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  NOTICE:There is a service interruption for a number of stream gauges nationwide due to the Global Positioning System (GPS) Rollover that occurred on April 6 at 23:59 GMT. The National Weather Service is working with federal, state, and local partners to ensure those affected gauges obtain the necessary updates to resume data transmission. We apologize for the service interruption and hope to have the data restored as soon as possible.

Hydrograph River at a Glance Download
Big Wood River at Hailey Stage (ft)Flow (cfs)Observed: 2.76 ft at 2:45PM Apr 17, 2019Observed: 2.76 ft at 3:00PM Apr 17, 2019Observed: 2.76 ft at 3:15PM Apr 17, 2019Observed: 2.76 ft at 3:30PM Apr 17, 2019Observed: 2.75 ft at 3:45PM Apr 17, 2019Observed: 2.76 ft at 4:00PM Apr 17, 2019Observed: 2.74 ft at 4:15PM Apr 17, 2019Observed: 2.75 ft at 4:30PM Apr 17, 2019Observed: 2.76 ft at 4:45PM Apr 17, 2019Observed: 2.76 ft at 5:00PM Apr 17, 2019Observed: 2.76 ft at 5:15PM Apr 17, 2019Observed: 2.75 ft at 5:30PM Apr 17, 2019Observed: 2.75 ft at 5:45PM Apr 17, 2019Observed: 2.76 ft at 6:00PM Apr 17, 2019Observed: 2.74 ft at 6:15PM Apr 17, 2019Observed: 2.75 ft at 6:30PM Apr 17, 2019Observed: 2.76 ft at 6:45PM Apr 17, 2019Observed: 2.75 ft at 7:00PM Apr 17, 2019Observed: 2.75 ft at 7:15PM Apr 17, 2019Observed: 2.76 ft at 7:30PM Apr 17, 2019Observed: 2.77 ft at 7:45PM Apr 17, 2019Observed: 2.77 ft at 8:00PM Apr 17, 2019Observed: 2.77 ft at 8:15PM Apr 17, 2019Observed: 2.75 ft at 8:30PM Apr 17, 2019Observed: 2.76 ft at 8:45PM Apr 17, 2019Observed: 2.75 ft at 9:00PM Apr 17, 2019Observed: 2.74 ft at 9:15PM Apr 17, 2019Observed: 2.74 ft at 9:30PM Apr 17, 2019Observed: 2.74 ft at 9:45PM Apr 17, 2019Observed: 2.74 ft at 10:00PM Apr 17, 2019Observed: 2.76 ft at 10:15PM Apr 17, 2019Observed: 2.79 ft at 10:30PM Apr 17, 2019Observed: 2.82 ft at 10:45PM Apr 17, 2019Observed: 2.88 ft at 11:00PM Apr 17, 2019Observed: 2.87 ft at 11:15PM Apr 17, 2019Observed: 2.88 ft at 11:30PM Apr 17, 2019Observed: 2.89 ft at 11:45PM Apr 17, 2019Observed: 2.89 ft at 12:00AM Apr 18, 2019Observed: 2.89 ft at 12:15AM Apr 18, 2019Observed: 2.87 ft at 12:30AM Apr 18, 2019Observed: 2.89 ft at 12:45AM Apr 18, 2019Observed: 2.88 ft at 1:00AM Apr 18, 2019Observed: 2.9 ft at 1:15AM Apr 18, 2019Observed: 2.89 ft at 1:30AM Apr 18, 2019Observed: 2.9 ft at 1:45AM Apr 18, 2019Observed: 2.91 ft at 2:00AM Apr 18, 2019Observed: 2.91 ft at 2:15AM Apr 18, 2019Observed: 2.91 ft at 2:30AM Apr 18, 2019Observed: 2.92 ft at 2:45AM Apr 18, 2019Observed: 2.91 ft at 3:00AM Apr 18, 2019Observed: 2.93 ft at 3:15AM Apr 18, 2019Observed: 2.92 ft at 3:30AM Apr 18, 2019Observed: 2.94 ft at 3:45AM Apr 18, 2019Observed: 2.94 ft at 4:00AM Apr 18, 2019Observed: 2.95 ft at 4:15AM Apr 18, 2019Observed: 2.96 ft at 4:30AM Apr 18, 2019Observed: 2.94 ft at 4:45AM Apr 18, 2019Observed: 2.96 ft at 5:00AM Apr 18, 2019Observed: 2.96 ft at 5:15AM Apr 18, 2019Observed: 2.95 ft at 