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Weather Forecast Office Seattle, WA Northwest River Forecast Center

Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Newaukum River near Chehalis Forecast crest: 6.88 ft at 4:00pm Nov 22 Observed crest: 7.93 ft at 7:30pm Nov 19 Observed: 4.04 ft at 3:30pm Nov 12 Observed: 4.03 ft at 4:00pm Nov 12 Observed: 4.01 ft at 4:30pm Nov 12 Observed: 3.99 ft at 5:00pm Nov 12 Observed: 3.97 ft at 5:30pm Nov 12 Observed: 3.95 ft at 6:00pm Nov 12 Observed: 3.93 ft at 6:30pm Nov 12 Observed: 3.92 ft at 7:00pm Nov 12 Observed: 3.89 ft at 7:30pm Nov 12 Observed: 3.87 ft at 8:00pm Nov 12 Observed: 3.86 ft at 8:30pm Nov 12 Observed: 3.84 ft at 9:00pm Nov 12 Observed: 3.82 ft at 9:30pm Nov 12 Observed: 3.8 ft at 10:00pm Nov 12 Observed: 3.79 ft at 10:30pm Nov 12 Observed: 3.76 ft at 11:00pm Nov 12 Observed: 3.75 ft at 11:30pm Nov 12 Observed: 3.74 ft at 12:00am Nov 13 Observed: 3.72 ft at 12:30am Nov 13 Observed: 3.7 ft at 1:00am Nov 13 Observed: 3.69 ft at 1:30am Nov 13 Observed: 3.67 ft at 2:00am Nov 13 Observed: 3.65 ft at 2:30am Nov 13 Observed: 3.64 ft at 3:00am Nov 13 Observed: 3.63 ft at 3:30am Nov 13 Observed: 3.61 ft at 4:00am Nov 13 Observed: 3.6 ft at 4:30am Nov 13 Observed: 3.58 ft at 5:00am Nov 13 Observed: 3.57 ft at 5:30am Nov 13 Observed: 3.56 ft at 6:00am Nov 13 Observed: 3.56 ft at 6:30am Nov 13 Observed: 3.55 ft at 7:00am Nov 13 Observed: 3.55 ft at 7:30am Nov 13 Observed: 3.55 ft at 8:00am Nov 13 Observed: 3.53 ft at 8:30am Nov 13 Observed: 3.53 ft at 9:00am Nov 13 Observed: 3.52 ft at 9:30am Nov 13 Observed: 3.52 ft at 10:00am Nov 13 Observed: 3.52 ft at 10:30am Nov 13 Observed: 3.53 ft at 11:00am Nov 13 Observed: 3.54 ft at 11:30am Nov 13 Observed: 3.54 ft at 12:00pm Nov 13 Observed: 3.55 ft at 12:30pm Nov 13 Observed: 3.56 ft at 1:00pm Nov 13 Observed: 3.58 ft at 1:30pm Nov 13 Observed: 3.6 ft at 2:00pm Nov 13 Observed: 3.63 ft at 2:30pm Nov 13 Observed: 3.66 ft at 3:00pm Nov 13 Observed: 3.71 ft at 3:30pm Nov 13 Observed: 3.75 ft at 4:00pm Nov 13 Observed: 3.8 ft at 4:30pm Nov 13 Observed: 3.86 ft at 5:00pm Nov 13 Observed: 3.92 ft at 5:30pm Nov 13 Observed: 3.97 ft at 6:00pm Nov 13 Observed: 4.01 ft at 6:30pm Nov 13 Observed: 4.05 ft at 7:00pm Nov 13 Observed: 4.07 ft at 7:30pm Nov 13 Observed: 4.08 ft at 8:00pm Nov 13 Observed: 4.09 ft at 8:30pm Nov 13 Observed: 4.09 ft at 9:00pm Nov 13 Observed: 4.11 ft at 9:30pm Nov 13 Observed: 4.11 ft at 10:00pm Nov 13 Observed: 4.11 ft at 10:30pm Nov 13 Observed: 4.1 ft at 11:00pm Nov 13 Observed: 4.1 ft at 11:30pm Nov 13 Observed: 4.1 ft at 12:00am Nov 14 Observed: 4.1 ft