observed: 6.61 ft at 12:30am Feb 5 Observed: 6.63 ft at 1:00am Feb 5 Observed: 6.62 ft at 1:30am Feb 5 Observed: 6.63 ft at 2:00am Feb 5 Observed: 6.63 ft at 2:30am Feb 5 Observed: 6.63 ft at 3:00am Feb 5 Observed: 6.64 ft at 3:30am Feb 5 Observed: 6.63 ft at 4:00am Feb 5 Observed: 6.64 ft at 4:30am Feb 5 Observed: 6.67 ft at 5:00am Feb 5 Observed: 6.67 ft at 5:30am Feb 5 Observed: 6.68 ft at 6:00am Feb 5 Observed: 6.67 ft at 6:30am Feb 5 Observed: 6.67 ft at 7:00am Feb 5 Observed: 6.66 ft at 7:30am Feb 5 Observed: 6.68 ft at 8:00am Feb 5 Observed: 6.66 ft at 8:30am Feb 5 Observed: 6.69 ft at 9:00am Feb 5 Observed: 6.66 ft at 9:30am Feb 5 Observed: 6.67 ft at 10:00am Feb 5 Observed: 6.65 ft at 10:30am Feb 5 Observed: 6.64 ft at 11:00am Feb 5 Observed: 6.66 ft at 11:30am Feb 5 Observed: 6.66 ft at 12:00pm Feb 5 Observed: 6.65 ft at 12:30pm Feb 5 Observed: 6.65 ft at 1:00pm Feb 5 Observed: 6.64 ft at 1:30pm Feb 5 Observed: 6.63 ft at 2:00pm Feb 5 Observed: 6.64 ft at 2:30pm Feb 5 Observed: 6.65 ft at 3:00pm Feb 5 Observed: 6.63 ft at 3:30pm Feb 5 Observed: 6.63 ft at 4:00pm Feb 5 Observed: 6.64 ft at 4:30pm Feb 5 Observed: 6.63 ft at 5:00pm Feb 5 Observed: 6.62 ft at 5:30pm Feb 5 Observed: 6.61 ft at 6:00pm Feb 5 Observed: 6.63 ft at 6:30pm Feb 5 Observed: 6.61 ft at 7:00pm Feb 5 Observed: 6.61 ft at 7:30pm Feb 5 Observed: 6.59 ft at 8:00pm Feb 5 Observed: 6.59 ft at 8:30pm Feb 5 Observed: 6.6 ft at 9:00pm Feb 5 Observed: 6.6 ft at 9:30pm Feb 5 Observed: 6.59 ft at 10:00pm Feb 5 Observed: 6.58 ft at 10:30pm Feb 5 Observed: 6.59 ft at 11:00pm Feb 5 Observed: 6.59 ft at 11:30pm Feb 5 Observed: 6.57 ft at 12:00am Feb 6 Observed: 6.57 ft at 12:30am Feb 6 Observed: 6.57 ft at 1:00am Feb 6 Observed: 6.56 ft at 1:30am Feb 6 Observed: 6.56 ft at 2:00am Feb 6 Observed: 6.55 ft at 2:30am Feb 6 Observed: 6.55 ft at 3:00am Feb 6 Observed: 6.53 ft at 3:30am Feb 6 Observed: 6.54 ft at 4:00am Feb 6 Observed: 6.54 ft at 4:30am Feb 6 Observed: 6.53 ft at 5:00am Feb 6 Observed: 6.53 ft at 5:30am Feb 6 Observed: 6.51 ft at 6:00am Feb 6 Observed: 6.53 ft at 6:30am Feb 6 Observed: 6.53 ft at 7:00am Feb 6 Observed: 6.51 ft at 7:30am Feb 6 Observed: 6.52 ft at 8:00am Feb 6 Observed: 6.51 ft at 8:30am Feb 6 Observed: 6.49 ft at 9:00am Feb 6 Observed: 6.49 ft at 9:30am Feb 6 Observed: 6.49 ft at 10:00am Feb 6 Observed: 6.48 ft at 10:30am Feb 6 Observed: 6.48 ft at 11:00am Feb 6 Observed: 6.46 ft at 11:30am Feb 6 Observed: 6.48 ft at 12:00pm Feb 6 Observed: 6.47 ft at 12:30pm Feb 6 Observed: 6.47 ft at 1:00pm Feb 6 Observed: 6.47 ft at 1:30pm Feb 6 Observed: 6.46 ft at 2:00pm Feb 6 Observed: 6.45 ft at 2:30pm Feb 6 Observed: 6.45 ft at 3:00pm Feb 6 Observed: 6.45 ft at 3:30pm Feb 6 Observed: 6.45 ft at 4:00pm Feb 6 Observed: 6.43 ft at 4:30pm Feb 6 Observed: 6.44 ft at 5:00pm Feb 6 Observed: 6.43 ft at 5:30pm Feb 6 Observed: 6.45 ft at 6:00pm Feb 6 Observed: 6.45 ft at 6:30pm Feb 6 Observed: 6.43 ft at 7:00pm Feb 6 Observed: 6.43 ft at 7:30pm Feb 6 Observed: 6.44 ft at 8:00pm Feb 6 Observed: 6.42 ft at 8:30pm Feb 