5:30AM Apr 18, 2019Observed: 2.97 ft at 5:45AM Apr 18, 2019Observed: 2.97 ft at 6:00AM Apr 18, 2019Observed: 2.97 ft at 6:15AM Apr 18, 2019Observed: 2.98 ft at 6:30AM Apr 18, 2019Observed: 2.96 ft at 6:45AM Apr 18, 2019Observed: 2.96 ft at 7:00AM Apr 18, 2019Observed: 2.97 ft at 7:15AM Apr 18, 2019Observed: 2.98 ft at 7:30AM Apr 18, 2019Observed: 2.98 ft at 7:45AM Apr 18, 2019Observed: 2.97 ft at 8:00AM Apr 18, 2019Observed: 2.97 ft at 8:15AM Apr 18, 2019Observed: 2.97 ft at 8:30AM Apr 18, 2019Observed: 2.98 ft at 8:45AM Apr 18, 2019Observed: 2.98 ft at 9:00AM Apr 18, 2019Observed: 2.97 ft at 9:15AM Apr 18, 2019Observed: 2.98 ft at 9:30AM Apr 18, 2019Observed: 2.98 ft at 9:45AM Apr 18, 2019Observed: 2.98 ft at 10:00AM Apr 18, 2019Observed: 2.97 ft at 10:15AM Apr 18, 2019Observed: 2.96 ft at 10:30AM Apr 18, 2019Observed: 2.98 ft at 10:45AM Apr 18, 2019Observed: 2.97 ft at 11:00AM Apr 18, 2019Observed: 2.96 ft at 11:15AM Apr 18, 2019Observed: 2.98 ft at 11:30AM Apr 18, 2019Observed: 2.97 ft at 11:45AM Apr 18, 2019Observed: 2.96 ft at 12:00PM Apr 18, 2019Observed: 2.97 ft at 12:15PM Apr 18, 2019Observed: 2.96 ft at 12:30PM Apr 18, 2019Observed: 2.96 ft at 12:45PM Apr 18, 2019Observed: 2.93 ft at 1:00PM Apr 18, 2019Observed: 2.94 ft at 1:15PM Apr 18, 2019Observed: 2.96 ft at 1:30PM Apr 18, 2019Observed: 2.95 ft at 1:45PM Apr 18, 2019Observed: 2.95 ft at 2:00PM Apr 18, 2019Observed: 2.94 ft at 2:15PM Apr 18, 2019Observed: 2.94 ft at 2:30PM Apr 18, 2019Observed: 2.95 ft at 2:45PM Apr 18, 2019Observed: 2.95 ft at 3:00PM Apr 18, 2019Observed: 2.95 ft at 3:15PM Apr 18, 2019Observed: 2.94 ft at 3:30PM Apr 18, 2019Observed: 2.93 ft at 3:45PM Apr 18, 2019Observed: 2.94 ft at 4:00PM Apr 18, 2019Observed: 2.94 ft at 4:15PM Apr 18, 2019Observed: 2.92 ft at 4:30PM Apr 18, 2019Observed: 2.94 ft at 4:45PM Apr 18, 2019Observed: 2.93 ft at 5:00PM Apr 18, 2019Observed: 2.92 ft at 5:15PM Apr 18, 2019Observed: 2.95 ft at 5:30PM Apr 18, 2019Observed: 2.93 ft at 5:45PM Apr 18, 2019Observed: 2.94 ft at 6:00PM Apr 18, 2019Observed: 2.94 ft at 6:15PM Apr 18, 2019Observed: 2.96 ft at 6:30PM Apr 18, 2019Observed: 2.94 ft at 6:45PM Apr 18, 2019Observed: 2.94 ft at 7:00PM Apr 18, 2019Observed: 2.94 ft at 7:15PM Apr 18, 2019Observed: 2.96 ft at 7:30PM Apr 18, 2019Observed: 2.96 ft at 7:45PM Apr 18, 2019Observed: 2.97 ft at 8:00PM Apr 18, 2019Observed: 2.98 ft at 8:15PM Apr 18, 2019Observed: 2.97 ft at 8:30PM Apr 18, 2019Observed: 2.98 ft at 8:45PM Apr 18, 2019Observed: 3 ft at 9:00PM Apr 18, 2019Observed: 2.99 ft at 9:15PM Apr 18, 2019Observed: 3.01 ft at 9:30PM Apr 18, 2019Observed: 3.01 ft at 9:45PM Apr 18, 2019Observed: 3.02 ft at 10:00PM Apr 18, 2019Observed: 3.03 ft at 10:15PM Apr 18, 2019Observed: 3.03 ft at 10:30PM Apr 18, 2019Observed: 3.03 ft at 10:45PM Apr 18, 2019Observed: 3.05 ft at 11:00PM Apr 18, 2019Observed: 3.05 ft at 11:15PM Apr 18, 2019Observed: 3.06 ft at 11:30PM Apr 18, 2019Observed: 3.05 ft at 11:45PM Apr 18, 2019Observed: 3.08 