Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 
Hydrograph River at a Glance Download
Big Sioux River at Sioux City Stage (ft)Flow (kcfs)Observed: 14.51 ft at 7:15AM Jul 07, 2020Observed: 14.51 ft at 7:30AM Jul 07, 2020Observed: 14.52 ft at 7:45AM Jul 07, 2020Observed: 14.5 ft at 8:00AM Jul 07, 2020Observed: 14.51 ft at 8:15AM Jul 07, 2020Observed: 14.49 ft at 8:30AM Jul 07, 2020Observed: 14.52 ft at 8:45AM Jul 07, 2020Observed: 14.52 ft at 9:00AM Jul 07, 2020Observed: 14.5 ft at 9:15AM Jul 07, 2020Observed: 14.51 ft at 9:30AM Jul 07, 2020Observed: 14.52 ft at 10:45AM Jul 07, 2020Observed: 14.5 ft at 11:00AM Jul 07, 2020Observed: 14.51 ft at 11:15AM Jul 07, 2020Observed: 14.49 ft at 11:30AM Jul 07, 2020Observed: 14.52 ft at 11:45AM Jul 07, 2020Observed: 14.52 ft at 12:00PM Jul 07, 2020Observed: 14.51 ft at 12:15PM Jul 07, 2020Observed: 14.51 ft at 12:30PM Jul 07, 2020Observed: 14.5 ft at 12:45PM Jul 07, 2020Observed: 14.51 ft at 1:00PM Jul 07, 2020Observed: 14.52 ft at 1:15PM Jul 07, 2020Observed: 14.51 ft at 1:30PM Jul 07, 2020Observed: 14.52 ft at 1:45PM Jul 07, 2020Observed: 14.52 ft at 1:46PM Jul 07, 2020Observed: 14.51 ft at 2:00PM Jul 07, 2020Observed: 14.51 ft at 2:01PM Jul 07, 2020Observed: 14.51 ft at 2:15PM Jul 07, 2020Observed: 14.51 ft at 2:16PM Jul 07, 2020Observed: 14.5 ft at 2:30PM Jul 07, 2020Observed: 14.51 ft at 2:45PM Jul 07, 2020Observed: 14.52 ft at 3:00PM Jul 07, 2020Observed: 14.5 ft at 3:15PM Jul 07, 2020Observed: 14.51 ft at 3:30PM Jul 07, 2020Observed: 14.51 ft at 3:45PM Jul 07, 2020Observed: 14.5 ft at 4:00PM Jul 07, 2020Observed: 14.5 ft at 4:15PM Jul 07, 2020Observed: 14.52 ft at 4:30PM Jul 07, 2020Observed: 14.52 ft at 4:45PM Jul 07, 2020Observed: 14.51 ft at 5:00PM Jul 07, 2020Observed: 14.5 ft at 5:15PM Jul 07, 2020Observed: 14.5 ft at 5:30PM Jul 07, 2020Observed: 14.51 ft at 5:45PM Jul 07, 2020Observed: 14.51 ft at 6:00PM Jul 07, 2020Observed: 14.51 ft at 6:15PM Jul 07, 2020Observed: 14.51 ft at 6:30PM Jul 07, 2020Observed: 14.51 ft at 6:45PM Jul 07, 2020Observed: 14.51 ft at 7:00PM Jul 07, 2020Observed: 14.5 ft at 7:15PM Jul 07, 2020Observed: 14.51 ft at 7:30PM Jul 07, 2020Observed: 14.51 ft at 7:45PM Jul 07, 2020Observed: 14.51 ft at 8:00PM Jul 07, 2020Observed: 14.5 ft at 8:15PM Jul 07, 2020Observed: 14.5 ft at 8:30PM Jul 07, 2020Observed: 14.49 ft at 8:45PM Jul 07, 2020Observed: 14.5 ft at 9:00PM Jul 07, 2020Observed: 14.5 ft at 9:15PM Jul 07, 2020Observed: 14.49 ft at 9:30PM Jul 07, 2020Observed: 14.49 ft at 9:45PM Jul 07, 2020Observed: 14.49 ft at 9:47PM Jul 07, 2020Observed: 14.49 ft at 10:00PM Jul 07, 2020Observed: 14.49 ft at 10:02PM Jul 07, 2020Observed: 14.49 ft at 10:15PM Jul 07, 2020Observed: 14.49 ft at 10:17PM Jul 07, 2020Observed: 14.48 ft at 10:30PM Jul 07, 2020Observed: 14.49 ft at 10:45PM Jul 07, 2020Observed: 14.48 ft at 11:00PM