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Hydrograph River at a Glance Download
Mill Creek (WA) near Walla Walla Stage (ft)Flow (cfs)Highest Observation: 14.18 ft at 9:45AM May 19, 2022Highest Observation: 14.18 ft at 10:00AM May 19, 2022Highest Observation: 14.18 ft at 10:15AM May 19, 2022Observed: 14.17 ft at 10:30AM May 19, 2022Observed: 14.17 ft at 10:45AM May 19, 2022Observed: 14.17 ft at 11:00AM May 19, 2022Observed: 14.17 ft at 11:15AM May 19, 2022Observed: 14.16 ft at 11:30AM May 19, 2022Observed: 14.16 ft at 11:45AM May 19, 2022Observed: 14.16 ft at 12:00PM May 19, 2022Observed: 14.16 ft at 12:15PM May 19, 2022Observed: 14.16 ft at 12:30PM May 19, 2022Observed: 14.16 ft at 12:45PM May 19, 2022Observed: 14.15 ft at 1:00PM May 19, 2022Observed: 14.15 ft at 1:15PM May 19, 2022Observed: 14.15 ft at 1:30PM May 19, 2022Observed: 14.15 ft at 1:45PM May 19, 2022Observed: 14.15 ft at 2:00PM May 19, 2022Observed: 14.14 ft at 2:15PM May 19, 2022Observed: 14.15 ft at 2:30PM May 19, 2022Observed: 14.15 ft at 2:45PM May 19, 2022Observed: 14.15 ft at 3:00PM May 19, 2022Observed: 14.14 ft at 3:15PM May 19, 2022Observed: 14.14 ft at 3:30PM May 19, 2022Observed: 14.14 ft at 3:45PM May 19, 2022Observed: 14.14 ft at 4:00PM May 19, 2022Observed: 14.14 ft at 4:15PM May 19, 2022Observed: 14.13 ft at 4:30PM May 19, 2022Observed: 14.13 ft at 4:45PM May 19, 2022Observed: 14.13 ft at 5:00PM May 19, 2022Observed: 14.13 ft at 5:15PM May 19, 2022Observed: 14.13 ft at 5:30PM May 19, 2022Observed: 14.13 ft at 5:45PM May 19, 2022Observed: 14.13 ft at 6:00PM May 19, 2022Observed: 14.12 ft at 6:15PM May 19, 2022Observed: 14.12 ft at 6:30PM May 19, 2022Observed: 14.12 ft at 6:45PM May 19, 2022Observed: 14.12 ft at 7:00PM May 19, 2022Observed: 14.11 ft at 7:15PM May 19, 2022Observed: 14.11 ft at 7:30PM May 19, 2022Observed: 14.12 ft at 7:45PM May 19, 2022Observed: 14.11 ft at 8:00PM May 19, 2022Observed: 14.11 ft at 8:15PM May 19, 2022Observed: 14.11 ft at 8:30PM May 19, 2022Observed: 14.11 ft at 8:45PM May 19, 2022Observed: 14.1 ft at 9:00PM May 19, 2022Observed: 14.11 ft at 9:15PM May 19, 2022Observed: 14.1 ft at 9:30PM May 19, 2022Observed: 14.1 ft at 9:45PM May 19, 2022Observed: 14.1 ft at 10:00PM May 19, 2022Observed: 14.1 ft at 10:15PM May 19, 2022Observed: 14.1 ft at 10:30PM May 19, 2022Observed: 14.1 ft at 10:45PM May 19, 2022Observed: 14.1 ft at 11:00PM May 19, 2022Observed: 14.09 ft at 11:15PM May 19, 2022Observed: 14.08 ft at 11:30PM May 19, 2022Observed: 14.09 ft at 11:45PM May 19, 2022Observed: 14.08 ft at 12:00AM May 20, 2022Observed: 14.09 ft at 12:15AM May 20, 2022Observed: 14.08 ft at 12:30AM May 20, 2022Observed: 14.08 ft at 12:45AM May 20, 2022Observed: 14.08 ft at 1:00AM May 20, 2022Observed: 14.08 ft at 1:15AM May 20, 2022Observed: 14.08 ft at 1:30AM May 20, 2022Observed: 14.08 ft at 1:45AM May 20, 2022Observed: 14.08 ft at 2:00AM May 20, 2022Observed: 14.08 ft at 2:15AM May 20, 2022Observed: 14.08 ft at 2:30AM May 20, 2022Observed: 14.07 ft at 2:45AM May 20, 