ft at 12:00AM Apr 19, 2019Observed: 3.09 ft at 12:15AM Apr 19, 2019Observed: 3.11 ft at 12:30AM Apr 19, 2019Observed: 3.11 ft at 12:45AM Apr 19, 2019Observed: 3.14 ft at 1:00AM Apr 19, 2019Observed: 3.14 ft at 1:15AM Apr 19, 2019Observed: 3.14 ft at 1:30AM Apr 19, 2019Observed: 3.16 ft at 1:45AM Apr 19, 2019Observed: 3.17 ft at 2:00AM Apr 19, 2019Observed: 3.19 ft at 2:15AM Apr 19, 2019Observed: 3.19 ft at 2:30AM Apr 19, 2019Observed: 3.2 ft at 2:45AM Apr 19, 2019Observed: 3.21 ft at 3:00AM Apr 19, 2019Observed: 3.22 ft at 3:15AM Apr 19, 2019Observed: 3.24 ft at 3:30AM Apr 19, 2019Observed: 3.25 ft at 3:45AM Apr 19, 2019Observed: 3.27 ft at 4:00AM Apr 19, 2019Observed: 3.28 ft at 4:15AM Apr 19, 2019Observed: 3.26 ft at 4:30AM Apr 19, 2019Observed: 3.26 ft at 4:45AM Apr 19, 2019Observed: 3.27 ft at 5:00AM Apr 19, 2019Observed: 3.3 ft at 5:15AM Apr 19, 2019Observed: 3.3 ft at 5:30AM Apr 19, 2019Observed: 3.29 ft at 5:45AM Apr 19, 2019Observed: 3.29 ft at 6:00AM Apr 19, 2019Observed: 3.31 ft at 6:15AM Apr 19, 2019Observed: 3.31 ft at 6:30AM Apr 19, 2019Observed: 3.32 ft at 6:45AM Apr 19, 2019Observed: 3.32 ft at 7:00AM Apr 19, 2019Observed: 3.32 ft at 7:15AM Apr 19, 2019Observed: 3.33 ft at 7:30AM Apr 19, 2019Observed: 3.32 ft at 7:45AM Apr 19, 2019Observed: 3.32 ft at 8:00AM Apr 19, 2019Observed: 3.32 ft at 8:15AM Apr 19, 2019Observed: 3.32 ft at 8:30AM Apr 19, 2019Observed: 3.32 ft at 8:45AM Apr 19, 2019Observed: 3.3 ft at 9:00AM Apr 19, 2019Observed: 3.3 ft at 9:15AM Apr 19, 2019Observed: 3.3 ft at 9:30AM Apr 19, 2019Observed: 3.3 ft at 9:45AM Apr 19, 2019Observed: 3.32 ft at 10:00AM Apr 19, 2019Observed: 3.32 ft at 10:15AM Apr 19, 2019Observed: 3.32 ft at 10:30AM Apr 19, 2019Observed: 3.31 ft at 10:45AM Apr 19, 2019Observed: 3.29 ft at 11:00AM Apr 19, 2019Observed: 3.31 ft at 11:15AM Apr 19, 2019Observed: 3.3 ft at 11:30AM Apr 19, 2019Observed: 3.3 ft at 11:45AM Apr 19, 2019Observed: 3.3 ft at 12:00PM Apr 19, 2019Observed: 3.29 ft at 12:15PM Apr 19, 2019Observed: 3.29 ft at 12:30PM Apr 19, 2019Observed: 3.28 ft at 12:45PM Apr 19, 2019Observed: 3.29 ft at 1:00PM Apr 19, 2019Observed: 3.28 ft at 1:15PM Apr 19, 2019Observed: 3.28 ft at 1:30PM Apr 19, 2019Observed: 3.27 ft at 1:45PM Apr 19, 2019Observed: 3.26 ft at 2:00PM Apr 19, 2019Observed: 3.26 ft at 2:15PM Apr 19, 2019Observed: 3.25 ft at 2:30PM Apr 19, 2019Observed: 3.25 ft at 2:45PM Apr 19, 2019Observed: 3.26 ft at 3:00PM Apr 19, 2019Observed: 3.25 ft at 3:15PM Apr 19, 2019Observed: 3.25 ft at 3:30PM Apr 19, 2019Observed: 3.24 ft at 3:45PM Apr 19, 2019Observed: 3.24 ft at 4:00PM Apr 19, 2019Observed: 3.24 ft at 4:15PM Apr 19, 2019Observed: 3.25 ft at 4:30PM Apr 19, 2019Observed: 3.26 ft at 4:45PM Apr 19, 2019Observed: 3.25 ft at 5:00PM Apr 19, 2019Observed: 3.25 ft at 5:15PM Apr 19, 2019Observed: 3.25 ft at 5:30PM Apr 19, 2019Observed: 3.28 ft at 5:45PM Apr 19, 2019Observed: 3.26 ft at 6:00PM Apr 19, 2019Observed: 3.27 ft at 6:15PM Apr 19, 2019Observed: 3.27 ft at 