Jul 07, 2020Observed: 14.48 ft at 11:15PM Jul 07, 2020Observed: 14.47 ft at 11:30PM Jul 07, 2020Observed: 14.47 ft at 11:45PM Jul 07, 2020Observed: 14.48 ft at 12:00AM Jul 08, 2020Observed: 14.47 ft at 12:15AM Jul 08, 2020Observed: 14.46 ft at 12:30AM Jul 08, 2020Observed: 14.48 ft at 12:45AM Jul 08, 2020Observed: 14.48 ft at 1:00AM Jul 08, 2020Observed: 14.47 ft at 1:15AM Jul 08, 2020Observed: 14.47 ft at 1:30AM Jul 08, 2020Observed: 14.46 ft at 1:45AM Jul 08, 2020Observed: 14.47 ft at 2:00AM Jul 08, 2020Observed: 14.46 ft at 2:15AM Jul 08, 2020Observed: 14.45 ft at 2:30AM Jul 08, 2020Observed: 14.44 ft at 2:45AM Jul 08, 2020Observed: 14.45 ft at 3:00AM Jul 08, 2020Observed: 14.43 ft at 3:15AM Jul 08, 2020Observed: 14.43 ft at 3:30AM Jul 08, 2020Observed: 14.44 ft at 3:45AM Jul 08, 2020Observed: 14.42 ft at 4:00AM Jul 08, 2020Observed: 14.41 ft at 4:15AM Jul 08, 2020Observed: 14.4 ft at 4:30AM Jul 08, 2020Observed: 14.4 ft at 4:45AM Jul 08, 2020Observed: 14.41 ft at 5:00AM Jul 08, 2020Observed: 14.4 ft at 5:15AM Jul 08, 2020Observed: 14.39 ft at 5:30AM Jul 08, 2020Observed: 14.37 ft at 5:45AM Jul 08, 2020Observed: 14.37 ft at 5:46AM Jul 08, 2020Observed: 14.36 ft at 6:00AM Jul 08, 2020Observed: 14.36 ft at 6:01AM Jul 08, 2020Observed: 14.37 ft at 6:15AM Jul 08, 2020Observed: 14.37 ft at 6:16AM Jul 08, 2020Observed: 14.36 ft at 6:30AM Jul 08, 2020Observed: 14.36 ft at 6:45AM Jul 08, 2020Observed: 14.35 ft at 7:00AM Jul 08, 2020Observed: 14.34 ft at 7:15AM Jul 08, 2020Observed: 14.31 ft at 7:30AM Jul 08, 2020Observed: 14.31 ft at 7:45AM Jul 08, 2020Observed: 14.29 ft at 8:00AM Jul 08, 2020Observed: 14.27 ft at 8:15AM Jul 08, 2020Observed: 14.32 ft at 8:30AM Jul 08, 2020Observed: 14.29 ft at 8:45AM Jul 08, 2020Observed: 14.24 ft at 9:00AM Jul 08, 2020Observed: 14.25 ft at 9:15AM Jul 08, 2020Observed: 14.23 ft at 9:30AM Jul 08, 2020Observed: 14.25 ft at 9:45AM Jul 08, 2020Observed: 14.23 ft at 10:00AM Jul 08, 2020Observed: 14.19 ft at 10:15AM Jul 08, 2020Observed: 14.22 ft at 10:30AM Jul 08, 2020Observed: 14.18 ft at 10:45AM Jul 08, 2020Observed: 14.23 ft at 11:00AM Jul 08, 2020Observed: 14.21 ft at 11:15AM Jul 08, 2020Observed: 14.25 ft at 11:30AM Jul 08, 2020Observed: 14.24 ft at 11:45AM Jul 08, 2020Observed: 14.25 ft at 12:00PM Jul 08, 2020Observed: 14.25 ft at 12:15PM Jul 08, 2020Observed: 14.26 ft at 12:30PM Jul 08, 2020Observed: 14.27 ft at 12:45PM Jul 08, 2020Observed: 14.27 ft at 1:00PM Jul 08, 2020Observed: 14.28 ft at 1:15PM Jul 08, 2020Observed: 14.3 ft at 1:30PM Jul 08, 2020Observed: 14.3 ft at 1:45PM Jul 08, 2020Observed: 14.31 ft at 2:00PM Jul 08, 2020Observed: 14.31 ft at 2:01PM Jul 08, 2020Observed: 14.33 ft at 2:15PM Jul 08, 2020Observed: 14.33 ft at 2:16PM Jul 08, 2020Observed: 14.34 ft at 2:30PM Jul 08, 2020Observed: 14.34 ft at 2:31PM Jul 08, 2020Observed: 14.35 ft