6 Observed: 6.42 ft at 9:00pm Feb 6 Observed: 6.41 ft at 9:30pm Feb 6 Observed: 6.41 ft at 10:00pm Feb 6 Observed: 6.41 ft at 10:30pm Feb 6 Observed: 6.41 ft at 11:00pm Feb 6 Observed: 6.41 ft at 11:30pm Feb 6 Observed: 6.39 ft at 12:00am Feb 7 Observed: 6.41 ft at 12:30am Feb 7 Observed: 6.4 ft at 1:00am Feb 7 Observed: 6.4 ft at 1:30am Feb 7 Observed: 6.39 ft at 2:00am Feb 7 Observed: 6.39 ft at 2:30am Feb 7 Observed: 6.39 ft at 3:00am Feb 7 Observed: 6.37 ft at 3:30am Feb 7 Observed: 6.37 ft at 4:00am Feb 7 Observed: 6.36 ft at 4:30am Feb 7 Observed: 6.35 ft at 5:00am Feb 7 Observed: 6.36 ft at 5:30am Feb 7 Observed: 6.35 ft at 6:00am Feb 7 Observed: 6.32 ft at 6:30am Feb 7 Observed: 6.34 ft at 7:00am Feb 7 Observed: 6.34 ft at 7:30am Feb 7 Observed: 6.32 ft at 8:00am Feb 7 Observed: 6.31 ft at 8:30am Feb 7 Observed: 6.3 ft at 9:00am Feb 7 Observed: 6.3 ft at 9:30am Feb 7 Observed: 6.29 ft at 10:00am Feb 7 Observed: 6.3 ft at 10:30am Feb 7 Observed: 6.29 ft at 11:00am Feb 7 Observed: 6.29 ft at 11:30am Feb 7 Observed: 6.27 ft at 12:00pm Feb 7 Observed: 6.26 ft at 12:30pm Feb 7 Observed: 6.26 ft at 1:00pm Feb 7 Observed: 6.25 ft at 1:30pm Feb 7 Observed: 6.25 ft at 2:00pm Feb 7 Observed: 6.24 ft at 2:30pm Feb 7 Observed: 6.23 ft at 3:00pm Feb 7 Observed: 6.23 ft at 3:30pm Feb 7 Observed: 6.21 ft at 4:00pm Feb 7 Observed: 6.22 ft at 4:30pm Feb 7 Observed: 6.21 ft at 5:00pm Feb 7 Observed: 6.21 ft at 5:30pm Feb 7 Observed: 6.21 ft at 6:00pm Feb 7 Observed: 6.2 ft at 6:30pm Feb 7 Observed: 6.2 ft at 7:00pm Feb 7 Observed: 6.2 ft at 7:30pm Feb 7 Observed: 6.18 ft at 8:00pm Feb 7 Observed: 6.19 ft at 8:30pm Feb 7 Observed: 6.18 ft at 9:00pm Feb 7 Observed: 6.16 ft at 9:30pm Feb 7 Observed: 6.16 ft at 10:00pm Feb 7 Observed: 6.18 ft at 10:30pm Feb 7 Observed: 6.16 ft at 11:00pm Feb 7 Observed: 6.16 ft at 11:30pm Feb 7 Observed: 6.16 ft at 12:00am Feb 8 Observed: 6.14 ft at 12:30am Feb 8 Observed: 6.15 ft at 1:00am Feb 8 Observed: 6.14 ft at 1:30am Feb 8 Observed: 6.12 ft at 2:00am Feb 8 Observed: 6.13 ft at 2:30am Feb 8 Observed: 6.13 ft at 3:00am Feb 8 Observed: 6.12 ft at 3:30am Feb 8 Observed: 6.12 ft at 4:00am Feb 8 Observed: 6.11 ft at 4:30am Feb 8 Observed: 6.11 ft at 5:00am Feb 8 Observed: 6.09 ft at 5:30am Feb 8 Observed: 6.1 ft at 6:00am Feb 8 Observed: 6.1 ft at 6:30am Feb 8 Observed: 6.07 ft at 7:00am Feb 8 Observed: 6.09 ft at 7:30am Feb 8 Observed: 6.08 ft at 8:00am Feb 8 Observed: 6.06 ft at 8:30am Feb 8 Observed: 6.07 ft at 9:00am Feb 8 Observed: 6.06 ft at 9:30am Feb 8 Observed: 6.08 ft at 10:00am Feb 8 Observed: 6.06 ft at 10:30am Feb 8 Observed: 6.07 ft at 11:00am Feb 8 Observed: 6.06 ft at 11:30am Feb 8 Observed: 6.06 ft at 12:00pm Feb 8 Observed: 6.05 ft at 12:30pm Feb 8 Observed: 6.04 ft at 1:00pm Feb 8 Observed: 6.04 ft at 1:30pm Feb 8 Observed: 6.02 ft at 2:00pm Feb 8 Observed: 6.02 ft at 2:30pm Feb 8 Observed: 6.04 ft at 3:00pm Feb 8 Observed: 6.03 ft at 3:30pm Feb 8 Observed: 6.01 ft at 4:00pm Feb 8 Observed: 6.02 ft at 4:30pm Feb 8 Observed: 6.01 ft at 5:00pm Feb 8 