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  The 2019 National Hydrologic Assessment - Spring Flood Outlook has been released (3/21/19) - Visit website, story map, or download file

Hydrograph River at a Glance Download
Snake River near Heise Stage (ft)Flow (cfs)Observed: 2.49 ft at 11:30AM Mar 16, 2019Observed: 2.5 ft at 11:45AM Mar 16, 2019Observed: 2.5 ft at 12:00PM Mar 16, 2019Observed: 2.5 ft at 12:15PM Mar 16, 2019Observed: 2.49 ft at 12:30PM Mar 16, 2019Observed: 2.5 ft at 12:45PM Mar 16, 2019Observed: 2.5 ft at 1:00PM Mar 16, 2019Observed: 2.5 ft at 1:15PM Mar 16, 2019Observed: 2.5 ft at 1:30PM Mar 16, 2019Observed: 2.5 ft at 1:45PM Mar 16, 2019Observed: 2.5 ft at 2:00PM Mar 16, 2019Observed: 2.51 ft at 2:15PM Mar 16, 2019Observed: 2.5 ft at 2:30PM Mar 16, 2019Observed: 2.51 ft at 2:45PM Mar 16, 2019Observed: 2.51 ft at 3:00PM Mar 16, 2019Observed: 2.51 ft at 3:15PM Mar 16, 2019Observed: 2.51 ft at 3:30PM Mar 16, 2019Observed: 2.5 ft at 3:45PM Mar 16, 2019Observed: 2.51 ft at 4:00PM Mar 16, 2019Observed: 2.51 ft at 4:15PM Mar 16, 2019Observed: 2.5 ft at 4:30PM Mar 16, 2019Observed: 2.51 ft at 4:45PM Mar 16, 2019Observed: 2.52 ft at 5:00PM Mar 16, 2019Observed: 2.49 ft at 5:15PM Mar 16, 2019Observed: 2.51 ft at 5:30PM Mar 16, 2019Observed: 2.51 ft at 5:45PM Mar 16, 2019Observed: 2.5 ft at 6:00PM Mar 16, 2019Observed: 2.5 ft at 6:15PM Mar 16, 2019Observed: 2.5 ft at 6:30PM Mar 16, 2019Observed: 2.51 ft at 6:45PM Mar 16, 2019Observed: 2.51 ft at 7:00PM Mar 16, 2019Observed: 2.51 ft at 7:15PM Mar 16, 2019Observed: 2.52 ft at 7:30PM Mar 16, 2019Observed: 2.52 ft at 7:45PM Mar 16, 2019Observed: 2.5 ft at 8:00PM Mar 16, 2019Observed: 2.52 ft at 8:15PM Mar 16, 2019Observed: 2.51 ft at 8:30PM Mar 16, 2019Observed: 2.5 ft at 8:45PM Mar 16, 2019Observed: 2.51 ft at 9:00PM Mar 16, 2019Observed: 2.52 ft at 9:15PM Mar 16, 2019Observed: 2.52 ft at 9:30PM Mar 16, 2019Observed: 2.51 ft at 9:45PM Mar 16, 2019Observed: 2.51 ft at 10:00PM Mar 16, 2019Observed: 2.51 ft at 10:15PM Mar 16, 2019Observed: 2.52 ft at 10:30PM Mar 16, 2019Observed: 2.51 ft at 10:45PM Mar 16, 2019Observed: 2.52 ft at 11:00PM Mar 16, 2019Observed: 2.52 ft at 11:15PM Mar 16, 2019Observed: 2.51 ft at 11:30PM Mar 16, 2019Observed: 2.52 ft at 11:45PM Mar 16, 2019Observed: 2.53 ft at 12:00AM Mar 17, 2019Observed: 2.52 ft at 12:15AM Mar 17, 2019Observed: 2.52 ft at 12:30AM Mar 17, 2019Observed: 2.52 ft at 12:45AM Mar 17, 2019Observed: 2.52 ft at 1:00AM Mar 17, 2019Observed: 2.52 ft at 1:15AM Mar 17, 2019Observed: 2.52 ft at 1:30AM Mar 17, 2019Observed: 2.51 ft at 1:45AM Mar 17, 2019Observed: 2.52 ft at 2:00AM Mar 17, 2019Observed: 2.52 ft at 2:15AM Mar 17, 2019Observed: 2.52 ft at 2:30AM Mar 17, 2019Observed: 2.52 ft at 2:45AM Mar 17, 2019Observed: 2.52 ft at 3:00AM Mar 17, 2019Observed: 2.52 ft at 3:15AM Mar 17, 2019Observed: 2.52 ft at 3:30AM Mar 17, 2019Observed: 2.52 ft at 3:45AM Mar 17, 2019Observed: 2.52 ft at 