2022Observed: 14.08 ft at 3:00AM May 20, 2022Observed: 14.07 ft at 3:15AM May 20, 2022Observed: 14.07 ft at 3:30AM May 20, 2022Observed: 14.07 ft at 3:45AM May 20, 2022Observed: 14.06 ft at 4:00AM May 20, 2022Observed: 14.07 ft at 4:15AM May 20, 2022Observed: 14.06 ft at 4:30AM May 20, 2022Observed: 14.06 ft at 4:45AM May 20, 2022Observed: 14.06 ft at 5:00AM May 20, 2022Observed: 14.06 ft at 5:15AM May 20, 2022Observed: 14.06 ft at 5:30AM May 20, 2022Observed: 14.06 ft at 5:45AM May 20, 2022Observed: 14.06 ft at 6:00AM May 20, 2022Observed: 14.06 ft at 6:15AM May 20, 2022Observed: 14.06 ft at 6:30AM May 20, 2022Observed: 14.05 ft at 6:45AM May 20, 2022Observed: 14.05 ft at 7:00AM May 20, 2022Observed: 14.05 ft at 7:15AM May 20, 2022Observed: 14.05 ft at 7:30AM May 20, 2022Observed: 14.05 ft at 7:45AM May 20, 2022Observed: 14.05 ft at 8:00AM May 20, 2022Observed: 14.05 ft at 8:15AM May 20, 2022Observed: 14.04 ft at 8:30AM May 20, 2022Observed: 14.04 ft at 8:45AM May 20, 2022Observed: 14.04 ft at 9:00AM May 20, 2022Observed: 14.04 ft at 9:15AM May 20, 2022Observed: 14.04 ft at 9:30AM May 20, 2022Observed: 14.04 ft at 9:45AM May 20, 2022Observed: 14.04 ft at 10:00AM May 20, 2022Observed: 14.04 ft at 10:15AM May 20, 2022Observed: 14.04 ft at 10:30AM May 20, 2022Observed: 14.03 ft at 11:00AM May 20, 2022Observed: 14.04 ft at 11:15AM May 20, 2022Observed: 14.03 ft at 11:30AM May 20, 2022Observed: 14.03 ft at 11:45AM May 20, 2022Observed: 14.03 ft at 12:00PM May 20, 2022Observed: 14.03 ft at 12:15PM May 20, 2022Observed: 14.03 ft at 12:30PM May 20, 2022Observed: 14.02 ft at 12:45PM May 20, 2022Observed: 14.02 ft at 1:00PM May 20, 2022Observed: 14.02 ft at 1:15PM May 20, 2022Observed: 14.02 ft at 1:30PM May 20, 2022Observed: 14.02 ft at 1:45PM May 20, 2022Observed: 14.02 ft at 2:00PM May 20, 2022Observed: 14.02 ft at 2:15PM May 20, 2022Observed: 14.01 ft at 2:30PM May 20, 2022Observed: 14.02 ft at 2:45PM May 20, 2022Observed: 14.01 ft at 3:00PM May 20, 2022Observed: 14.02 ft at 3:15PM May 20, 2022Observed: 14.01 ft at 3:30PM May 20, 2022Observed: 14.01 ft at 3:45PM May 20, 2022Observed: 14.01 ft at 4:00PM May 20, 2022Observed: 14.01 ft at 4:15PM May 20, 2022Observed: 14.01 ft at 4:30PM May 20, 2022Observed: 14.01 ft at 4:45PM May 20, 2022Observed: 14 ft at 5:00PM May 20, 2022Observed: 14 ft at 5:15PM May 20, 2022Observed: 14 ft at 5:30PM May 20, 2022Observed: 14 ft at 5:45PM May 20, 2022Observed: 14 ft at 6:00PM May 20, 2022Observed: 14 ft at 6:15PM May 20, 2022Observed: 14.01 ft at 6:30PM May 20, 2022Observed: 14 ft at 6:45PM May 20, 2022Observed: 14 ft at 7:00PM May 20, 2022Observed: 14 ft at 7:15PM May 20, 2022Observed: 14 ft at 7:30PM May 20, 2022Observed: 14 ft at 7:45PM May 20, 2022Observed: 14 ft at 8:00PM May 20, 2022Observed: 14 ft at 8:15PM May 20, 2022Observed: 14 ft at 8:30PM May 20, 2022Observed: 13.99 ft at 8:45PM May 20, 2022Observed: 14 ft at 9:00PM May 20, 2022Observed: 13.99 ft at 9:15PM May 20, 2022Observed: 13.99 ft at 9:30PM May 20, 2022Observed: 14 ft at 9:45PM