Observed: 6 ft at 5:30pm Feb 8 Observed: 5.99 ft at 6:00pm Feb 8 Observed: 6.01 ft at 6:30pm Feb 8 Observed: 6.02 ft at 7:00pm Feb 8 Observed: 5.99 ft at 7:30pm Feb 8 Observed: 5.98 ft at 8:00pm Feb 8 Observed: 5.98 ft at 8:30pm Feb 8 Observed: 6 ft at 9:00pm Feb 8 Observed: 5.99 ft at 9:30pm Feb 8 Observed: 5.99 ft at 10:00pm Feb 8 Observed: 5.97 ft at 10:30pm Feb 8 Observed: 5.97 ft at 11:00pm Feb 8 Observed: 5.97 ft at 11:30pm Feb 8 Observed: 5.96 ft at 12:00am Feb 9 Observed: 5.97 ft at 12:30am Feb 9 Observed: 5.96 ft at 1:00am Feb 9 Observed: 5.96 ft at 1:30am Feb 9 Observed: 5.95 ft at 2:00am Feb 9 Observed: 5.96 ft at 2:30am Feb 9 Observed: 5.94 ft at 3:00am Feb 9 Observed: 5.94 ft at 3:30am Feb 9 Observed: 5.92 ft at 4:00am Feb 9 Observed: 5.93 ft at 4:30am Feb 9 Observed: 5.93 ft at 5:00am Feb 9 Observed: 5.93 ft at 5:30am Feb 9 Observed: 5.93 ft at 6:00am Feb 9 Observed: 5.94 ft at 6:30am Feb 9 Observed: 5.93 ft at 7:00am Feb 9 Observed: 5.93 ft at 7:30am Feb 9 Observed: 5.93 ft at 8:00am Feb 9 Observed: 5.93 ft at 8:30am Feb 9 Observed: 5.9 ft at 9:00am Feb 9 Observed: 5.9 ft at 9:30am Feb 9 Observed: 5.89 ft at 10:00am Feb 9 Observed: 5.89 ft at 10:30am Feb 9 Observed: 5.9 ft at 11:00am Feb 9 Forecast: 5.92 ft at 10:00am Feb 9 Forecast: 5.85 ft at 4:00pm Feb 9 Forecast: 5.79 ft at 10:00pm Feb 9 Forecast: 5.72 ft at 4:00am Feb 10 Forecast: 5.65 ft at 10:00am Feb 10 Forecast: 5.63 ft at 4:00pm Feb 10 Forecast: 5.61 ft at 10:00pm Feb 10 Forecast: 5.64 ft at 4:00am Feb 11 Forecast: 5.8 ft at 10:00am Feb 11 Forecast: 6.13 ft at 4:00pm Feb 11 Forecast: 6.53 ft at 10:00pm Feb 11 Forecast: 6.95 ft at 4:00am Feb 12 Forecast: 7.29 ft at 10:00am Feb 12 Forecast: 7.55 ft at 4:00pm Feb 12 Forecast: 7.76 ft at 10:00pm Feb 12 Forecast: 7.94 ft at 4:00am Feb 13 Forecast: 8.05 ft at 10:00am Feb 13 Forecast: 8.04 ft at 4:00pm Feb 13 Forecast: 7.92 ft at 10:00pm Feb 13 Forecast: 7.8 ft at 4:00am Feb 14 Forecast: 7.83 ft at 10:00am Feb 14 Forecast: 7.85 ft at 4:00pm Feb 14 Forecast: 7.73 ft at 10:00pm Feb 14 Forecast: 7.53 ft at 4:00am Feb 15 Forecast: 7.35 ft at 10:00am Feb 15 Forecast: 7.23 ft at 4:00pm Feb 15 Forecast: 7.3 ft at 10:00pm Feb 15 Forecast: 7.85 ft at 4:00am Feb 16 Forecast: 8.74 ft at 10:00am Feb 16 Forecast: 9.42 ft at 4:00pm Feb 16 Forecast: 9.63 ft at 10:00pm Feb 16 Forecast: 9.44 ft at 4:00am Feb 17 Forecast: 9.11 ft at 10:00am Feb 17 Forecast: 8.78 ft at 4:00pm Feb 17 Forecast: 8.45 ft at 10:00pm Feb 17 Forecast: 8.14 ft at 4:00am Feb 18 Forecast: 7.86 ft at 10:00am Feb 18 Forecast: 7.64 ft at 4:00pm Feb 18 Forecast: 7.38 ft at 10:00pm Feb 18 Forecast: 7.09 ft at 4:00am Feb 19 Graph Created (1:04pm Feb 9, 2010) Observed Forecast (issued 9:30am Feb 9) USGS--Water Resources of the United States MPLO3 (plotting HGIRP) Gage 0 Datum: 41.00 Latest observed value: 5.9 ft at 11:00 AM PST 9-Feb-2010. Flood Stage is 18.0 ft. Stage (ft) Flow (kcfs)
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NOTE: Forecasts for the Siuslaw River near Mapleton are issued routinely year-round.