4:00AM Mar 17, 2019Observed: 2.52 ft at 4:15AM Mar 17, 2019Observed: 2.51 ft at 4:30AM Mar 17, 2019Observed: 2.51 ft at 4:45AM Mar 17, 2019Observed: 2.52 ft at 5:00AM Mar 17, 2019Observed: 2.51 ft at 5:15AM Mar 17, 2019Observed: 2.5 ft at 5:30AM Mar 17, 2019Observed: 2.5 ft at 5:45AM Mar 17, 2019Observed: 2.49 ft at 6:00AM Mar 17, 2019Observed: 2.51 ft at 6:15AM Mar 17, 2019Observed: 2.51 ft at 6:30AM Mar 17, 2019Observed: 2.51 ft at 6:45AM Mar 17, 2019Observed: 2.51 ft at 7:00AM Mar 17, 2019Observed: 2.51 ft at 7:15AM Mar 17, 2019Observed: 2.52 ft at 7:30AM Mar 17, 2019Observed: 2.52 ft at 7:45AM Mar 17, 2019Observed: 2.51 ft at 8:00AM Mar 17, 2019Observed: 2.51 ft at 8:15AM Mar 17, 2019Observed: 2.51 ft at 8:30AM Mar 17, 2019Observed: 2.51 ft at 8:45AM Mar 17, 2019Observed: 2.51 ft at 9:00AM Mar 17, 2019Observed: 2.5 ft at 9:15AM Mar 17, 2019Observed: 2.5 ft at 9:30AM Mar 17, 2019Observed: 2.51 ft at 9:45AM Mar 17, 2019Observed: 2.51 ft at 10:00AM Mar 17, 2019Observed: 2.51 ft at 10:15AM Mar 17, 2019Observed: 2.51 ft at 10:30AM Mar 17, 2019Observed: 2.51 ft at 10:45AM Mar 17, 2019Observed: 2.5 ft at 11:00AM Mar 17, 2019Observed: 2.51 ft at 11:15AM Mar 17, 2019Observed: 2.51 ft at 11:30AM Mar 17, 2019Observed: 2.52 ft at 11:45AM Mar 17, 2019Observed: 2.5 ft at 12:00PM Mar 17, 2019Observed: 2.5 ft at 12:15PM Mar 17, 2019Observed: 2.51 ft at 12:30PM Mar 17, 2019Observed: 2.5 ft at 12:45PM Mar 17, 2019Observed: 2.51 ft at 1:00PM Mar 17, 2019Observed: 2.51 ft at 1:15PM Mar 17, 2019Observed: 2.51 ft at 1:30PM Mar 17, 2019Observed: 2.49 ft at 1:45PM Mar 17, 2019Observed: 2.51 ft at 2:00PM Mar 17, 2019Observed: 2.51 ft at 2:15PM Mar 17, 2019Observed: 2.51 ft at 2:30PM Mar 17, 2019Observed: 2.52 ft at 2:45PM Mar 17, 2019Observed: 2.52 ft at 3:00PM Mar 17, 2019Observed: 2.52 ft at 3:15PM Mar 17, 2019Observed: 2.52 ft at 3:30PM Mar 17, 2019Observed: 2.52 ft at 3:45PM Mar 17, 2019Observed: 2.52 ft at 4:00PM Mar 17, 2019Observed: 2.52 ft at 4:15PM Mar 17, 2019Observed: 2.52 ft at 4:30PM Mar 17, 2019Observed: 2.51 ft at 4:45PM Mar 17, 2019Observed: 2.52 ft at 5:00PM Mar 17, 2019Observed: 2.51 ft at 5:15PM Mar 17, 2019Observed: 2.51 ft at 5:30PM Mar 17, 2019Observed: 2.51 ft at 5:45PM Mar 17, 2019Observed: 2.51 ft at 6:00PM Mar 17, 2019Observed: 2.51 ft at 6:15PM Mar 17, 2019Observed: 2.51 ft at 6:30PM Mar 17, 2019Observed: 2.52 ft at 6:45PM Mar 17, 2019Observed: 2.51 ft at 7:00PM Mar 17, 2019Observed: 2.5 ft at 7:15PM Mar 17, 2019Observed: 2.52 ft at 7:30PM Mar 17, 2019Observed: 2.51 ft at 7:45PM Mar 17, 2019Observed: 2.52 ft at 8:00PM Mar 17, 2019Observed: 2.51 ft at 8:15PM Mar 17, 2019Observed: 2.52 ft at 8:30PM Mar 17, 2019Observed: 2.51 ft at 8:45PM Mar 17, 2019Observed: 2.52 ft at 9:00PM Mar 17, 2019Observed: 2.52 ft at 9:15PM Mar 17, 2019Observed: 2.51 ft at 9:30PM Mar 17, 2019Observed: 2.52 ft at 9:45PM Mar 17, 2019Observed: 2.52 ft at 10:00PM Mar 17, 2019Observed: 2.51 ft at 10:15PM