May 20, 2022Observed: 13.99 ft at 10:00PM May 20, 2022Observed: 13.99 ft at 10:15PM May 20, 2022Observed: 13.99 ft at 10:30PM May 20, 2022Observed: 13.99 ft at 10:45PM May 20, 2022Observed: 13.99 ft at 11:00PM May 20, 2022Observed: 13.99 ft at 11:15PM May 20, 2022Observed: 13.99 ft at 11:30PM May 20, 2022Observed: 13.98 ft at 11:45PM May 20, 2022Observed: 13.99 ft at 12:00AM May 21, 2022Observed: 13.98 ft at 12:15AM May 21, 2022Observed: 13.99 ft at 12:30AM May 21, 2022Observed: 13.98 ft at 12:45AM May 21, 2022Observed: 13.98 ft at 1:00AM May 21, 2022Observed: 13.99 ft at 1:15AM May 21, 2022Observed: 13.98 ft at 1:30AM May 21, 2022Observed: 13.98 ft at 1:45AM May 21, 2022Observed: 13.98 ft at 2:00AM May 21, 2022Observed: 13.98 ft at 2:15AM May 21, 2022Observed: 13.98 ft at 2:30AM May 21, 2022Observed: 13.98 ft at 2:45AM May 21, 2022Observed: 13.98 ft at 3:00AM May 21, 2022Observed: 13.98 ft at 3:15AM May 21, 2022Observed: 13.98 ft at 3:30AM May 21, 2022Observed: 13.98 ft at 3:45AM May 21, 2022Observed: 13.97 ft at 4:00AM May 21, 2022Observed: 13.97 ft at 4:15AM May 21, 2022Observed: 13.97 ft at 4:30AM May 21, 2022Observed: 13.97 ft at 4:45AM May 21, 2022Observed: 13.97 ft at 5:00AM May 21, 2022Observed: 13.97 ft at 5:15AM May 21, 2022Observed: 13.97 ft at 5:30AM May 21, 2022Observed: 13.97 ft at 5:45AM May 21, 2022Observed: 13.97 ft at 6:00AM May 21, 2022Observed: 13.97 ft at 6:15AM May 21, 2022Observed: 13.97 ft at 6:30AM May 21, 2022Observed: 13.97 ft at 6:45AM May 21, 2022Observed: 13.96 ft at 7:00AM May 21, 2022Observed: 13.96 ft at 7:15AM May 21, 2022Observed: 13.96 ft at 7:30AM May 21, 2022Observed: 13.96 ft at 7:45AM May 21, 2022Observed: 13.96 ft at 8:00AM May 21, 2022Observed: 13.97 ft at 8:15AM May 21, 2022Observed: 13.96 ft at 8:30AM May 21, 2022Observed: 13.96 ft at 8:45AM May 21, 2022Observed: 13.95 ft at 9:00AM May 21, 2022Observed: 13.96 ft at 9:15AM May 21, 2022Observed: 13.96 ft at 9:30AM May 21, 2022Observed: 13.96 ft at 9:45AM May 21, 2022Observed: 13.94 ft at 10:00AM May 21, 2022Observed: 13.94 ft at 10:15AM May 21, 2022Observed: 13.94 ft at 10:30AM May 21, 2022Observed: 13.93 ft at 10:45AM May 21, 2022Observed: 13.93 ft at 11:00AM May 21, 2022Observed: 13.93 ft at 11:15AM May 21, 2022Observed: 13.93 ft at 11:30AM May 21, 2022Observed: 13.93 ft at 11:45AM May 21, 2022Observed: 13.93 ft at 12:00PM May 21, 2022Observed: 13.93 ft at 12:15PM May 21, 2022Observed: 13.92 ft at 12:30PM May 21, 2022Observed: 13.93 ft at 12:45PM May 21, 2022Observed: 13.93 ft at 1:00PM May 21, 2022Observed: 13.93 ft at 1:15PM May 21, 2022Observed: 13.92 ft at 1:30PM May 21, 2022Observed: 13.92 ft at 1:45PM May 21, 2022Observed: 13.92 ft at 2:00PM May 21, 2022Observed: 13.92 ft at 2:15PM May 21, 2022Observed: 13.92 ft at 2:30PM May 21, 2022Observed: 13.91 ft at 2:45PM May 21, 2022Observed: 13.92 ft at 3:00PM May 21, 2022Observed: 13.91 ft at 3:15PM May 21, 2022Observed: 13.91 ft at 3:30PM May 21, 2022Observed: 13.91 ft at 3:45PM May 21, 2022Observed: 13.91 ft at 4:00PM May 