at 12:30am Nov 14 Observed: 4.1 ft at 1:00am Nov 14 Observed: 4.09 ft at 1:30am Nov 14 Observed: 4.08 ft at 2:00am Nov 14 Observed: 4.07 ft at 2:30am Nov 14 Observed: 4.06 ft at 3:00am Nov 14 Observed: 4.05 ft at 3:30am Nov 14 Observed: 4.03 ft at 4:00am Nov 14 Observed: 4.02 ft at 4:30am Nov 14 Observed: 4 ft at 5:00am Nov 14 Observed: 3.98 ft at 5:30am Nov 14 Observed: 3.96 ft at 6:00am Nov 14 Observed: 3.95 ft at 6:30am Nov 14 Observed: 3.94 ft at 7:00am Nov 14 Observed: 3.91 ft at 7:30am Nov 14 Observed: 3.89 ft at 8:00am Nov 14 Observed: 3.87 ft at 8:30am Nov 14 Observed: 3.86 ft at 9:00am Nov 14 Observed: 3.85 ft at 9:30am Nov 14 Observed: 3.81 ft at 10:00am Nov 14 Observed: 3.78 ft at 10:30am Nov 14 Observed: 3.77 ft at 11:00am Nov 14 Observed: 3.75 ft at 11:30am Nov 14 Observed: 3.73 ft at 12:00pm Nov 14 Observed: 3.71 ft at 12:30pm Nov 14 Observed: 3.7 ft at 1:00pm Nov 14 Observed: 3.68 ft at 1:30pm Nov 14 Observed: 3.67 ft at 2:00pm Nov 14 Observed: 3.65 ft at 2:30pm Nov 14 Observed: 3.63 ft at 3:00pm Nov 14 Observed: 3.62 ft at 3:30pm Nov 14 Observed: 3.61 ft at 4:00pm Nov 14 Observed: 3.59 ft at 4:30pm Nov 14 Observed: 3.59 ft at 5:00pm Nov 14 Observed: 3.58 ft at 5:30pm Nov 14 Observed: 3.57 ft at 6:00pm Nov 14 Observed: 3.56 ft at 6:30pm Nov 14 Observed: 3.55 ft at 7:00pm Nov 14 Observed: 3.53 ft at 7:30pm Nov 14 Observed: 3.52 ft at 8:00pm Nov 14 Observed: 3.51 ft at 8:30pm Nov 14 Observed: 3.5 ft at 9:00pm Nov 14 Observed: 3.48 ft at 9:30pm Nov 14 Observed: 3.47 ft at 10:00pm Nov 14 Observed: 3.46 ft at 10:30pm Nov 14 Observed: 3.45 ft at 11:00pm Nov 14 Observed: 3.44 ft at 11:30pm Nov 14 Observed: 3.43 ft at 12:00am Nov 15 Observed: 3.42 ft at 12:30am Nov 15 Observed: 3.41 ft at 1:00am Nov 15 Observed: 3.4 ft at 1:30am Nov 15 Observed: 3.39 ft at 2:00am Nov 15 Observed: 3.39 ft at 2:30am Nov 15 Observed: 3.37 ft at 3:00am Nov 15 Observed: 3.37 ft at 3:30am Nov 15 Observed: 3.36 ft at 4:00am Nov 15 Observed: 3.35 ft at 4:30am Nov 15 Observed: 3.34 ft at 5:00am Nov 15 Observed: 3.34 ft at 5:30am Nov 15 Observed: 3.33 ft at 6:00am Nov 15 Observed: 3.33 ft at 6:30am Nov 15 Observed: 3.32 ft at 7:00am Nov 15 Observed: 3.31 ft at 7:30am Nov 15 Observed: 3.31 ft at 8:00am Nov 15 Observed: 3.3 ft at 8:30am Nov 15 Observed: 3.3 ft at 9:00am Nov 15 Observed: 3.3 ft at 9:30am Nov 15 Observed: 3.3 ft at 10:00am Nov 15 Observed: 3.3 ft at 10:30am Nov 15 Observed: 3.3 ft at 11:00am Nov 15 Observed: 3.31 ft at 11:30am Nov 15 Observed: 3.31 ft at 12:00pm Nov 15 Observed: 3.32 ft at 12:30pm Nov 15 Observed: 3.33 ft at 1:00pm Nov 15 Observed: 3.34 ft at 1:30pm Nov 15 Observed: 