at 2:45PM Jul 08, 2020Observed: 14.35 ft at 3:00PM Jul 08, 2020Observed: 14.39 ft at 3:15PM Jul 08, 2020Observed: 14.41 ft at 3:30PM Jul 08, 2020Observed: 14.43 ft at 3:45PM Jul 08, 2020Observed: 14.47 ft at 4:00PM Jul 08, 2020Observed: 14.48 ft at 4:15PM Jul 08, 2020Observed: 14.5 ft at 4:30PM Jul 08, 2020Observed: 14.55 ft at 4:45PM Jul 08, 2020Observed: 14.55 ft at 5:00PM Jul 08, 2020Observed: 14.59 ft at 5:15PM Jul 08, 2020Observed: 14.61 ft at 5:30PM Jul 08, 2020Observed: 14.64 ft at 5:45PM Jul 08, 2020Observed: 14.63 ft at 6:00PM Jul 08, 2020Observed: 14.67 ft at 6:15PM Jul 08, 2020Observed: 14.73 ft at 6:30PM Jul 08, 2020Observed: 14.73 ft at 6:45PM Jul 08, 2020Observed: 14.74 ft at 7:00PM Jul 08, 2020Observed: 14.79 ft at 7:15PM Jul 08, 2020Observed: 14.81 ft at 7:30PM Jul 08, 2020Observed: 14.84 ft at 7:45PM Jul 08, 2020Observed: 14.86 ft at 8:00PM Jul 08, 2020Observed: 14.88 ft at 8:15PM Jul 08, 2020Observed: 14.91 ft at 8:30PM Jul 08, 2020Observed: 14.92 ft at 8:45PM Jul 08, 2020Observed: 14.96 ft at 9:00PM Jul 08, 2020Observed: 14.98 ft at 9:15PM Jul 08, 2020Observed: 14.98 ft at 9:30PM Jul 08, 2020Observed: 15.03 ft at 9:45PM Jul 08, 2020Observed: 15.05 ft at 10:00PM Jul 08, 2020Observed: 15.05 ft at 10:01PM Jul 08, 2020Observed: 15.06 ft at 10:15PM Jul 08, 2020Observed: 15.06 ft at 10:16PM Jul 08, 2020Observed: 15.09 ft at 10:30PM Jul 08, 2020Observed: 15.09 ft at 10:31PM Jul 08, 2020Observed: 15.11 ft at 10:45PM Jul 08, 2020Observed: 15.12 ft at 11:00PM Jul 08, 2020Observed: 15.15 ft at 11:15PM Jul 08, 2020Observed: 15.18 ft at 11:30PM Jul 08, 2020Observed: 15.19 ft at 11:45PM Jul 08, 2020Observed: 15.23 ft at 12:00AM Jul 09, 2020Observed: 15.21 ft at 12:15AM Jul 09, 2020Observed: 15.26 ft at 12:30AM Jul 09, 2020Observed: 15.29 ft at 12:45AM Jul 09, 2020Observed: 15.31 ft at 1:00AM Jul 09, 2020Observed: 15.34 ft at 1:15AM Jul 09, 2020Observed: 15.35 ft at 1:30AM Jul 09, 2020Observed: 15.4 ft at 1:45AM Jul 09, 2020Observed: 15.4 ft at 2:00AM Jul 09, 2020Observed: 15.4 ft at 2:15AM Jul 09, 2020Observed: 15.44 ft at 2:30AM Jul 09, 2020Observed: 15.47 ft at 2:45AM Jul 09, 2020Observed: 15.48 ft at 3:00AM Jul 09, 2020Observed: 15.5 ft at 3:15AM Jul 09, 2020Observed: 15.5 ft at 3:30AM Jul 09, 2020Observed: 15.56 ft at 3:45AM Jul 09, 2020Observed: 15.56 ft at 4:00AM Jul 09, 2020Observed: 15.58 ft at 4:15AM Jul 09, 2020Observed: 15.6 ft at 4:30AM Jul 09, 2020Observed: 15.61 ft at 4:45AM Jul 09, 2020Observed: 15.62 ft at 5:00AM Jul 09, 2020Observed: 15.63 ft at 5:15AM Jul 09, 2020Observed: 15.64 ft at 5:30AM Jul 09, 2020Observed: 15.59 ft at 5:45AM Jul 09, 2020Observed: 15.74 ft at 6:00AM Jul 09, 2020Observed: 15.8 ft at 6:15AM Jul 09, 2020Observed: 15.83 ft at 6:30AM Jul 09, 2020Observed: 15.87 ft at 6:45AM Jul 09, 2020Observed: 15.86 ft at 7:00AM Jul 09, 2020Observed: 15.89 ft