6:30PM Apr 19, 2019Observed: 3.26 ft at 6:45PM Apr 19, 2019Observed: 3.28 ft at 7:00PM Apr 19, 2019Observed: 3.26 ft at 7:15PM Apr 19, 2019Observed: 3.28 ft at 7:30PM Apr 19, 2019Observed: 3.26 ft at 7:45PM Apr 19, 2019Observed: 3.29 ft at 8:00PM Apr 19, 2019Observed: 3.29 ft at 8:15PM Apr 19, 2019Observed: 3.3 ft at 8:30PM Apr 19, 2019Observed: 3.32 ft at 8:45PM Apr 19, 2019Observed: 3.33 ft at 9:00PM Apr 19, 2019Observed: 3.35 ft at 9:15PM Apr 19, 2019Observed: 3.36 ft at 9:30PM Apr 19, 2019Observed: 3.37 ft at 9:45PM Apr 19, 2019Observed: 3.38 ft at 10:00PM Apr 19, 2019Observed: 3.38 ft at 10:15PM Apr 19, 2019Observed: 3.4 ft at 10:30PM Apr 19, 2019Observed: 3.41 ft at 10:45PM Apr 19, 2019Observed: 3.42 ft at 11:00PM Apr 19, 2019Observed: 3.45 ft at 11:15PM Apr 19, 2019Observed: 3.45 ft at 11:30PM Apr 19, 2019Observed: 3.48 ft at 11:45PM Apr 19, 2019Observed: 3.51 ft at 12:00AM Apr 20, 2019Observed: 3.54 ft at 12:15AM Apr 20, 2019Observed: 3.54 ft at 12:30AM Apr 20, 2019Observed: 3.57 ft at 12:45AM Apr 20, 2019Observed: 3.62 ft at 1:00AM Apr 20, 2019Observed: 3.6 ft at 1:15AM Apr 20, 2019Observed: 3.63 ft at 1:30AM Apr 20, 2019Observed: 3.67 ft at 1:45AM Apr 20, 2019Observed: 3.67 ft at 2:00AM Apr 20, 2019Observed: 3.68 ft at 2:15AM Apr 20, 2019Observed: 3.7 ft at 2:30AM Apr 20, 2019Observed: 3.73 ft at 2:45AM Apr 20, 2019Observed: 3.73 ft at 3:00AM Apr 20, 2019Observed: 3.75 ft at 3:15AM Apr 20, 2019Observed: 3.78 ft at 3:30AM Apr 20, 2019Observed: 3.76 ft at 3:45AM Apr 20, 2019Observed: 3.78 ft at 4:00AM Apr 20, 2019Observed: 3.8 ft at 4:15AM Apr 20, 2019Observed: 3.8 ft at 4:30AM Apr 20, 2019Observed: 3.81 ft at 4:45AM Apr 20, 2019Observed: 3.82 ft at 5:00AM Apr 20, 2019Observed: 3.82 ft at 5:15AM Apr 20, 2019Observed: 3.8 ft at 5:30AM Apr 20, 2019Observed: 3.84 ft at 5:45AM Apr 20, 2019Observed: 3.84 ft at 6:00AM Apr 20, 2019Observed: 3.84 ft at 6:15AM Apr 20, 2019Observed: 3.82 ft at 6:30AM Apr 20, 2019Observed: 3.84 ft at 6:45AM Apr 20, 2019Observed: 3.83 ft at 7:00AM Apr 20, 2019Observed: 3.84 ft at 7:15AM Apr 20, 2019Observed: 3.82 ft at 7:30AM Apr 20, 2019Observed: 3.84 ft at 7:45AM Apr 20, 2019Observed: 3.84 ft at 8:00AM Apr 20, 2019Observed: 3.83 ft at 8:15AM Apr 20, 2019Observed: 3.83 ft at 8:30AM Apr 20, 2019Observed: 3.84 ft at 8:45AM Apr 20, 2019Observed: 3.83 ft at 9:00AM Apr 20, 2019Observed: 3.82 ft at 9:15AM Apr 20, 2019Observed: 3.81 ft at 9:30AM Apr 20, 2019Observed: 3.81 ft at 9:45AM Apr 20, 2019Observed: 3.81 ft at 10:00AM Apr 20, 2019Observed: 3.82 ft at 10:15AM Apr 20, 2019Observed: 3.8 ft at 10:30AM Apr 20, 2019Observed: 3.78 ft at 10:45AM Apr 20, 2019Observed: 3.8 ft at 11:00AM Apr 20, 2019Observed: 3.78 ft at 11:15AM Apr 20, 2019Observed: 3.78 ft at 11:30AM Apr 20, 2019Observed: 3.77 ft at 11:45AM Apr 20, 2019Observed: 3.77 ft at 12:00PM Apr 20, 2019Observed: 3.76 ft at 12:15PM Apr 20, 2019Observed: 3.77 ft at 12:30PM Apr 20, 2019Observed: 3.76 ft at 12:45PM Apr 20, 2019Observed: 3.76 