Mar 17, 2019Observed: 2.51 ft at 10:30PM Mar 17, 2019Observed: 2.53 ft at 10:45PM Mar 17, 2019Observed: 2.53 ft at 11:00PM Mar 17, 2019Observed: 2.52 ft at 11:15PM Mar 17, 2019Observed: 2.52 ft at 11:30PM Mar 17, 2019Observed: 2.51 ft at 11:45PM Mar 17, 2019Observed: 2.52 ft at 12:00AM Mar 18, 2019Observed: 2.52 ft at 12:15AM Mar 18, 2019Observed: 2.53 ft at 12:30AM Mar 18, 2019Observed: 2.53 ft at 12:45AM Mar 18, 2019Observed: 2.54 ft at 1:00AM Mar 18, 2019Observed: 2.53 ft at 1:15AM Mar 18, 2019Observed: 2.54 ft at 1:30AM Mar 18, 2019Observed: 2.54 ft at 1:45AM Mar 18, 2019Observed: 2.55 ft at 2:00AM Mar 18, 2019Observed: 2.54 ft at 2:15AM Mar 18, 2019Observed: 2.53 ft at 2:30AM Mar 18, 2019Observed: 2.53 ft at 2:45AM Mar 18, 2019Observed: 2.54 ft at 3:00AM Mar 18, 2019Observed: 2.53 ft at 3:15AM Mar 18, 2019Observed: 2.53 ft at 3:30AM Mar 18, 2019Observed: 2.53 ft at 3:45AM Mar 18, 2019Observed: 2.53 ft at 4:00AM Mar 18, 2019Observed: 2.52 ft at 4:15AM Mar 18, 2019Observed: 2.52 ft at 4:30AM Mar 18, 2019Observed: 2.53 ft at 4:45AM Mar 18, 2019Observed: 2.52 ft at 5:00AM Mar 18, 2019Observed: 2.52 ft at 5:15AM Mar 18, 2019Observed: 2.52 ft at 5:30AM Mar 18, 2019Observed: 2.52 ft at 5:45AM Mar 18, 2019Observed: 2.5 ft at 6:00AM Mar 18, 2019Observed: 2.51 ft at 6:15AM Mar 18, 2019Observed: 2.51 ft at 6:30AM Mar 18, 2019Observed: 2.51 ft at 6:45AM Mar 18, 2019Observed: 2.51 ft at 7:00AM Mar 18, 2019Observed: 2.51 ft at 7:15AM Mar 18, 2019Observed: 2.51 ft at 7:30AM Mar 18, 2019Observed: 2.52 ft at 7:45AM Mar 18, 2019Observed: 2.51 ft at 8:00AM Mar 18, 2019Observed: 2.51 ft at 8:15AM Mar 18, 2019Observed: 2.51 ft at 8:30AM Mar 18, 2019Observed: 2.52 ft at 8:45AM Mar 18, 2019Observed: 2.51 ft at 9:00AM Mar 18, 2019Observed: 2.51 ft at 9:15AM Mar 18, 2019Observed: 2.52 ft at 9:30AM Mar 18, 2019Observed: 2.52 ft at 9:45AM Mar 18, 2019Observed: 2.51 ft at 10:00AM Mar 18, 2019Observed: 2.51 ft at 10:15AM Mar 18, 2019Observed: 2.52 ft at 10:30AM Mar 18, 2019Observed: 2.51 ft at 10:45AM Mar 18, 2019Observed: 2.52 ft at 11:00AM Mar 18, 2019Observed: 2.51 ft at 11:15AM Mar 18, 2019Observed: 2.51 ft at 11:30AM Mar 18, 2019Observed: 2.51 ft at 11:45AM Mar 18, 2019Observed: 2.52 ft at 12:00PM Mar 18, 2019Observed: 2.52 ft at 12:15PM Mar 18, 2019Observed: 2.53 ft at 12:30PM Mar 18, 2019Observed: 2.52 ft at 12:45PM Mar 18, 2019Observed: 2.53 ft at 1:00PM Mar 18, 2019Observed: 2.53 ft at 1:15PM Mar 18, 2019Observed: 2.53 ft at 1:30PM Mar 18, 2019Observed: 2.53 ft at 1:45PM Mar 18, 2019Observed: 2.53 ft at 2:00PM Mar 18, 2019Observed: 2.53 ft at 2:15PM Mar 18, 2019Observed: 2.54 ft at 2:30PM Mar 18, 2019Observed: 2.56 ft at 2:45PM Mar 18, 2019Observed: 2.57 ft at 3:00PM Mar 18, 2019Observed: 2.61 ft at 3:15PM Mar 18, 2019Observed: 2.64 ft at 3:30PM Mar 18, 2019Observed: 2.65 ft at 3:45PM Mar 18, 2019Observed: 2.68 ft at 4:00PM Mar 18, 2019Observed: 2.71 ft at 4:15PM Mar 18, 2019Observed: 2.72 ft at 