at 7:15AM Jul 09, 2020Observed: 15.91 ft at 7:30AM Jul 09, 2020Observed: 15.95 ft at 7:45AM Jul 09, 2020Observed: 15.94 ft at 8:00AM Jul 09, 2020Observed: 15.95 ft at 8:15AM Jul 09, 2020Observed: 15.97 ft at 8:30AM Jul 09, 2020Observed: 15.97 ft at 8:45AM Jul 09, 2020Observed: 15.99 ft at 9:00AM Jul 09, 2020Observed: 16.03 ft at 9:15AM Jul 09, 2020Observed: 16.02 ft at 9:30AM Jul 09, 2020Observed: 16.05 ft at 9:45AM Jul 09, 2020Observed: 16.06 ft at 10:00AM Jul 09, 2020Observed: 16.08 ft at 10:15AM Jul 09, 2020Observed: 16.08 ft at 10:30AM Jul 09, 2020Observed: 16.1 ft at 10:45AM Jul 09, 2020Observed: 16.11 ft at 11:00AM Jul 09, 2020Observed: 16.11 ft at 11:15AM Jul 09, 2020Observed: 16.13 ft at 11:30AM Jul 09, 2020Observed: 16.14 ft at 11:45AM Jul 09, 2020Observed: 16.15 ft at 12:00PM Jul 09, 2020Observed: 16.14 ft at 12:15PM Jul 09, 2020Observed: 16.18 ft at 12:30PM Jul 09, 2020Observed: 16.18 ft at 12:45PM Jul 09, 2020Observed: 16.19 ft at 1:00PM Jul 09, 2020Observed: 16.2 ft at 1:15PM Jul 09, 2020Observed: 16.21 ft at 1:30PM Jul 09, 2020Observed: 16.22 ft at 1:45PM Jul 09, 2020Observed: 16.23 ft at 2:00PM Jul 09, 2020Observed: 16.23 ft at 2:01PM Jul 09, 2020Observed: 16.25 ft at 2:15PM Jul 09, 2020Observed: 16.25 ft at 2:16PM Jul 09, 2020Observed: 16.23 ft at 2:30PM Jul 09, 2020Observed: 16.23 ft at 2:31PM Jul 09, 2020Observed: 16.26 ft at 2:45PM Jul 09, 2020Observed: 16.27 ft at 3:00PM Jul 09, 2020Observed: 16.29 ft at 3:15PM Jul 09, 2020Observed: 16.28 ft at 3:30PM Jul 09, 2020Observed: 16.28 ft at 3:45PM Jul 09, 2020Observed: 16.28 ft at 4:00PM Jul 09, 2020Observed: 16.3 ft at 4:15PM Jul 09, 2020Observed: 16.32 ft at 4:30PM Jul 09, 2020Observed: 16.3 ft at 4:45PM Jul 09, 2020Observed: 16.31 ft at 5:00PM Jul 09, 2020Observed: 16.3 ft at 5:15PM Jul 09, 2020Observed: 16.32 ft at 5:30PM Jul 09, 2020Observed: 16.34 ft at 5:45PM Jul 09, 2020Observed: 16.34 ft at 6:00PM Jul 09, 2020Observed: 16.33 ft at 6:15PM Jul 09, 2020Observed: 16.34 ft at 6:30PM Jul 09, 2020Observed: 16.34 ft at 6:45PM Jul 09, 2020Highest Observation: 16.36 ft at 7:00PM Jul 09, 2020Observed: 16.35 ft at 7:15PM Jul 09, 2020Observed: 16.33 ft at 7:30PM Jul 09, 2020Observed: 16.33 ft at 7:45PM Jul 09, 2020Observed: 16.35 ft at 8:00PM Jul 09, 2020Observed: 16.35 ft at 8:15PM Jul 09, 2020Observed: 16.34 ft at 8:30PM Jul 09, 2020Observed: 16.35 ft at 8:45PM Jul 09, 2020Observed: 16.35 ft at 9:00PM Jul 09, 2020Observed: 16.34 ft at 9:15PM Jul 09, 2020Observed: 16.33 ft at 9:30PM Jul 09, 2020Observed: 16.34 ft at 9:45PM Jul 09, 2020Observed: 16.34 ft at 10:00PM Jul 09, 2020Observed: 16.33 ft at 10:15PM Jul 09, 2020Observed: 16.33 ft at 10:30PM Jul 09, 2020Observed: 16.32 ft at 10:45PM Jul 09, 2020Observed: 16.34 ft at 11:00PM Jul 09, 2020Observed: 16.32 ft at 11:15PM Jul 09, 2020Observed: 16.34 ft at 11:30PM Jul 09, 