ft at 1:00PM Apr 20, 2019Observed: 3.75 ft at 1:15PM Apr 20, 2019Observed: 3.73 ft at 1:30PM Apr 20, 2019Observed: 3.72 ft at 1:45PM Apr 20, 2019Observed: 3.72 ft at 2:00PM Apr 20, 2019Observed: 3.72 ft at 2:15PM Apr 20, 2019Observed: 3.7 ft at 2:30PM Apr 20, 2019Observed: 3.72 ft at 2:45PM Apr 20, 2019Observed: 3.71 ft at 3:00PM Apr 20, 2019Observed: 3.7 ft at 3:15PM Apr 20, 2019Observed: 3.71 ft at 3:30PM Apr 20, 2019Observed: 3.71 ft at 3:45PM Apr 20, 2019Observed: 3.7 ft at 4:00PM Apr 20, 2019Observed: 3.69 ft at 4:15PM Apr 20, 2019Observed: 3.7 ft at 4:30PM Apr 20, 2019Observed: 3.69 ft at 4:45PM Apr 20, 2019Observed: 3.69 ft at 5:00PM Apr 20, 2019Observed: 3.7 ft at 5:15PM Apr 20, 2019Observed: 3.69 ft at 5:30PM Apr 20, 2019Observed: 3.7 ft at 5:45PM Apr 20, 2019Observed: 3.69 ft at 6:00PM Apr 20, 2019Observed: 3.7 ft at 6:15PM Apr 20, 2019Observed: 3.71 ft at 6:30PM Apr 20, 2019Observed: 3.7 ft at 6:45PM Apr 20, 2019Observed: 3.71 ft at 7:00PM Apr 20, 2019Observed: 3.74 ft at 7:15PM Apr 20, 2019Observed: 3.72 ft at 7:30PM Apr 20, 2019Observed: 3.72 ft at 7:45PM Apr 20, 2019Observed: 3.75 ft at 8:00PM Apr 20, 2019Observed: 3.74 ft at 8:15PM Apr 20, 2019Observed: 3.75 ft at 8:30PM Apr 20, 2019Observed: 3.77 ft at 8:45PM Apr 20, 2019Observed: 3.79 ft at 9:00PM Apr 20, 2019Observed: 3.81 ft at 9:15PM Apr 20, 2019Observed: 3.81 ft at 9:30PM Apr 20, 2019Observed: 3.83 ft at 9:45PM Apr 20, 2019Observed: 3.84 ft at 10:00PM Apr 20, 2019Observed: 3.85 ft at 10:15PM Apr 20, 2019Observed: 3.85 ft at 10:30PM Apr 20, 2019Observed: 3.88 ft at 10:45PM Apr 20, 2019Observed: 3.89 ft at 11:00PM Apr 20, 2019Observed: 3.9 ft at 11:15PM Apr 20, 2019Observed: 3.92 ft at 11:30PM Apr 20, 2019Observed: 3.92 ft at 11:45PM Apr 20, 2019Observed: 3.96 ft at 12:00AM Apr 21, 2019Observed: 3.96 ft at 12:15AM Apr 21, 2019Observed: 3.98 ft at 12:30AM Apr 21, 2019Observed: 3.98 ft at 12:45AM Apr 21, 2019Observed: 4 ft at 1:00AM Apr 21, 2019Observed: 4.01 ft at 1:15AM Apr 21, 2019Observed: 4.02 ft at 1:30AM Apr 21, 2019Observed: 4.03 ft at 1:45AM Apr 21, 2019Observed: 4.04 ft at 2:00AM Apr 21, 2019Observed: 4.06 ft at 2:15AM Apr 21, 2019Observed: 4.07 ft at 2:30AM Apr 21, 2019Observed: 4.08 ft at 2:45AM Apr 21, 2019Observed: 4.1 ft at 3:00AM Apr 21, 2019Observed: 4.09 ft at 3:15AM Apr 21, 2019Observed: 4.1 ft at 3:30AM Apr 21, 2019Observed: 4.12 ft at 3:45AM Apr 21, 2019Observed: 4.14 ft at 4:00AM Apr 21, 2019Observed: 4.15 ft at 4:15AM Apr 21, 2019Observed: 4.14 ft at 4:30AM Apr 21, 2019Observed: 4.14 ft at 4:45AM Apr 21, 2019Observed: 4.13 ft at 5:00AM Apr 21, 2019Observed: 4.16 ft at 5:15AM Apr 21, 2019Observed: 4.18 ft at 5:30AM Apr 21, 2019Observed: 4.18 ft at 5:45AM Apr 21, 2019Highest Observation: 4.19 ft at 6:00AM Apr 21, 2019Observed: 4.17 ft at 6:15AM Apr 21, 2019Observed: 4.18 ft at 6:30AM Apr 21, 2019Highest Observation: 4.19 ft at 6:45AM Apr 21, 2019Observed: 4.18 ft at 7:00AM Apr 21, 2019Observed: 4.18 ft at 7:15AM Apr 21, 2019Observed: 