3.35 ft at 2:00pm Nov 15 Observed: 3.36 ft at 2:30pm Nov 15 Observed: 3.37 ft at 3:00pm Nov 15 Observed: 3.39 ft at 3:30pm Nov 15 Observed: 3.4 ft at 4:00pm Nov 15 Observed: 3.42 ft at 4:30pm Nov 15 Observed: 3.44 ft at 5:00pm Nov 15 Observed: 3.46 ft at 5:30pm Nov 15 Observed: 3.48 ft at 6:00pm Nov 15 Observed: 3.5 ft at 6:30pm Nov 15 Observed: 3.52 ft at 7:00pm Nov 15 Observed: 3.54 ft at 7:30pm Nov 15 Observed: 3.56 ft at 8:00pm Nov 15 Observed: 3.58 ft at 8:30pm Nov 15 Observed: 3.6 ft at 9:00pm Nov 15 Observed: 3.63 ft at 9:30pm Nov 15 Observed: 3.65 ft at 10:00pm Nov 15 Observed: 3.68 ft at 10:30pm Nov 15 Observed: 3.69 ft at 11:00pm Nov 15 Observed: 3.71 ft at 11:30pm Nov 15 Observed: 3.71 ft at 12:00am Nov 16 Observed: 3.71 ft at 12:30am Nov 16 Observed: 3.71 ft at 1:00am Nov 16 Observed: 3.7 ft at 1:30am Nov 16 Observed: 3.69 ft at 2:00am Nov 16 Observed: 3.68 ft at 2:30am Nov 16 Observed: 3.67 ft at 3:00am Nov 16 Observed: 3.65 ft at 3:30am Nov 16 Observed: 3.64 ft at 4:00am Nov 16 Observed: 3.63 ft at 4:30am Nov 16 Observed: 3.62 ft at 5:00am Nov 16 Observed: 3.59 ft at 6:30am Nov 16 Observed: 3.58 ft at 7:00am Nov 16 Observed: 3.58 ft at 7:30am Nov 16 Observed: 3.57 ft at 8:00am Nov 16 Observed: 3.56 ft at 8:30am Nov 16 Observed: 3.56 ft at 9:00am Nov 16 Observed: 3.55 ft at 9:30am Nov 16 Observed: 3.55 ft at 10:00am Nov 16 Observed: 3.55 ft at 10:30am Nov 16 Observed: 3.56 ft at 11:00am Nov 16 Observed: 3.57 ft at 11:30am Nov 16 Observed: 3.59 ft at 12:00pm Nov 16 Observed: 3.62 ft at 12:30pm Nov 16 Observed: 3.65 ft at 1:00pm Nov 16 Observed: 3.69 ft at 1:30pm Nov 16 Observed: 3.75 ft at 2:00pm Nov 16 Observed: 3.82 ft at 2:30pm Nov 16 Observed: 3.92 ft at 3:00pm Nov 16 Observed: 4.02 ft at 3:30pm Nov 16 Observed: 4.14 ft at 4:00pm Nov 16 Observed: 4.27 ft at 4:30pm Nov 16 Observed: 4.39 ft at 5:00pm Nov 16 Observed: 4.52 ft at 5:30pm Nov 16 Observed: 4.66 ft at 6:00pm Nov 16 Observed: 4.81 ft at 6:30pm Nov 16 Observed: 4.97 ft at 7:00pm Nov 16 Observed: 5.14 ft at 7:30pm Nov 16 Observed: 5.29 ft at 8:00pm Nov 16 Observed: 5.44 ft at 8:30pm Nov 16 Observed: 5.59 ft at 9:00pm Nov 16 Observed: 5.74 ft at 9:30pm Nov 16 Observed: 5.87 ft at 10:00pm Nov 16 Observed: 5.98 ft at 10:30pm Nov 16 Observed: 6.09 ft at 11:00pm Nov 16 Observed: 6.18 ft at 11:30pm Nov 16 Observed: 6.26 ft at 12:00am Nov 17 Observed: 6.33 ft at 12:30am Nov 17 Observed: 6.38 ft at 1:00am Nov 17 Observed: 6.42 ft at 1:30am Nov 17 Observed: 6.44 ft at 2:00am Nov 17 Observed: 6.46 ft at 2:30am Nov 17 Observed: 6.48 ft at 3:00am Nov 17 Observed: 6.5 ft at 3:30am Nov 17 Observed: 6.51 ft at 4:00am