4:30PM Mar 18, 2019Observed: 2.72 ft at 4:45PM Mar 18, 2019Observed: 2.74 ft at 5:00PM Mar 18, 2019Observed: 2.75 ft at 5:15PM Mar 18, 2019Observed: 2.75 ft at 5:30PM Mar 18, 2019Observed: 2.75 ft at 5:45PM Mar 18, 2019Observed: 2.77 ft at 6:00PM Mar 18, 2019Observed: 2.77 ft at 6:15PM Mar 18, 2019Observed: 2.77 ft at 6:30PM Mar 18, 2019Observed: 2.78 ft at 6:45PM Mar 18, 2019Observed: 2.78 ft at 7:00PM Mar 18, 2019Observed: 2.77 ft at 7:15PM Mar 18, 2019Observed: 2.77 ft at 7:30PM Mar 18, 2019Observed: 2.78 ft at 7:45PM Mar 18, 2019Observed: 2.78 ft at 8:00PM Mar 18, 2019Observed: 2.78 ft at 8:15PM Mar 18, 2019Observed: 2.78 ft at 8:30PM Mar 18, 2019Observed: 2.79 ft at 8:45PM Mar 18, 2019Observed: 2.79 ft at 9:00PM Mar 18, 2019Observed: 2.79 ft at 9:15PM Mar 18, 2019Observed: 2.79 ft at 9:30PM Mar 18, 2019Observed: 2.8 ft at 9:45PM Mar 18, 2019Observed: 2.8 ft at 10:00PM Mar 18, 2019Observed: 2.81 ft at 10:15PM Mar 18, 2019Observed: 2.81 ft at 10:30PM Mar 18, 2019Observed: 2.83 ft at 10:45PM Mar 18, 2019Observed: 2.82 ft at 11:00PM Mar 18, 2019Observed: 2.83 ft at 11:15PM Mar 18, 2019Observed: 2.83 ft at 11:30PM Mar 18, 2019Observed: 2.81 ft at 11:45PM Mar 18, 2019Observed: 2.82 ft at 12:00AM Mar 19, 2019Observed: 2.8 ft at 12:15AM Mar 19, 2019Observed: 2.8 ft at 12:30AM Mar 19, 2019Observed: 2.81 ft at 12:45AM Mar 19, 2019Observed: 2.8 ft at 1:00AM Mar 19, 2019Observed: 2.8 ft at 1:15AM Mar 19, 2019Observed: 2.8 ft at 1:30AM Mar 19, 2019Observed: 2.79 ft at 1:45AM Mar 19, 2019Observed: 2.79 ft at 2:00AM Mar 19, 2019Observed: 2.79 ft at 2:15AM Mar 19, 2019Observed: 2.8 ft at 2:30AM Mar 19, 2019Observed: 2.79 ft at 2:45AM Mar 19, 2019Observed: 2.79 ft at 3:00AM Mar 19, 2019Observed: 2.79 ft at 3:15AM Mar 19, 2019Observed: 2.78 ft at 3:30AM Mar 19, 2019Observed: 2.79 ft at 3:45AM Mar 19, 2019Observed: 2.78 ft at 4:00AM Mar 19, 2019Observed: 2.78 ft at 4:15AM Mar 19, 2019Observed: 2.79 ft at 4:30AM Mar 19, 2019Observed: 2.79 ft at 4:45AM Mar 19, 2019Observed: 2.79 ft at 5:00AM Mar 19, 2019Observed: 2.78 ft at 5:15AM Mar 19, 2019Observed: 2.79 ft at 5:30AM Mar 19, 2019Observed: 2.78 ft at 5:45AM Mar 19, 2019Observed: 2.79 ft at 6:00AM Mar 19, 2019Observed: 2.79 ft at 6:15AM Mar 19, 2019Observed: 2.77 ft at 6:30AM Mar 19, 2019Observed: 2.78 ft at 6:45AM Mar 19, 2019Observed: 2.78 ft at 7:00AM Mar 19, 2019Observed: 2.77 ft at 7:15AM Mar 19, 2019Observed: 2.78 ft at 7:30AM Mar 19, 2019Observed: 2.78 ft at 7:45AM Mar 19, 2019Observed: 2.77 ft at 8:00AM Mar 19, 2019Observed: 2.78 ft at 8:15AM Mar 19, 2019Observed: 2.78 ft at 8:30AM Mar 19, 2019Observed: 2.77 ft at 8:45AM Mar 19, 2019Observed: 2.78 ft at 9:00AM Mar 19, 2019Observed: 2.77 ft at 9:15AM Mar 19, 2019Observed: 2.77 ft at 9:30AM Mar 19, 2019Observed: 2.76 ft at 9:45AM Mar 19, 2019Observed: 2.77 ft at 10:00AM Mar 19, 2019Observed: 2.76 ft at 10:15AM Mar 19, 2019Observed: 2.76 ft at 10:30AM Mar 19, 2019Observed: 2.76 ft at 10:45AM