2020Observed: 16.32 ft at 11:45PM Jul 09, 2020Observed: 16.32 ft at 12:00AM Jul 10, 2020Observed: 16.32 ft at 12:15AM Jul 10, 2020Observed: 16.32 ft at 12:30AM Jul 10, 2020Observed: 16.31 ft at 12:45AM Jul 10, 2020Observed: 16.32 ft at 1:00AM Jul 10, 2020Observed: 16.32 ft at 1:15AM Jul 10, 2020Observed: 16.31 ft at 1:30AM Jul 10, 2020Observed: 16.29 ft at 1:45AM Jul 10, 2020Observed: 16.31 ft at 2:00AM Jul 10, 2020Observed: 16.28 ft at 2:15AM Jul 10, 2020Observed: 16.3 ft at 2:30AM Jul 10, 2020Observed: 16.3 ft at 2:45AM Jul 10, 2020Observed: 16.27 ft at 3:00AM Jul 10, 2020Observed: 16.26 ft at 3:15AM Jul 10, 2020Observed: 16.27 ft at 3:30AM Jul 10, 2020Observed: 16.27 ft at 3:45AM Jul 10, 2020Observed: 16.27 ft at 4:00AM Jul 10, 2020Observed: 16.26 ft at 4:15AM Jul 10, 2020Observed: 16.26 ft at 4:30AM Jul 10, 2020Observed: 16.24 ft at 4:45AM Jul 10, 2020Observed: 16.24 ft at 5:00AM Jul 10, 2020Observed: 16.24 ft at 5:15AM Jul 10, 2020Observed: 16.22 ft at 5:30AM Jul 10, 2020Observed: 16.23 ft at 5:45AM Jul 10, 2020Observed: 16.22 ft at 6:00AM Jul 10, 2020Observed: 16.21 ft at 6:15AM Jul 10, 2020Observed: 16.21 ft at 6:30AM Jul 10, 2020Observed: 16.21 ft at 6:45AM Jul 10, 2020Observed: 16.2 ft at 7:00AM Jul 10, 2020Observed: 16.17 ft at 7:15AM Jul 10, 2020Observed: 16.18 ft at 7:30AM Jul 10, 2020Observed: 16.16 ft at 7:45AM Jul 10, 2020Observed: 16.16 ft at 8:00AM Jul 10, 2020Observed: 16.15 ft at 8:15AM Jul 10, 2020Observed: 16.15 ft at 8:30AM Jul 10, 2020Observed: 16.13 ft at 8:45AM Jul 10, 2020Observed: 16.12 ft at 9:00AM Jul 10, 2020Observed: 16.11 ft at 9:15AM Jul 10, 2020Observed: 16.12 ft at 9:30AM Jul 10, 2020Observed: 16.11 ft at 9:45AM Jul 10, 2020Observed: 16.1 ft at 10:00AM Jul 10, 2020Observed: 16.1 ft at 10:15AM Jul 10, 2020Observed: 16.07 ft at 10:30AM Jul 10, 2020Observed: 16.07 ft at 10:45AM Jul 10, 2020Observed: 16.08 ft at 11:00AM Jul 10, 2020Observed: 16.08 ft at 11:15AM Jul 10, 2020Observed: 16.07 ft at 11:30AM Jul 10, 2020Observed: 16.04 ft at 11:45AM Jul 10, 2020Observed: 16.07 ft at 12:00PM Jul 10, 2020Observed: 16.05 ft at 12:15PM Jul 10, 2020Observed: 16.06 ft at 12:30PM Jul 10, 2020Observed: 16.03 ft at 12:45PM Jul 10, 2020Observed: 16.01 ft at 1:00PM Jul 10, 2020Observed: 15.98 ft at 1:15PM Jul 10, 2020Observed: 15.98 ft at 1:30PM Jul 10, 2020Observed: 15.97 ft at 1:45PM Jul 10, 2020Observed: 15.96 ft at 2:00PM Jul 10, 2020Observed: 15.92 ft at 2:15PM Jul 10, 2020Observed: 15.92 ft at 2:30PM Jul 10, 2020Observed: 15.91 ft at 2:45PM Jul 10, 2020Observed: 15.9 ft at 3:00PM Jul 10, 2020Observed: 15.9 ft at 3:15PM Jul 10, 2020Observed: 15.86 ft at 3:30PM Jul 10, 2020Observed: 15.85 ft at 3:45PM Jul 10, 2020Observed: 15.86 ft at 4:00PM Jul 10, 2020Observed: 15.85 ft at 4:15PM Jul 10, 2020Observed: 15.83 ft at 4:30PM Jul 10, 2020Observed: 15.8 ft at 4:45PM Jul 10, 