4.18 ft at 7:30AM Apr 21, 2019Highest Observation: 4.19 ft at 7:45AM Apr 21, 2019Observed: 4.18 ft at 8:00AM Apr 21, 2019Observed: 4.18 ft at 8:15AM Apr 21, 2019Observed: 4.16 ft at 8:30AM Apr 21, 2019Observed: 4.18 ft at 8:45AM Apr 21, 2019Observed: 4.18 ft at 9:00AM Apr 21, 2019Observed: 4.17 ft at 9:15AM Apr 21, 2019Observed: 4.16 ft at 9:30AM Apr 21, 2019Observed: 4.17 ft at 9:45AM Apr 21, 2019Observed: 4.16 ft at 10:00AM Apr 21, 2019Observed: 4.15 ft at 10:15AM Apr 21, 2019Observed: 4.15 ft at 10:30AM Apr 21, 2019Observed: 4.16 ft at 10:45AM Apr 21, 2019Observed: 4.15 ft at 11:00AM Apr 21, 2019Observed: 4.15 ft at 11:15AM Apr 21, 2019Observed: 4.15 ft at 11:30AM Apr 21, 2019Observed: 4.12 ft at 11:45AM Apr 21, 2019Observed: 4.12 ft at 12:00PM Apr 21, 2019Observed: 4.12 ft at 12:15PM Apr 21, 2019Observed: 4.11 ft at 12:30PM Apr 21, 2019Observed: 4.11 ft at 12:45PM Apr 21, 2019Observed: 4.11 ft at 1:00PM Apr 21, 2019Observed: 4.11 ft at 1:15PM Apr 21, 2019Observed: 4.09 ft at 1:30PM Apr 21, 2019Observed: 4.09 ft at 1:45PM Apr 21, 2019Observed: 4.09 ft at 2:00PM Apr 21, 2019Observed: 4.06 ft at 2:15PM Apr 21, 2019Observed: 4.07 ft at 2:30PM Apr 21, 2019Observed: 4.05 ft at 2:45PM Apr 21, 2019Observed: 4.05 ft at 3:00PM Apr 21, 2019Observed: 4.06 ft at 3:15PM Apr 21, 2019Observed: 4.04 ft at 3:30PM Apr 21, 2019Observed: 4.05 ft at 3:45PM Apr 21, 2019Observed: 4.04 ft at 4:00PM Apr 21, 2019Observed: 4.02 ft at 4:15PM Apr 21, 2019Observed: 4.02 ft at 4:30PM Apr 21, 2019Observed: 4.03 ft at 4:45PM Apr 21, 2019Observed: 4.03 ft at 5:00PM Apr 21, 2019Observed: 4.03 ft at 5:15PM Apr 21, 2019Observed: 4.02 ft at 5:30PM Apr 21, 2019Observed: 4 ft at 5:45PM Apr 21, 2019Observed: 4 ft at 6:00PM Apr 21, 2019Observed: 4 ft at 6:15PM Apr 21, 2019Observed: 4 ft at 6:30PM Apr 21, 2019Observed: 3.99 ft at 6:45PM Apr 21, 2019Observed: 4 ft at 7:00PM Apr 21, 2019Observed: 4 ft at 7:15PM Apr 21, 2019Observed: 4.02 ft at 7:30PM Apr 21, 2019Observed: 4 ft at 7:45PM Apr 21, 2019Observed: 4 ft at 8:00PM Apr 21, 2019Observed: 4 ft at 8:15PM Apr 21, 2019Observed: 3.99 ft at 8:30PM Apr 21, 2019Observed: 4.01 ft at 8:45PM Apr 21, 2019Observed: 4.01 ft at 9:00PM Apr 21, 2019Observed: 4 ft at 9:15PM Apr 21, 2019Observed: 4 ft at 9:30PM Apr 21, 2019Observed: 4.01 ft at 9:45PM Apr 21, 2019Observed: 4.02 ft at 10:00PM Apr 21, 2019Observed: 4.02 ft at 10:15PM Apr 21, 2019Observed: 4 ft at 10:30PM Apr 21, 2019Observed: 4.02 ft at 10:45PM Apr 21, 2019Observed: 4.01 ft at 11:00PM Apr 21, 2019Observed: 4.03 ft at 11:15PM Apr 21, 2019Observed: 4.02 ft at 11:30PM Apr 21, 2019Observed: 4.03 ft at 11:45PM Apr 21, 2019Observed: 4.03 ft at 12:00AM Apr 22, 2019Observed: 4.03 ft at 12:15AM Apr 22, 2019Observed: 4.05 ft at 12:30AM Apr 22, 2019Observed: 4.03 ft at 12:45AM Apr 22, 2019Observed: 4.06 ft at 1:00AM Apr 22, 2019Observed: 4.05 ft at 1:15AM Apr 22, 2019Observed: 4.05 ft at 1:30AM Apr 22, 2019Observed: 4.06 ft at 1:45AM Apr 22, 2019Observed: 4.06 ft