Mar 19, 2019Observed: 2.78 ft at 11:00AM Mar 19, 2019Observed: 2.77 ft at 11:15AM Mar 19, 2019Observed: 2.78 ft at 11:30AM Mar 19, 2019Observed: 2.77 ft at 11:45AM Mar 19, 2019Observed: 2.78 ft at 12:00PM Mar 19, 2019Observed: 2.78 ft at 12:15PM Mar 19, 2019Observed: 2.78 ft at 12:30PM Mar 19, 2019Observed: 2.78 ft at 12:45PM Mar 19, 2019Observed: 2.79 ft at 1:00PM Mar 19, 2019Observed: 2.78 ft at 1:15PM Mar 19, 2019Observed: 2.79 ft at 1:30PM Mar 19, 2019Observed: 2.79 ft at 1:45PM Mar 19, 2019Observed: 2.79 ft at 2:00PM Mar 19, 2019Observed: 2.78 ft at 2:15PM Mar 19, 2019Observed: 2.79 ft at 2:30PM Mar 19, 2019Observed: 2.79 ft at 2:45PM Mar 19, 2019Observed: 2.8 ft at 3:00PM Mar 19, 2019Observed: 2.79 ft at 3:15PM Mar 19, 2019Observed: 2.78 ft at 3:30PM Mar 19, 2019Observed: 2.79 ft at 3:45PM Mar 19, 2019Observed: 2.79 ft at 4:00PM Mar 19, 2019Observed: 2.79 ft at 4:15PM Mar 19, 2019Observed: 2.78 ft at 4:30PM Mar 19, 2019Observed: 2.78 ft at 4:45PM Mar 19, 2019Observed: 2.78 ft at 5:00PM Mar 19, 2019Observed: 2.77 ft at 5:15PM Mar 19, 2019Observed: 2.77 ft at 5:30PM Mar 19, 2019Observed: 2.78 ft at 5:45PM Mar 19, 2019Observed: 2.78 ft at 6:00PM Mar 19, 2019Observed: 2.78 ft at 6:15PM Mar 19, 2019Observed: 2.77 ft at 6:30PM Mar 19, 2019Observed: 2.78 ft at 6:45PM Mar 19, 2019Observed: 2.77 ft at 7:00PM Mar 19, 2019Observed: 2.78 ft at 7:15PM Mar 19, 2019Observed: 2.79 ft at 7:30PM Mar 19, 2019Observed: 2.79 ft at 7:45PM Mar 19, 2019Observed: 2.8 ft at 8:00PM Mar 19, 2019Observed: 2.79 ft at 8:15PM Mar 19, 2019Observed: 2.79 ft at 8:30PM Mar 19, 2019Observed: 2.79 ft at 8:45PM Mar 19, 2019Observed: 2.8 ft at 9:00PM Mar 19, 2019Observed: 2.8 ft at 9:15PM Mar 19, 2019Observed: 2.8 ft at 9:30PM Mar 19, 2019Observed: 2.79 ft at 9:45PM Mar 19, 2019Observed: 2.79 ft at 10:00PM Mar 19, 2019Observed: 2.78 ft at 10:15PM Mar 19, 2019Observed: 2.8 ft at 10:30PM Mar 19, 2019Observed: 2.79 ft at 10:45PM Mar 19, 2019Observed: 2.79 ft at 11:00PM Mar 19, 2019Observed: 2.79 ft at 11:15PM Mar 19, 2019Observed: 2.8 ft at 11:30PM Mar 19, 2019Observed: 2.79 ft at 11:45PM Mar 19, 2019Observed: 2.8 ft at 12:00AM Mar 20, 2019Observed: 2.8 ft at 12:15AM Mar 20, 2019Observed: 2.8 ft at 12:30AM Mar 20, 2019Observed: 2.79 ft at 12:45AM Mar 20, 2019Observed: 2.79 ft at 1:00AM Mar 20, 2019Observed: 2.79 ft at 1:15AM Mar 20, 2019Observed: 2.79 ft at 1:30AM Mar 20, 2019Observed: 2.8 ft at 1:45AM Mar 20, 2019Observed: 2.8 ft at 2:00AM Mar 20, 2019Observed: 2.79 ft at 2:15AM Mar 20, 2019Observed: 2.79 ft at 2:30AM Mar 20, 2019Observed: 2.79 ft at 2:45AM Mar 20, 2019Observed: 2.78 ft at 3:00AM Mar 20, 2019Observed: 2.78 ft at 3:15AM Mar 20, 2019Observed: 2.79 ft at 3:30AM Mar 20, 2019Observed: 2.79 ft at 3:45AM Mar 20, 2019Observed: 2.79 ft at 4:00AM Mar 20, 2019Observed: 2.8 ft at 4:15AM Mar 20, 2019Observed: 2.8 ft at 4:30AM Mar 20, 2019Observed: 2.8 ft at 4:45AM Mar 20, 2019Observed: 2.79 ft at 5:00AM Mar 20, 