2020Observed: 15.82 ft at 5:00PM Jul 10, 2020Observed: 15.77 ft at 5:15PM Jul 10, 2020Observed: 15.8 ft at 5:30PM Jul 10, 2020Observed: 15.78 ft at 5:45PM Jul 10, 2020Observed: 15.77 ft at 6:00PM Jul 10, 2020Observed: 15.74 ft at 6:15PM Jul 10, 2020Observed: 15.77 ft at 6:30PM Jul 10, 2020Observed: 15.74 ft at 6:45PM Jul 10, 2020Observed: 15.7 ft at 7:00PM Jul 10, 2020Observed: 15.71 ft at 7:15PM Jul 10, 2020Observed: 15.68 ft at 7:30PM Jul 10, 2020Observed: 15.7 ft at 7:45PM Jul 10, 2020Observed: 15.68 ft at 8:00PM Jul 10, 2020Observed: 15.66 ft at 8:15PM Jul 10, 2020Observed: 15.66 ft at 8:30PM Jul 10, 2020Observed: 15.65 ft at 8:45PM Jul 10, 2020Observed: 15.63 ft at 9:00PM Jul 10, 2020Observed: 15.61 ft at 9:15PM Jul 10, 2020Observed: 15.6 ft at 9:30PM Jul 10, 2020Observed: 15.57 ft at 9:45PM Jul 10, 2020Observed: 15.56 ft at 10:00PM Jul 10, 2020Observed: 15.56 ft at 10:15PM Jul 10, 2020Observed: 15.55 ft at 10:30PM Jul 10, 2020Observed: 15.53 ft at 10:45PM Jul 10, 2020Observed: 15.5 ft at 11:00PM Jul 10, 2020Observed: 15.5 ft at 11:15PM Jul 10, 2020Observed: 15.49 ft at 11:30PM Jul 10, 2020Observed: 15.49 ft at 11:45PM Jul 10, 2020Observed: 15.47 ft at 12:00AM Jul 11, 2020Observed: 15.46 ft at 12:15AM Jul 11, 2020Observed: 15.46 ft at 12:30AM Jul 11, 2020Observed: 15.41 ft at 12:45AM Jul 11, 2020Observed: 15.37 ft at 1:00AM Jul 11, 2020Observed: 15.42 ft at 1:15AM Jul 11, 2020Observed: 15.39 ft at 1:30AM Jul 11, 2020Observed: 15.35 ft at 1:45AM Jul 11, 2020Observed: 15.39 ft at 2:00AM Jul 11, 2020Observed: 15.37 ft at 2:15AM Jul 11, 2020Observed: 15.36 ft at 2:30AM Jul 11, 2020Observed: 15.36 ft at 2:45AM Jul 11, 2020Observed: 15.33 ft at 3:00AM Jul 11, 2020Observed: 15.33 ft at 3:15AM Jul 11, 2020Observed: 15.32 ft at 3:30AM Jul 11, 2020Observed: 15.32 ft at 3:45AM Jul 11, 2020Observed: 15.28 ft at 4:00AM Jul 11, 2020Observed: 15.27 ft at 4:15AM Jul 11, 2020Observed: 15.29 ft at 4:30AM Jul 11, 2020Observed: 15.26 ft at 4:45AM Jul 11, 2020Observed: 15.26 ft at 5:00AM Jul 11, 2020Observed: 15.23 ft at 5:15AM Jul 11, 2020Observed: 15.22 ft at 5:30AM Jul 11, 2020Observed: 15.23 ft at 5:45AM Jul 11, 2020Observed: 15.2 ft at 6:00AM Jul 11, 2020Observed: 15.2 ft at 6:01AM Jul 11, 2020Observed: 15.19 ft at 6:15AM Jul 11, 2020Observed: 15.19 ft at 6:16AM Jul 11, 2020Observed: 15.18 ft at 6:30AM Jul 11, 2020Observed: 15.18 ft at 6:31AM Jul 11, 2020Observed: 15.16 ft at 6:45AM Jul 11, 2020Observed: 15.15 ft at 7:00AM Jul 11, 2020Observed: 15.16 ft at 7:15AM Jul 11, 2020Observed: 15.13 ft at 7:30AM Jul 11, 2020Observed: 15.11 ft at 7:45AM Jul 11, 2020Observed: 15.13 ft at 8:00AM Jul 11, 2020Observed: 15.12 ft at 8:15AM Jul 11, 2020Observed: 15.11 ft at 8:30AM Jul 11, 2020Observed: 15.09 ft at 8:45AM Jul 11, 2020Observed: 15.08 ft at 9:00AM Jul 11, 2020Observed: 15.06 ft at 9:15AM Jul 11, 