21, 2022Observed: 13.91 ft at 4:15PM May 21, 2022Observed: 13.91 ft at 4:30PM May 21, 2022Observed: 13.91 ft at 4:45PM May 21, 2022Observed: 13.91 ft at 5:00PM May 21, 2022Observed: 13.91 ft at 5:15PM May 21, 2022Observed: 13.91 ft at 5:30PM May 21, 2022Observed: 13.91 ft at 5:45PM May 21, 2022Observed: 13.91 ft at 6:00PM May 21, 2022Observed: 13.9 ft at 6:15PM May 21, 2022Observed: 13.9 ft at 6:30PM May 21, 2022Observed: 13.91 ft at 6:45PM May 21, 2022Observed: 13.91 ft at 7:00PM May 21, 2022Observed: 13.91 ft at 7:15PM May 21, 2022Observed: 13.9 ft at 7:30PM May 21, 2022Observed: 13.91 ft at 7:45PM May 21, 2022Observed: 13.91 ft at 8:00PM May 21, 2022Observed: 13.91 ft at 8:15PM May 21, 2022Observed: 13.9 ft at 8:30PM May 21, 2022Observed: 13.9 ft at 8:45PM May 21, 2022Observed: 13.9 ft at 9:00PM May 21, 2022Observed: 13.9 ft at 9:15PM May 21, 2022Observed: 13.9 ft at 9:30PM May 21, 2022Observed: 13.9 ft at 9:45PM May 21, 2022Observed: 13.9 ft at 10:00PM May 21, 2022Observed: 13.9 ft at 10:15PM May 21, 2022Observed: 13.9 ft at 10:30PM May 21, 2022Observed: 13.9 ft at 10:45PM May 21, 2022Observed: 13.9 ft at 11:00PM May 21, 2022Observed: 13.9 ft at 11:15PM May 21, 2022Observed: 13.9 ft at 11:30PM May 21, 2022Observed: 13.9 ft at 11:45PM May 21, 2022Observed: 13.9 ft at 12:00AM May 22, 2022Observed: 13.9 ft at 12:15AM May 22, 2022Observed: 13.89 ft at 12:30AM May 22, 2022Observed: 13.9 ft at 12:45AM May 22, 2022Observed: 13.9 ft at 1:00AM May 22, 2022Observed: 13.89 ft at 1:15AM May 22, 2022Observed: 13.89 ft at 1:30AM May 22, 2022Observed: 13.9 ft at 1:45AM May 22, 2022Observed: 13.89 ft at 2:00AM May 22, 2022Observed: 13.89 ft at 2:15AM May 22, 2022Observed: 13.89 ft at 2:30AM May 22, 2022Observed: 13.89 ft at 2:45AM May 22, 2022Observed: 13.89 ft at 3:00AM May 22, 2022Observed: 13.89 ft at 3:15AM May 22, 2022Observed: 13.89 ft at 3:30AM May 22, 2022Observed: 13.89 ft at 3:45AM May 22, 2022Observed: 13.89 ft at 4:00AM May 22, 2022Observed: 13.89 ft at 4:15AM May 22, 2022Observed: 13.89 ft at 4:30AM May 22, 2022Observed: 13.88 ft at 4:45AM May 22, 2022Observed: 13.89 ft at 5:00AM May 22, 2022Observed: 13.89 ft at 5:15AM May 22, 2022Observed: 13.89 ft at 5:30AM May 22, 2022Observed: 13.88 ft at 5:45AM May 22, 2022Observed: 13.88 ft at 6:00AM May 22, 2022Observed: 13.88 ft at 6:15AM May 22, 2022Observed: 13.88 ft at 6:30AM May 22, 2022Observed: 13.88 ft at 6:45AM May 22, 2022Observed: 13.88 ft at 7:00AM May 22, 2022Observed: 13.88 ft at 7:15AM May 22, 2022Observed: 13.88 ft at 7:30AM May 22, 2022Observed: 13.88 ft at 7:45AM May 22, 2022Observed: 13.88 ft at 8:00AM May 22, 2022Observed: 13.88 ft at 8:15AM May 22, 2022Observed: 13.87 ft at 8:30AM May 22, 2022Observed: 13.87 ft at 8:45AM May 22, 2022Observed: 13.88 ft at 9:00AM May 22, 2022Observed: 13.87 ft at 9:15AM May 22, 2022Observed: 13.88 ft at 9:30AM May 22, 2022Observed: 13.87 ft at 9:45AM May 22, 2022Observed: 13.87 ft at 10:00AM May 22, 2022Observed: 13.87 ft at 10:15AM May 22, 2022Observed: 13.87 ft at 10:30AM