Nov 17 Observed: 6.53 ft at 4:30am Nov 17 Observed: 6.55 ft at 5:00am Nov 17 Observed: 6.57 ft at 5:30am Nov 17 Observed: 6.6 ft at 6:00am Nov 17 Observed: 6.61 ft at 6:30am Nov 17 Observed: 6.63 ft at 7:00am Nov 17 Observed: 6.65 ft at 7:30am Nov 17 Observed: 6.67 ft at 8:00am Nov 17 Observed: 6.69 ft at 8:30am Nov 17 Observed: 6.71 ft at 9:00am Nov 17 Observed: 6.71 ft at 9:30am Nov 17 Observed: 6.73 ft at 10:00am Nov 17 Observed: 6.74 ft at 10:30am Nov 17 Observed: 6.75 ft at 11:00am Nov 17 Observed: 6.75 ft at 11:30am Nov 17 Observed: 6.76 ft at 12:00pm Nov 17 Observed: 6.76 ft at 12:30pm Nov 17 Observed: 6.76 ft at 1:00pm Nov 17 Observed: 6.75 ft at 1:30pm Nov 17 Observed: 6.75 ft at 2:00pm Nov 17 Observed: 6.75 ft at 2:30pm Nov 17 Observed: 6.75 ft at 3:00pm Nov 17 Observed: 6.74 ft at 3:30pm Nov 17 Observed: 6.73 ft at 4:00pm Nov 17 Observed: 6.72 ft at 4:30pm Nov 17 Observed: 6.69 ft at 5:00pm Nov 17 Observed: 6.67 ft at 5:30pm Nov 17 Observed: 6.64 ft at 6:00pm Nov 17 Observed: 6.62 ft at 6:30pm Nov 17 Observed: 6.59 ft at 7:00pm Nov 17 Observed: 6.56 ft at 7:30pm Nov 17 Observed: 6.53 ft at 8:00pm Nov 17 Observed: 6.51 ft at 8:30pm Nov 17 Observed: 6.48 ft at 9:00pm Nov 17 Observed: 6.46 ft at 9:30pm Nov 17 Observed: 6.44 ft at 10:00pm Nov 17 Observed: 6.43 ft at 10:30pm Nov 17 Observed: 6.4 ft at 11:00pm Nov 17 Observed: 6.39 ft at 11:30pm Nov 17 Observed: 6.39 ft at 12:00am Nov 18 Observed: 6.38 ft at 12:30am Nov 18 Observed: 6.39 ft at 1:00am Nov 18 Observed: 6.39 ft at 1:30am Nov 18 Observed: 6.4 ft at 2:00am Nov 18 Observed: 6.42 ft at 2:30am Nov 18 Observed: 6.44 ft at 3:00am Nov 18 Observed: 6.47 ft at 3:30am Nov 18 Observed: 6.51 ft at 4:00am Nov 18 Observed: 6.55 ft at 4:30am Nov 18 Observed: 6.59 ft at 5:00am Nov 18 Observed: 6.64 ft at 5:30am Nov 18 Observed: 6.68 ft at 6:00am Nov 18 Observed: 6.72 ft at 6:30am Nov 18 Observed: 6.76 ft at 7:00am Nov 18 Observed: 6.78 ft at 7:30am Nov 18 Observed: 6.8 ft at 8:00am Nov 18 Observed: 6.81 ft at 8:30am Nov 18 Observed: 6.81 ft at 9:00am Nov 18 Observed: 6.81 ft at 9:30am Nov 18 Observed: 6.79 ft at 10:00am Nov 18 Observed: 6.76 ft at 10:30am Nov 18 Observed: 6.73 ft at 11:00am Nov 18 Observed: 6.69 ft at 11:30am Nov 18 Observed: 6.65 ft at 12:00pm Nov 18 Observed: 6.62 ft at 12:30pm Nov 18 Observed: 6.57 ft at 1:00pm Nov 18 Observed: 6.53 ft at 1:30pm Nov 18 Observed: 6.48 ft at 2:00pm Nov 18 Observed: 6.43 ft at 2:30pm Nov 18 Observed: 6.39 ft at 3:00pm Nov 18 Observed: 6.34 ft at 3:30pm Nov 18 Observed: 6.29 ft at 4:00pm Nov 18 Observed: 6.25 ft at 4:30pm Nov 18 Observed: 6.2 ft at 5:00pm Nov 18 Observed: 