2020Observed: 15.04 ft at 9:30AM Jul 11, 2020Observed: 15.05 ft at 9:45AM Jul 11, 2020Observed: 15.03 ft at 10:00AM Jul 11, 2020Observed: 15.06 ft at 10:15AM Jul 11, 2020Observed: 15.03 ft at 10:30AM Jul 11, 2020Observed: 15.02 ft at 10:45AM Jul 11, 2020Observed: 15.03 ft at 11:00AM Jul 11, 2020Observed: 15 ft at 11:15AM Jul 11, 2020Observed: 15.02 ft at 11:30AM Jul 11, 2020Observed: 15.01 ft at 11:45AM Jul 11, 2020Observed: 14.99 ft at 12:00PM Jul 11, 2020Observed: 14.98 ft at 12:15PM Jul 11, 2020Observed: 14.99 ft at 12:30PM Jul 11, 2020Observed: 14.93 ft at 12:45PM Jul 11, 2020Observed: 14.94 ft at 1:00PM Jul 11, 2020Observed: 14.93 ft at 1:15PM Jul 11, 2020Observed: 14.91 ft at 1:30PM Jul 11, 2020Observed: 14.94 ft at 1:45PM Jul 11, 2020Observed: 14.93 ft at 2:00PM Jul 11, 2020Observed: 14.93 ft at 2:01PM Jul 11, 2020Observed: 14.87 ft at 2:15PM Jul 11, 2020Observed: 14.87 ft at 2:16PM Jul 11, 2020Observed: 14.9 ft at 2:30PM Jul 11, 2020Observed: 14.9 ft at 2:31PM Jul 11, 2020Observed: 14.9 ft at 2:45PM Jul 11, 2020Observed: 14.85 ft at 3:00PM Jul 11, 2020Observed: 14.84 ft at 3:15PM Jul 11, 2020Observed: 14.84 ft at 3:30PM Jul 11, 2020Observed: 14.82 ft at 3:45PM Jul 11, 2020Observed: 14.82 ft at 4:00PM Jul 11, 2020Observed: 14.78 ft at 4:15PM Jul 11, 2020Observed: 14.81 ft at 4:30PM Jul 11, 2020Observed: 14.81 ft at 4:45PM Jul 11, 2020Observed: 14.77 ft at 5:00PM Jul 11, 2020Observed: 14.78 ft at 5:15PM Jul 11, 2020Observed: 14.74 ft at 5:30PM Jul 11, 2020Observed: 14.75 ft at 5:45PM Jul 11, 2020Observed: 14.73 ft at 6:00PM Jul 11, 2020Observed: 14.75 ft at 6:15PM Jul 11, 2020Observed: 14.75 ft at 6:30PM Jul 11, 2020Observed: 14.73 ft at 6:45PM Jul 11, 2020Observed: 14.76 ft at 7:00PM Jul 11, 2020Observed: 14.72 ft at 7:15PM Jul 11, 2020Observed: 14.73 ft at 7:30PM Jul 11, 2020Observed: 14.72 ft at 7:45PM Jul 11, 2020Observed: 14.72 ft at 8:00PM Jul 11, 2020Observed: 14.7 ft at 8:15PM Jul 11, 2020Observed: 14.7 ft at 8:30PM Jul 11, 2020Observed: 14.71 ft at 8:45PM Jul 11, 2020Observed: 14.69 ft at 9:00PM Jul 11, 2020Observed: 14.67 ft at 9:15PM Jul 11, 2020Observed: 14.67 ft at 9:30PM Jul 11, 2020Observed: 14.66 ft at 9:45PM Jul 11, 2020Observed: 14.66 ft at 10:00PM Jul 11, 2020Observed: 14.66 ft at 10:01PM Jul 11, 2020Observed: 14.64 ft at 10:15PM Jul 11, 2020Observed: 14.64 ft at 10:16PM Jul 11, 2020Observed: 14.64 ft at 10:30PM Jul 11, 2020Observed: 14.64 ft at 10:31PM Jul 11, 2020Observed: 14.63 ft at 10:45PM Jul 11, 2020Observed: 14.63 ft at 11:00PM Jul 11, 2020Observed: 14.61 ft at 11:15PM Jul 11, 2020Observed: 14.59 ft at 11:30PM Jul 11, 2020Observed: 14.61 ft at 11:45PM Jul 11, 2020Observed: 14.58 ft at 12:00AM Jul 12, 2020Observed: 14.56 ft at 12:15AM Jul 12, 2020Observed: 14.55 ft at 12:30AM Jul 12, 2020Observed: 14.54 ft at 12:45AM Jul 12, 2020Observed: 14.56 ft at 1:00AM