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Flood Categories (in feet)
Major Flood Stage:28
Flood Stage:18
Action Stage:15

Historical Crests
(1) 30.21 ft on 02/07/1996
(2) 28.45 ft on 01/21/1972
(3) 28.28 ft on 01/16/1974
(4) 28.00 ft on 12/16/1964
(5) 25.79 ft on 12/28/1998
Show More Historical Crests

Low Water Records
(1) 0 ft on 08/18/1977
(1) 0 ft on 08/22/1973
(1) 0 ft on 09/23/1991

 Siuslaw River near Mapleton location map

Flood Impacts Collapse
28.0 ABOVE 28 FT...EXPECT MAJOR FLOODING OF THE RIVERVIEW AVENUE AREA AND NUMEROUS HOMES AND BUSINESSES IN THE TOWN OF MAPLETON. FLOODING OF ROADS ADJACENT TO THE SIUSLAW RIVER IN THE VICINITY OF MAPLETON IS LIKELY.
25.5 ABOVE 25.5 FT...EXPECT EXTENSIVE WIDESPREAD FLOODING. MANY SECTIONS OF HIGHWAY 126 FROM TIERNAN TO MAPLETON...ALONG WITH HWY 36 NORTH OF MAPLETON...HISTORICALLY BEGIN TO FLOOD AT THIS STAGE. SOME SECTIONS OF THE TOWN OF MAPLETON MAY BEGIN TO FLOOD AT THIS LEVEL.
22.0 ABOVE 22 FT...EXPECT WIDESPREAD FLOODING OF LOW-LYING LAND. NUMEROUS RURAL ROADS ALONG AND NEAR THE SIUSLAW RIVER WILL LIKELY BE FLOODED...AND WATER HISTORICALLY BEGINS TO COVER THE LOWER SECTIONS OF HWY 126 AT THIS STAGE.
18.0 ABOVE 18 FT...EXPECT MINOR FLOODING OF LOW LYING DAIRY LAND ALONG WITH SOME STRUCTURES RIGHT ALONG THE BANKS OF THE SIUSLAW RIVER IN THE VICINITY OF MAPLETON.

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

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

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Hydrologic Resources
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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
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