May 22, 2022Observed: 13.87 ft at 10:45AM May 22, 2022Observed: 13.87 ft at 11:00AM May 22, 2022Observed: 13.87 ft at 11:15AM May 22, 2022Observed: 13.87 ft at 11:30AM May 22, 2022Observed: 13.87 ft at 11:45AM May 22, 2022Observed: 13.86 ft at 12:00PM May 22, 2022Observed: 13.87 ft at 12:15PM May 22, 2022Observed: 13.86 ft at 12:30PM May 22, 2022Observed: 13.86 ft at 12:45PM May 22, 2022Observed: 13.86 ft at 1:00PM May 22, 2022Observed: 13.86 ft at 1:15PM May 22, 2022Observed: 13.86 ft at 1:30PM May 22, 2022Observed: 13.86 ft at 1:45PM May 22, 2022Observed: 13.86 ft at 2:00PM May 22, 2022Observed: 13.86 ft at 2:15PM May 22, 2022Observed: 13.86 ft at 2:30PM May 22, 2022Observed: 13.85 ft at 2:45PM May 22, 2022Observed: 13.85 ft at 3:00PM May 22, 2022Observed: 13.85 ft at 3:15PM May 22, 2022Observed: 13.85 ft at 3:30PM May 22, 2022Observed: 13.85 ft at 3:45PM May 22, 2022Observed: 13.85 ft at 4:00PM May 22, 2022Observed: 13.85 ft at 4:15PM May 22, 2022Observed: 13.85 ft at 4:30PM May 22, 2022Observed: 13.85 ft at 4:45PM May 22, 2022Observed: 13.85 ft at 5:00PM May 22, 2022Observed: 13.85 ft at 5:15PM May 22, 2022Observed: 13.85 ft at 5:30PM May 22, 2022Observed: 13.85 ft at 5:45PM May 22, 2022Observed: 13.85 ft at 6:00PM May 22, 2022Observed: 13.84 ft at 6:15PM May 22, 2022Observed: 13.84 ft at 6:30PM May 22, 2022Observed: 13.85 ft at 6:45PM May 22, 2022Observed: 13.85 ft at 7:00PM May 22, 2022Observed: 13.85 ft at 7:15PM May 22, 2022Observed: 13.85 ft at 7:30PM May 22, 2022Observed: 13.85 ft at 7:45PM May 22, 2022Observed: 13.85 ft at 8:00PM May 22, 2022Observed: 13.85 ft at 8:15PM May 22, 2022Observed: 13.85 ft at 8:30PM May 22, 2022Observed: 13.84 ft at 8:45PM May 22, 2022Observed: 13.85 ft at 9:00PM May 22, 2022Observed: 13.85 ft at 9:15PM May 22, 2022Observed: 13.85 ft at 9:30PM May 22, 2022Observed: 13.85 ft at 9:45PM May 22, 2022Observed: 13.85 ft at 10:00PM May 22, 2022Observed: 13.85 ft at 10:15PM May 22, 2022Observed: 13.85 ft at 10:30PM May 22, 2022Observed: 13.85 ft at 10:45PM May 22, 2022Observed: 13.85 ft at 11:00PM May 22, 2022Observed: 13.84 ft at 11:15PM May 22, 2022Observed: 13.85 ft at 11:30PM May 22, 2022Observed: 13.85 ft at 11:45PM May 22, 2022Observed: 13.86 ft at 12:00AM May 23, 2022Observed: 13.86 ft at 12:15AM May 23, 2022Observed: 13.85 ft at 12:30AM May 23, 2022Observed: 13.86 ft at 12:45AM May 23, 2022Observed: 13.85 ft at 1:00AM May 23, 2022Observed: 13.86 ft at 1:15AM May 23, 2022Observed: 13.85 ft at 1:30AM May 23, 2022Observed: 13.85 ft at 1:45AM May 23, 2022Observed: 13.84 ft at 2:00AM May 23, 2022Observed: 13.84 ft at 2:15AM May 23, 2022Observed: 13.85 ft at 2:30AM May 23, 2022Observed: 13.85 ft at 2:45AM May 23, 2022Observed: 13.84 ft at 3:00AM May 23, 2022Observed: 13.84 ft at 3:15AM May 23, 2022Observed: 13.85 ft at 3:30AM May 23, 2022Observed: 13.85 ft at 3:45AM May 23, 2022Observed: 13.84 ft at 4:00AM May 23, 2022Observed: 13.85 ft at 4:15AM May 23, 2022Observed: 13.84 ft at 4:30AM May 23, 2022Observed: 13.84 ft at 4:45AM May 23, 