2019Observed: 2.79 ft at 5:15AM Mar 20, 2019Observed: 2.79 ft at 5:30AM Mar 20, 2019Observed: 2.8 ft at 5:45AM Mar 20, 2019Observed: 2.8 ft at 6:00AM Mar 20, 2019Observed: 2.78 ft at 6:15AM Mar 20, 2019Observed: 2.79 ft at 6:30AM Mar 20, 2019Observed: 2.78 ft at 6:45AM Mar 20, 2019Observed: 2.79 ft at 7:00AM Mar 20, 2019Observed: 2.78 ft at 7:15AM Mar 20, 2019Observed: 2.8 ft at 7:30AM Mar 20, 2019Observed: 2.79 ft at 7:45AM Mar 20, 2019Observed: 2.79 ft at 8:00AM Mar 20, 2019Observed: 2.8 ft at 8:15AM Mar 20, 2019Observed: 2.81 ft at 8:30AM Mar 20, 2019Observed: 2.8 ft at 8:45AM Mar 20, 2019Observed: 2.8 ft at 9:00AM Mar 20, 2019Observed: 2.79 ft at 9:15AM Mar 20, 2019Observed: 2.79 ft at 9:30AM Mar 20, 2019Observed: 2.77 ft at 9:45AM Mar 20, 2019Observed: 2.79 ft at 10:00AM Mar 20, 2019Observed: 2.8 ft at 10:15AM Mar 20, 2019Observed: 2.79 ft at 10:30AM Mar 20, 2019Observed: 2.79 ft at 10:45AM Mar 20, 2019Observed: 2.78 ft at 11:00AM Mar 20, 2019Observed: 2.79 ft at 11:15AM Mar 20, 2019Observed: 2.79 ft at 11:30AM Mar 20, 2019Observed: 2.8 ft at 11:45AM Mar 20, 2019Observed: 2.79 ft at 12:00PM Mar 20, 2019Observed: 2.79 ft at 12:15PM Mar 20, 2019Observed: 2.8 ft at 12:30PM Mar 20, 2019Observed: 2.8 ft at 12:45PM Mar 20, 2019Observed: 2.8 ft at 1:00PM Mar 20, 2019Observed: 2.8 ft at 1:15PM Mar 20, 2019Observed: 2.79 ft at 1:30PM Mar 20, 2019Observed: 2.8 ft at 1:45PM Mar 20, 2019Observed: 2.8 ft at 2:00PM Mar 20, 2019Observed: 2.8 ft at 2:15PM Mar 20, 2019Observed: 2.82 ft at 2:30PM Mar 20, 2019Observed: 2.83 ft at 2:45PM Mar 20, 2019Observed: 2.84 ft at 3:00PM Mar 20, 2019Observed: 2.87 ft at 3:15PM Mar 20, 2019Observed: 2.9 ft at 3:30PM Mar 20, 2019Observed: 2.93 ft at 3:45PM Mar 20, 2019Observed: 2.97 ft at 4:00PM Mar 20, 2019Observed: 3 ft at 4:15PM Mar 20, 2019Observed: 2.99 ft at 4:30PM Mar 20, 2019Observed: 3.03 ft at 4:45PM Mar 20, 2019Observed: 3.03 ft at 5:00PM Mar 20, 2019Observed: 3.02 ft at 5:15PM Mar 20, 2019Observed: 3.04 ft at 5:30PM Mar 20, 2019Observed: 3.05 ft at 5:45PM Mar 20, 2019Observed: 3.04 ft at 6:00PM Mar 20, 2019Observed: 3.04 ft at 6:15PM Mar 20, 2019Observed: 3.04 ft at 6:30PM Mar 20, 2019Observed: 3.04 ft at 6:45PM Mar 20, 2019Observed: 3.04 ft at 7:00PM Mar 20, 2019Observed: 3.05 ft at 7:15PM Mar 20, 2019Observed: 3.06 ft at 7:30PM Mar 20, 2019Observed: 3.05 ft at 7:45PM Mar 20, 2019Observed: 3.05 ft at 8:00PM Mar 20, 2019Observed: 3.05 ft at 8:15PM Mar 20, 2019Observed: 3.06 ft at 8:30PM Mar 20, 2019Observed: 3.05 ft at 8:45PM Mar 20, 2019Observed: 3.06 ft at 9:00PM Mar 20, 2019Highest Observation: 3.07 ft at 9:15PM Mar 20, 2019Highest Observation: 3.07 ft at 9:30PM Mar 20, 2019Highest Observation: 3.07 ft at 9:45PM Mar 20, 2019Observed: 3.06 ft at 10:00PM Mar 20, 2019Highest Observation: 3.07 ft at 10:15PM Mar 20, 2019Highest Observation: 3.07 ft at 10:30PM Mar 20, 2019Observed: 3.05 ft at 10:45PM Mar 20, 2019Observed: 3.05 ft at 11:00PM Mar 20, 