at 2:00AM Apr 22, 2019Observed: 4.06 ft at 2:15AM Apr 22, 2019Observed: 4.06 ft at 2:30AM Apr 22, 2019Observed: 4.05 ft at 2:45AM Apr 22, 2019Observed: 4.06 ft at 3:00AM Apr 22, 2019Observed: 4.06 ft at 3:15AM Apr 22, 2019Observed: 4.07 ft at 3:30AM Apr 22, 2019Observed: 4.06 ft at 3:45AM Apr 22, 2019Observed: 4.06 ft at 4:00AM Apr 22, 2019Observed: 4.06 ft at 4:15AM Apr 22, 2019Observed: 4.06 ft at 4:30AM Apr 22, 2019Observed: 4.04 ft at 4:45AM Apr 22, 2019Observed: 4.06 ft at 5:00AM Apr 22, 2019Observed: 4.04 ft at 5:15AM Apr 22, 2019Observed: 4.05 ft at 5:30AM Apr 22, 2019Observed: 4.05 ft at 5:45AM Apr 22, 2019Observed: 4.06 ft at 6:00AM Apr 22, 2019Observed: 4.05 ft at 6:15AM Apr 22, 2019Observed: 4.04 ft at 6:30AM Apr 22, 2019Observed: 4.04 ft at 6:45AM Apr 22, 2019Observed: 4.03 ft at 7:00AM Apr 22, 2019Observed: 4.03 ft at 7:15AM Apr 22, 2019Observed: 4.03 ft at 7:30AM Apr 22, 2019Observed: 4.02 ft at 7:45AM Apr 22, 2019Observed: 4.01 ft at 8:00AM Apr 22, 2019Observed: 4.01 ft at 8:15AM Apr 22, 2019Observed: 4.01 ft at 8:30AM Apr 22, 2019Observed: 4.01 ft at 8:45AM Apr 22, 2019Observed: 4 ft at 9:00AM Apr 22, 2019Observed: 3.99 ft at 9:15AM Apr 22, 2019Observed: 3.99 ft at 9:30AM Apr 22, 2019Observed: 3.98 ft at 9:45AM Apr 22, 2019Observed: 3.99 ft at 10:00AM Apr 22, 2019Observed: 3.97 ft at 10:15AM Apr 22, 2019Observed: 3.98 ft at 10:30AM Apr 22, 2019Observed: 3.97 ft at 10:45AM Apr 22, 2019Observed: 3.97 ft at 11:00AM Apr 22, 2019Observed: 3.96 ft at 11:15AM Apr 22, 2019Observed: 3.96 ft at 11:30AM Apr 22, 2019Observed: 3.98 ft at 11:45AM Apr 22, 2019Observed: 3.96 ft at 12:00PM Apr 22, 2019Observed: 3.97 ft at 12:15PM Apr 22, 2019Observed: 3.96 ft at 12:30PM Apr 22, 2019Observed: 3.95 ft at 12:45PM Apr 22, 2019Observed: 3.95 ft at 1:00PM Apr 22, 2019Forecast: 3.89 ft 6:00PM Apr 22, 2019Forecast: 3.96 ft 12:00AM Apr 23, 2019Forecast: 4.01 ft 6:00AM Apr 23, 2019Forecast: 3.99 ft 12:00PM Apr 23, 2019Forecast: 3.97 ft 6:00PM Apr 23, 2019Forecast: 4.17 ft 12:00AM Apr 24, 2019Forecast: 4.36 ft 6:00AM Apr 24, 2019Forecast: 4.36 ft 12:00PM Apr 24, 2019Forecast: 4.35 ft 6:00PM Apr 24, 2019Forecast: 4.37 ft 12:00AM Apr 25, 2019Forecast: 4.42 ft 6:00AM Apr 25, 2019Forecast: 4.48 ft 12:00PM Apr 25, 2019Forecast: 4.48 ft 6:00PM Apr 25, 2019Forecast: 4.46 ft 12:00AM Apr 26, 2019Forecast: 4.49 ft 6:00AM Apr 26, 2019Forecast: 4.56 ft 12:00PM Apr 26, 2019Forecast: 4.62 ft 6:00PM Apr 26, 2019Forecast: 4.66 ft 12:00AM Apr 27, 2019Forecast: 4.7 ft 6:00AM Apr 27, 2019Highest Forecast: 4.73 ft 12:00PM Apr 27, 2019USGS--Water Resources of the United StatesHALI1(plotting HGIRZ) Graph Created (2:33PM Apr 22, 2019)ObservedForecast (issued 12:36PM Apr 22)Latest observed value: 3.95 ft at 1:00 PM MDT 22-Apr-2019. Flood Stage is 5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
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Metadata
NOTE: Gauge reading may be affected by ice during freezing weather from November to April.