2022Observed: 13.84 ft at 5:00AM May 23, 2022Observed: 13.84 ft at 5:15AM May 23, 2022Observed: 13.84 ft at 5:30AM May 23, 2022Observed: 13.84 ft at 5:45AM May 23, 2022Observed: 13.84 ft at 6:00AM May 23, 2022Observed: 13.84 ft at 6:15AM May 23, 2022Observed: 13.84 ft at 6:30AM May 23, 2022Observed: 13.85 ft at 6:45AM May 23, 2022Observed: 13.84 ft at 7:00AM May 23, 2022Observed: 13.85 ft at 7:15AM May 23, 2022Observed: 13.86 ft at 7:30AM May 23, 2022Observed: 13.84 ft at 7:45AM May 23, 2022Observed: 13.84 ft at 8:00AM May 23, 2022Observed: 13.85 ft at 8:15AM May 23, 2022Observed: 13.84 ft at 8:30AM May 23, 2022Observed: 13.84 ft at 8:45AM May 23, 2022Observed: 13.84 ft at 9:00AM May 23, 2022Observed: 13.84 ft at 9:15AM May 23, 2022Forecast: 13.82 ft 11:00AM May 23, 2022Forecast: 13.81 ft 5:00PM May 23, 2022Forecast: 13.81 ft 11:00PM May 23, 2022Forecast: 13.8 ft 5:00AM May 24, 2022Forecast: 13.79 ft 11:00AM May 24, 2022Forecast: 13.77 ft 5:00PM May 24, 2022Forecast: 13.75 ft 11:00PM May 24, 2022Forecast: 13.74 ft 5:00AM May 25, 2022Forecast: 13.72 ft 11:00AM May 25, 2022Forecast: 13.71 ft 5:00PM May 25, 2022Forecast: 13.7 ft 11:00PM May 25, 2022Forecast: 13.7 ft 5:00AM May 26, 2022Forecast: 13.69 ft 11:00AM May 26, 2022Forecast: 13.68 ft 5:00PM May 26, 2022Forecast: 13.69 ft 11:00PM May 26, 2022Forecast: 13.75 ft 5:00AM May 27, 2022Forecast: 13.85 ft 11:00AM May 27, 2022Forecast: 13.97 ft 5:00PM May 27, 2022Forecast: 14.05 ft 11:00PM May 27, 2022Forecast: 14.09 ft 5:00AM May 28, 2022Highest Forecast: 14.1 ft 11:00AM May 28, 2022Forecast: 14.08 ft 5:00PM May 28, 2022Forecast: 14.05 ft 11:00PM May 28, 2022Forecast: 14 ft 5:00AM May 29, 2022Forecast: 13.94 ft 11:00AM May 29, 2022Forecast: 13.9 ft 5:00PM May 29, 2022Forecast: 13.86 ft 11:00PM May 29, 2022Forecast: 13.83 ft 5:00AM May 30, 2022USGS--Water Resources of the United StatesMLKW1(plotting HGIRG) Graph Created (9:32AM May 23, 2022)ObservedForecast (issued 8:02AM May 23)Latest observed value: 13.84 ft at 9:15 AM PDT 23-May-2022.
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Mill Creek (WA) near Walla Walla are issued routinely year-round.
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Downstream Gauge Downstream Gauge - at Five Mile Bridge
Flood Categories (in feet)
Not Available

Historic Crests
(1) 20.77 ft on 02/07/2020
(2) 20.43 ft on 02/09/1996
(3) 19.26 ft on 12/23/1964

(P): Preliminary values subject to further review.

Recent Crests
(1) 20.77 ft on 02/07/2020
(2) 20.43 ft on 02/09/1996
(3) 19.26 ft on 12/23/1964

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
About This Location Collapse

Latitude: 46.007916° N, Longitude: 118.118560° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 2000 Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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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
Pendleton Weather Forecast Office
2001 NW 56th Drive
Pendleton, OR 97801
(541) 276-7832
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