2019Observed: 3.05 ft at 11:15PM Mar 20, 2019Observed: 3.04 ft at 11:30PM Mar 20, 2019Observed: 3.03 ft at 11:45PM Mar 20, 2019Observed: 3.03 ft at 12:00AM Mar 21, 2019Observed: 3.04 ft at 12:15AM Mar 21, 2019Observed: 3.03 ft at 12:30AM Mar 21, 2019Observed: 3.05 ft at 12:45AM Mar 21, 2019Observed: 3.04 ft at 1:00AM Mar 21, 2019Observed: 3.06 ft at 1:15AM Mar 21, 2019Observed: 3.04 ft at 1:30AM Mar 21, 2019Observed: 3.03 ft at 1:45AM Mar 21, 2019Observed: 3.03 ft at 2:00AM Mar 21, 2019Observed: 3.05 ft at 2:15AM Mar 21, 2019Observed: 3.05 ft at 2:30AM Mar 21, 2019Observed: 3.04 ft at 2:45AM Mar 21, 2019Observed: 3.04 ft at 3:00AM Mar 21, 2019Observed: 3.03 ft at 3:15AM Mar 21, 2019Observed: 3.06 ft at 3:30AM Mar 21, 2019Observed: 3.05 ft at 3:45AM Mar 21, 2019Observed: 3.05 ft at 4:00AM Mar 21, 2019Observed: 3.05 ft at 4:15AM Mar 21, 2019Observed: 3.06 ft at 4:30AM Mar 21, 2019Observed: 3.06 ft at 4:45AM Mar 21, 2019Observed: 3.04 ft at 5:00AM Mar 21, 2019Observed: 3.05 ft at 5:15AM Mar 21, 2019Observed: 3.04 ft at 5:30AM Mar 21, 2019Observed: 3.05 ft at 5:45AM Mar 21, 2019Observed: 3.04 ft at 6:00AM Mar 21, 2019Observed: 3.05 ft at 6:15AM Mar 21, 2019Observed: 3.06 ft at 6:30AM Mar 21, 2019Observed: 3.05 ft at 6:45AM Mar 21, 2019Observed: 3.03 ft at 7:00AM Mar 21, 2019Observed: 3.03 ft at 7:15AM Mar 21, 2019Observed: 3.03 ft at 7:30AM Mar 21, 2019Observed: 3.03 ft at 7:45AM Mar 21, 2019Observed: 3.02 ft at 8:00AM Mar 21, 2019Observed: 3.03 ft at 8:15AM Mar 21, 2019Observed: 3.04 ft at 8:30AM Mar 21, 2019Observed: 3.03 ft at 8:45AM Mar 21, 2019Observed: 3.04 ft at 9:00AM Mar 21, 2019Observed: 3.04 ft at 9:15AM Mar 21, 2019Observed: 3.04 ft at 9:30AM Mar 21, 2019Observed: 3.04 ft at 9:45AM Mar 21, 2019Observed: 3.03 ft at 10:00AM Mar 21, 2019Observed: 3.03 ft at 10:15AM Mar 21, 2019Observed: 3.04 ft at 10:30AM Mar 21, 2019Forecast: 3.05 ft 12:00PM Mar 21, 2019Forecast: 3.05 ft 6:00PM Mar 21, 2019Forecast: 3.06 ft 12:00AM Mar 22, 2019Forecast: 3.06 ft 6:00AM Mar 22, 2019Forecast: 3.06 ft 12:00PM Mar 22, 2019Forecast: 3.06 ft 6:00PM Mar 22, 2019Forecast: 3.06 ft 12:00AM Mar 23, 2019Forecast: 3.06 ft 6:00AM Mar 23, 2019Forecast: 3.06 ft 12:00PM Mar 23, 2019Forecast: 3.06 ft 6:00PM Mar 23, 2019Forecast: 3.06 ft 12:00AM Mar 24, 2019Forecast: 3.06 ft 6:00AM Mar 24, 2019Highest Forecast: 3.07 ft 12:00PM Mar 24, 2019Highest Forecast: 3.07 ft 6:00PM Mar 24, 2019Highest Forecast: 3.07 ft 12:00AM Mar 25, 2019Highest Forecast: 3.07 ft 6:00AM Mar 25, 2019Highest Forecast: 3.07 ft 12:00PM Mar 25, 2019Forecast: 3.06 ft 6:00PM Mar 25, 2019Forecast: 3.06 ft 12:00AM Mar 26, 2019Forecast: 3.06 ft 6:00AM Mar 26, 2019USGS--Water Resources of the United StatesHEII1(plotting HGIRG) Graph Created (11:18AM Mar 21, 2019)ObservedForecast (issued 10:33AM Mar 21)Latest observed value: 3.04 ft at 10:30 AM MDT 21-Mar-2019. Flood Stage is 8 ft
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Tabular Data (MDT)