6.16 ft at 5:30pm Nov 18 Observed: 6.12 ft at 6:00pm Nov 18 Observed: 6.08 ft at 6:30pm Nov 18 Observed: 6.04 ft at 7:00pm Nov 18 Observed: 6 ft at 7:30pm Nov 18 Observed: 5.97 ft at 8:00pm Nov 18 Observed: 5.94 ft at 8:30pm Nov 18 Observed: 5.73 ft at 1:30am Nov 19 Observed: 5.72 ft at 2:00am Nov 19 Observed: 5.72 ft at 2:30am Nov 19 Observed: 5.73 ft at 3:00am Nov 19 Observed: 5.73 ft at 3:30am Nov 19 Observed: 5.74 ft at 4:00am Nov 19 Observed: 5.75 ft at 4:30am Nov 19 Observed: 5.77 ft at 5:00am Nov 19 Observed: 5.79 ft at 5:30am Nov 19 Observed: 5.81 ft at 6:00am Nov 19 Observed: 5.83 ft at 6:30am Nov 19 Observed: 5.85 ft at 7:00am Nov 19 Observed: 5.89 ft at 7:30am Nov 19 Observed: 5.92 ft at 8:00am Nov 19 Observed: 5.96 ft at 8:30am Nov 19 Observed: 6.01 ft at 9:00am Nov 19 Observed: 6.07 ft at 9:30am Nov 19 Observed: 6.13 ft at 10:00am Nov 19 Observed: 6.2 ft at 10:30am Nov 19 Observed: 6.28 ft at 11:00am Nov 19 Observed: 6.38 ft at 11:30am Nov 19 Observed: 6.48 ft at 12:00pm Nov 19 Observed: 6.59 ft at 12:30pm Nov 19 Observed: 6.71 ft at 1:00pm Nov 19 Observed: 6.84 ft at 1:30pm Nov 19 Observed: 6.97 ft at 2:00pm Nov 19 Observed: 7.1 ft at 2:30pm Nov 19 Observed: 7.22 ft at 3:00pm Nov 19 Observed: 7.34 ft at 3:30pm Nov 19 Observed: 7.46 ft at 4:00pm Nov 19 Observed: 7.56 ft at 4:30pm Nov 19 Observed: 7.66 ft at 5:00pm Nov 19 Observed: 7.75 ft at 5:30pm Nov 19 Observed: 7.83 ft at 6:00pm Nov 19 Observed: 7.88 ft at 6:30pm Nov 19 Observed: 7.92 ft at 7:00pm Nov 19 Observed: 7.93 ft at 7:30pm Nov 19 Observed: 7.91 ft at 8:00pm Nov 19 Observed: 7.88 ft at 8:30pm Nov 19 Observed: 7.83 ft at 9:00pm Nov 19 Observed: 7.77 ft at 9:30pm Nov 19 Observed: 7.72 ft at 10:00pm Nov 19 Observed: 7.67 ft at 10:30pm Nov 19 Observed: 7.6 ft at 11:00pm Nov 19 Observed: 7.54 ft at 11:30pm Nov 19 Observed: 7.47 ft at 12:00am Nov 20 Observed: 7.41 ft at 12:30am Nov 20 Observed: 7.34 ft at 1:00am Nov 20 Observed: 7.28 ft at 1:30am Nov 20 Observed: 7.22 ft at 2:00am Nov 20 Observed: 7.16 ft at 2:30am Nov 20 Observed: 7.11 ft at 3:00am Nov 20 Observed: 7.05 ft at 3:30am Nov 20 Observed: 7 ft at 4:00am Nov 20 Observed: 6.94 ft at 4:30am Nov 20 Observed: 6.89 ft at 5:00am Nov 20 Observed: 6.85 ft at 5:30am Nov 20 Observed: 6.81 ft at 6:00am Nov 20 Observed: 6.76 ft at 6:30am Nov 20 Observed: 6.72 ft at 7:00am Nov 20 Observed: 6.68 ft at 7:30am Nov 20 Observed: 6.64 ft at 8:00am Nov 20 Observed: 6.62 ft at 8:30am Nov 20 Observed: 6.58 ft at 9:00am Nov 20 Observed: 6.56 ft at 9:30am Nov 20 Observed: 6.55 ft at 10:00am Nov 20 Observed: 6.53 ft at 10:30am Nov 20 Observed: 6.52 ft at 11:00am Nov 20 