NOTE: Forecasts for the Big Wood River at Hailey are issued routinely year-round.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Stanton Crossing
Flood Categories (in feet)
Major Flood Stage: 8
Moderate Flood Stage: 6
Flood Stage: 5
Action Stage: 3.7
Low Stage (in feet): -9999

Historic Crests
(1) 8.36 ft on 05/07/2017
(2) 7.93 ft on 05/30/1983
(3) 7.92 ft on 05/21/2006
(4) 7.72 ft on 05/25/1967
(5) 7.20 ft on 06/16/1974
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.12 ft on 05/26/2018
(2) 8.36 ft on 05/07/2017
(3) 4.31 ft on 06/09/2016
(4) 3.49 ft on 06/09/2015
(5) 3.63 ft on 05/28/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -0.02 ft on 02/24/1969
(2) 0.23 ft on 01/21/1967
(3) 0.24 ft on 01/24/1965
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:15
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
8 or 5733 cfs... Numerous locations from the confluence of Warm Springs Creek downstream to Bellevue will have flooding problems. Many roads may be inaccessible and many houses and infrastructure will be impacted. Significant floodingin Cedar, War Eagle, and Della Vista Drives in the lower subdivisions in Hailey area will be inaccessible. Flooding in Riverview Drive area of Bellevue. Draper Preserve in Hailey is inaccessible. Water may be over some secondary roads in West Ketchum (Wood River Drive).
6 or 3161 cfs... Moderate flooding will occur along Cedar, War Eagle, and Della Vista Drives in the lower subdivisions in Hailey which may be inaccessible. FLooding in Riverview Drive area of Bellevue. Draper Preserve in Hailey is inaccessible. Water may be over some secondary roads in West Ketchum (Wood River Drive). Gimlet subdivision will have some residents with flooding issues.
5 or 2181 cfs... Street flooding will occur along Cedar, War Eagle, and Della Vista Drives in the lower subdivisions in Hailey and Riverview drive in Bellevue. Draper Preserve in Hailey is inaccessible. Water may be over some secondary roads in West Ketchum (Wood River Drive). Gimlet subdivision will have flooding issues.
3.7 or 1199 cfs... Near bankfull from Ketchum down-river to Glendale Road Bridge south of Bellevue. Some lowland seepage and ponding is possible in residential areas near the river especially in the Della View subdivision on far western War Eagle Drive. Gimlet subdivision may experience ponding.
Photos
(1) HALI1_googleearth
(2) HALI1_map
(3) HALI1_satellite_view
(4) HALI1_google_maps_streetviewofgage
(5) HALI1_bridge_gagehouse_looking_east
(6) HALI1_looking_upstream_winter
(7) HALI1_looking_downstream_winter
(8) HALI1_looking_upstream_summer
(9) HALI1_looking_downstream_summer
(10) HALI1_High_Flow_July_2006
About This Location Collapse

Latitude: 43.517158° N, Longitude: 114.321483° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 5295.42 ft 5301.42 ft  

Current/Historical Observations:

Additional Information Collapse
USGS Historical Peak Flows     (Scroll to Streamflow Statistics for more years)
USGS Historical Peak Flows Explanation
Graphical View of Historical Peak Flows and Gage Analysis 

25   Year Peak Flood 5530 CFS or 7.94 ft
50   Year Peak Flood 6370 CFS or 8.57 ft
100 Year Peak Flood 7210 CFS or 9.17 ft
200 Year Peak Flood 8050 CFS or 9.75 ft
500 Year Peak Flood 9190 CFS or 10.49 ft
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
Pocatello Weather Forecast Office
1945 Beechcraft Ave
Pocatello, ID 83204
(208) 232-9306
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Page last modified: 1-Mar-2019 12:33 AM
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