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NOTE: Gauge reading may be affected by ice during freezing weather from November to April.

NOTE: Forecasts for the Snake River near Heise are issued routinely year-round.

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Upstream Gauge - near Irwin Upstream Gauge Downstream Gauge Downstream Gauge - at Lorenzo
Flood Categories (in feet)
Major Flood Stage: 11
Moderate Flood Stage: 9.5
Flood Stage: 8
Action Stage: 6.25
Low Stage (in feet): -9999

Historic Crests
(1) 11.26 ft on 06/13/1997
(2) 10.04 ft on 06/23/1943
(3) 9.22 ft on 06/01/1956
(4) 9.11 ft on 05/29/1951
(5) 9.07 ft on 06/28/1954
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(P): Preliminary values subject to further review.

Recent Crests
(1) 7.66 ft on 06/19/2018 (P)
(2) 8.36 ft on 06/14/2017
(3) 6.59 ft on 06/08/2016
(4) 6.79 ft on 05/14/2015
(5) 7.23 ft on 06/09/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -0.18 ft on 11/10/1956
(2) 0.75 ft on 03/14/1977
(3) 0.86 ft on 03/01/1968
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Zoom Level:16
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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
11 or 39794 cfs... Major flooding in Menan-Roberts area. Interstate 15 may be closed due to flooding. County road bridges will begin to wash out.
9.5 or 33359 cfs... Flooding can be expected in the Menan-Roberts area.
8 or 23933 cfs... Flooding near the Warm Springs Resort area is possible.
6.25 or 16297 cfs... Action Stage 6.25 ft. Actual flooding is limited to islands and bars and levees on both banks of the Snake River, between the US HWY 20 bridge and the Heise area. Channel changes, including flows into high water channels, may impinge upon levees in the reach and threaten their structural integrity, leading to a breach and possible flooding outside of the levee system. Actions by local agencies may include responding to potential breaches and conducting emergency repairs.
Photos
(1) HEII1_googleearth
(2) HEII1_map
(3) HEII1_SnakeHeise_gage
(4) HEII1_looking_upstream
(5) HEII1_looking_downstream
(6) HEII1_looking_downstream2
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Latitude: 43.612425° N, Longitude: 111.659811° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 8 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 5015.3 ft 5023.3 ft  

Current/Historical Observations:

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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 41000 CFS or 11.15 ft
50   Year Peak Flood 46500 CFS or 12.11 ft
100 Year Peak Flood 52200 CFS or 13.00 ft
200 Year Peak Flood 58400 CFS
500 Year Peak Flood 67100 CFS
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Hydrologic Resources Additional 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
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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