Observed: 6.51 ft at 11:30am Nov 20 Observed: 6.51 ft at 12:00pm Nov 20 Observed: 6.51 ft at 12:30pm Nov 20 Observed: 6.51 ft at 1:00pm Nov 20 Observed: 6.52 ft at 1:30pm Nov 20 Observed: 6.53 ft at 2:00pm Nov 20 Observed: 6.55 ft at 2:30pm Nov 20 Observed: 6.56 ft at 3:00pm Nov 20 Observed: 6.57 ft at 3:30pm Nov 20 Observed: 6.57 ft at 4:00pm Nov 20 Observed: 6.56 ft at 4:30pm Nov 20 Observed: 6.55 ft at 5:00pm Nov 20 Observed: 6.52 ft at 5:30pm Nov 20 Observed: 6.5 ft at 6:00pm Nov 20 Observed: 6.47 ft at 6:30pm Nov 20 Observed: 6.44 ft at 7:00pm Nov 20 Observed: 6.41 ft at 7:30pm Nov 20 Observed: 6.38 ft at 8:00pm Nov 20 Observed: 6.35 ft at 8:30pm Nov 20 Observed: 6.32 ft at 9:00pm Nov 20 Observed: 6.3 ft at 9:30pm Nov 20 Observed: 6.27 ft at 10:00pm Nov 20 Observed: 6.24 ft at 10:30pm Nov 20 Observed: 6.22 ft at 11:00pm Nov 20 Observed: 6.2 ft at 11:30pm Nov 20 Observed: 6.17 ft at 12:00am Nov 21 Observed: 6.16 ft at 12:30am Nov 21 Observed: 6.14 ft at 1:00am Nov 21 Observed: 6.11 ft at 1:30am Nov 21 Observed: 6.1 ft at 2:00am Nov 21 Observed: 6.08 ft at 2:30am Nov 21 Observed: 6.06 ft at 3:00am Nov 21 Observed: 6.05 ft at 3:30am Nov 21 Observed: 6.03 ft at 4:00am Nov 21 Observed: 6.02 ft at 4:30am Nov 21 Observed: 6 ft at 5:00am Nov 21 Observed: 5.99 ft at 5:30am Nov 21 Observed: 5.97 ft at 6:00am Nov 21 Observed: 5.96 ft at 6:30am Nov 21 Observed: 5.94 ft at 7:00am Nov 21 Observed: 5.92 ft at 7:30am Nov 21 Observed: 5.89 ft at 8:00am Nov 21 Observed: 5.87 ft at 8:30am Nov 21 Observed: 5.85 ft at 9:00am Nov 21 Observed: 5.83 ft at 9:30am Nov 21 Observed: 5.81 ft at 10:00am Nov 21 Observed: 5.78 ft at 10:30am Nov 21 Observed: 5.76 ft at 11:00am Nov 21 Observed: 5.74 ft at 11:30am Nov 21 Observed: 5.72 ft at 12:00pm Nov 21 Observed: 5.71 ft at 12:30pm Nov 21 Observed: 5.69 ft at 1:00pm Nov 21 Observed: 5.67 ft at 1:30pm Nov 21 Observed: 5.66 ft at 2:00pm Nov 21 Observed: 5.63 ft at 2:30pm Nov 21 Observed: 5.62 ft at 3:00pm Nov 21 Observed: 5.6 ft at 3:30pm Nov 21 Observed: 5.59 ft at 4:00pm Nov 21 Observed: 5.57 ft at 4:30pm Nov 21 Observed: 5.55 ft at 5:00pm Nov 21 Observed: 5.53 ft at 5:30pm Nov 21 Observed: 5.51 ft at 6:00pm Nov 21 Observed: 5.5 ft at 6:30pm Nov 21 Observed: 5.49 ft at 7:00pm Nov 21 Observed: 5.47 ft at 7:30pm Nov 21 Observed: 5.45 ft at 8:00pm Nov 21 Observed: 5.44 ft at 8:30pm Nov 21 Observed: 5.44 ft at 9:00pm Nov 21 Observed: 5.44 ft at 9:30pm Nov 21 Observed: 5.43 ft at 10:00pm Nov 21 Observed: 5.43 ft at 10:30pm Nov 21 Observed: 5.43 ft at 11:00pm Nov 21 Observed: 5.44 ft at 11:30pm Nov 21 Observed: 5.45 ft at 12:00am Nov 22 Observed: 5.46 ft at 12:30am Nov 22 Observed: 5.48 ft at 1:00am Nov 22 Observed: 5.5 ft at 1:30am Nov 22 Observed: 5.52 ft at 2:00am Nov 22 Observed: 5.55 ft at 2:30am Nov 22 Observed: 5.57 ft at 3:00am Nov 22 Observed: 5.6 ft at 3:30am Nov 22 Observed: 5.64 ft at 4:00am Nov 22 Observed: 5.68 ft at 4:30am Nov 22 Observed: 5.72 ft at 5:00am Nov 22 Observed: 5.78 ft at 5:30am Nov 22 Observed: 5.84 ft at 6:00am Nov 22 Observed: 5.89 ft at 6:30am Nov 22 Observed: 5.95 ft at 7:00am Nov 22 Observed: 6 ft at 7:30am Nov 22 Observed: 6.05 ft at 8:00am Nov 22 Observed: 6.1 ft at 8:30am Nov 22 Observed: 6.14 ft at 9:00am Nov 22 Observed: 6.17 ft at 9:30am Nov 22 Observed: 6.2 ft at 10:00am Nov 22 Observed: 6.22 ft at 10:30am Nov 22 Observed: 6.24 ft at 11:00am Nov 22 Observed: 6.26 ft at 11:30am Nov 22 Observed: 6.27 ft at 12:00pm Nov 22 Observed: 6.29 ft at 12:30pm Nov 22 Observed: 6.31 ft at 1:00pm Nov 22 Observed: 6.36 ft at 1:30pm Nov 22 Observed: 6.41 ft at 2:00pm Nov 22 Observed: 6.45 ft at 2:30pm Nov 22 Observed: 6.5 ft at 3:00pm Nov 22 Forecast: 6.23 ft at 10:00am Nov 22 Forecast: 6.88 ft at 4:00pm Nov 22 Forecast: 6.88 ft at 10:00pm Nov 22 Forecast: 6.7 ft at 4:00am Nov 23 Forecast: 6.42 ft at 10:00am Nov 23 Forecast: 6.13 ft at 4:00pm Nov 23 Forecast: 5.92 ft at 10:00pm Nov 23 Forecast: 5.86 ft at 4:00am Nov 24 Forecast: 5.85 ft at 10:00am Nov 24 Forecast: 5.83 ft at 4:00pm Nov 24 Forecast: 5.71 ft at 10:00pm Nov 24 Forecast: 5.51 ft at 4:00am Nov 25 Forecast: 5.3 ft at 10:00am Nov 25 Forecast: 5.11 ft at 4:00pm Nov 25 Forecast: 4.93 ft at 10:00pm Nov 25 Forecast: 4.76 ft at 4:00am Nov 26 Forecast: 4.62 ft at 10:00am Nov 26 Forecast: 4.52 ft at 4:00pm Nov 26 Forecast: 4.59 ft at 10:00pm Nov 26 Forecast: 4.81 ft at 4:00am Nov 27 Forecast: 4.88 ft at 10:00am Nov 27 Forecast: 4.8 ft at 4:00pm Nov 27 Forecast: 4.71 ft at 10:00pm Nov 27 Forecast: 4.64 ft at 4:00am Nov 28 Forecast: 4.56 ft at 10:00am Nov 28 Forecast: 4.45 ft at 4:00pm Nov 28 Forecast: 4.33 ft at 10:00pm Nov 28 Forecast: 4.22 ft at 4:00am Nov 29 Forecast: 4.1 ft at 10:00am Nov 29 Forecast: 3.98 ft at 4:00pm Nov 29 Forecast: 3.87 ft at 10:00pm Nov 29 Forecast: 3.76 ft at 4:00am Nov 30 Forecast: 3.66 ft at 10:00am Nov 30 Forecast: 3.57 ft at 4:00pm Nov 30 Forecast: 3.48 ft at 10:00pm Nov 30 Forecast: 3.39 ft at 4:00am Dec 1 Forecast: 3.31 ft at 10:00am Dec 1 Forecast: 3.23 ft at 4:00pm Dec 1 Forecast: 3.16 ft at 10:00pm Dec 1 Forecast: 3.09 ft at 4:00am Dec 2 Graph Created (3:32pm Nov 22, 2009) Observed Forecast (issued 8:42am Nov 22) NEWW1 (plotting HGIRP) Gage 0 Datum: 190.00 Latest observed value: 6.5 ft at 3:00 PM PST 22-Nov-2009. Flood Stage is 10.5 ft. Stage (ft) Flow (kcfs)
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NOTE: Forecasts for the Newaukum River near Chehalis are issued routinely year-round.

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Flood Categories (in feet)
Major Flood Stage:13.5
Moderate Flood Stage:12.5
Flood Stage:10.5

Historical Crests
(1) 13.54 ft on 02/08/1996
(2) 13.50 ft on 01/08/2009
(3) 13.45 ft on 12/04/2007
(4) 13.00 ft on 11/07/2006
(5) 12.76 ft on 11/24/1986
Show More Historical Crests

Low Water Records
(1) 0 ft on 08/29/1967

 Newaukum River near Chehalis location map

Flood Impacts Collapse
13.5 flood waters will inundate most roads and a majority of residential and commercial areas within the region. Swift flood waters will become deep and hazardous...especially near river channels. A stage of 13.6 feet on the Newaukum corresponds to Phase 4 in the Lewis County flood system. Flooding will occur all along the river including headwaters...forks...tributaries...and other streams within and near the Newaukum River Basin.
12.5 deep and hazardous flood waters will inundate many roads and residential and commercial areas along the Newaukum River and its forks. Impacted roadways and surrounding areas include SR 508...Jackson Hwy. and Tune...Rush...Sommerville...Griel...Hamilton...Tauscher...Guerrier...Kirkland...Macomber...Rice...Senn...Lucas Creek...Middle Fork and North Fork...Bishop...Shorey...Labree...Gish...Yates Roads. A stage of 12.7 on the Newaukum roughly corresponds to Phase 3 flood in the Lewis County flood system.
10.5 flood waters will inundate many roads and residential and commercial areas along the Newaukum River and its forks. Flooding in some areas may be deep and hazardous especially near rivers. Impacted roadways and surrounding areas include Jackson Hwy. and Tune...Rush...Sommerville...Griel...Hamilton...Tauscher...Guerrier...Kirkland...Macomber...Rice...Senn...Lucas Creek...Middle Fork and North Fork Roads. A stage of 10.5 on the Newaukum roughly corresponds to Phase 2 flood in the Lewis County flood system.

About This Location Collapse
Latitude: 46.620000° N, Longitude: 122.944700° W, Horizontal Datum: NAD83

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 10.5 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 190 ft 190 ft  

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

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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
Seattle Weather Forecast Office
7600 Sandpoint Way NE
Seattle, WA 98115-6349
(206) 526-6087
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