Jul 12, 2020Observed: 14.56 ft at 1:15AM Jul 12, 2020Observed: 14.55 ft at 1:30AM Jul 12, 2020Observed: 14.52 ft at 1:45AM Jul 12, 2020Observed: 14.51 ft at 2:00AM Jul 12, 2020Observed: 14.54 ft at 2:15AM Jul 12, 2020Observed: 14.5 ft at 2:30AM Jul 12, 2020Observed: 14.51 ft at 2:45AM Jul 12, 2020Observed: 14.5 ft at 3:00AM Jul 12, 2020Observed: 14.49 ft at 3:15AM Jul 12, 2020Observed: 14.45 ft at 3:30AM Jul 12, 2020Observed: 14.45 ft at 3:45AM Jul 12, 2020Observed: 14.48 ft at 4:00AM Jul 12, 2020Observed: 14.46 ft at 4:15AM Jul 12, 2020Observed: 14.44 ft at 4:30AM Jul 12, 2020Observed: 14.42 ft at 4:45AM Jul 12, 2020Observed: 14.43 ft at 5:00AM Jul 12, 2020Observed: 14.42 ft at 5:15AM Jul 12, 2020Observed: 14.41 ft at 5:30AM Jul 12, 2020Observed: 14.42 ft at 5:45AM Jul 12, 2020Observed: 14.38 ft at 6:00AM Jul 12, 2020Observed: 14.4 ft at 6:15AM Jul 12, 2020Observed: 14.4 ft at 6:17AM Jul 12, 2020Observed: 14.38 ft at 6:30AM Jul 12, 2020Observed: 14.38 ft at 6:32AM Jul 12, 2020Observed: 14.38 ft at 6:45AM Jul 12, 2020Observed: 14.38 ft at 6:47AM Jul 12, 2020Observed: 14.36 ft at 7:00AM Jul 12, 2020Observed: 14.37 ft at 7:15AM Jul 12, 2020Observed: 14.37 ft at 7:30AM Jul 12, 2020Observed: 14.36 ft at 7:45AM Jul 12, 2020Observed: 14.35 ft at 8:00AM Jul 12, 2020Observed: 14.32 ft at 8:15AM Jul 12, 2020Observed: 14.34 ft at 8:30AM Jul 12, 2020Observed: 14.32 ft at 8:45AM Jul 12, 2020Observed: 14.32 ft at 9:00AM Jul 12, 2020Observed: 14.28 ft at 9:15AM Jul 12, 2020Observed: 14.29 ft at 9:30AM Jul 12, 2020Observed: 14.3 ft at 9:45AM Jul 12, 2020Observed: 14.28 ft at 10:00AM Jul 12, 2020Observed: 14.28 ft at 10:15AM Jul 12, 2020Observed: 14.26 ft at 10:30AM Jul 12, 2020Observed: 14.3 ft at 10:45AM Jul 12, 2020Observed: 14.26 ft at 11:00AM Jul 12, 2020Observed: 14.23 ft at 11:15AM Jul 12, 2020Observed: 14.27 ft at 11:30AM Jul 12, 2020Observed: 14.27 ft at 11:45AM Jul 12, 2020Observed: 14.23 ft at 12:00PM Jul 12, 2020Observed: 14.23 ft at 12:15PM Jul 12, 2020Observed: 14.25 ft at 12:30PM Jul 12, 2020Observed: 14.24 ft at 12:45PM Jul 12, 2020Observed: 14.2 ft at 1:00PM Jul 12, 2020Observed: 14.23 ft at 1:15PM Jul 12, 2020Observed: 14.23 ft at 1:30PM Jul 12, 2020Observed: 14.16 ft at 1:45PM Jul 12, 2020Observed: 14.2 ft at 2:00PM Jul 12, 2020Observed: 14.18 ft at 2:15PM Jul 12, 2020Observed: 14.18 ft at 2:17PM Jul 12, 2020Observed: 14.15 ft at 2:30PM Jul 12, 2020Observed: 14.15 ft at 2:32PM Jul 12, 2020Observed: 14.14 ft at 2:45PM Jul 12, 2020Observed: 14.14 ft at 2:47PM Jul 12, 2020Observed: 14.15 ft at 3:00PM Jul 12, 2020Observed: 14.13 ft at 3:15PM Jul 12, 2020Observed: 14.17 ft at 3:30PM Jul 12, 2020Observed: 14.13 ft at 3:45PM Jul 12, 2020Observed: 14.11 ft at 4:00PM Jul 12, 2020Observed: 14.12 ft at 4:15PM Jul 12, 2020Observed: 14.17 ft at 4:30PM Jul 12, 2020Observed: 14.12 ft at 4:45PM Jul 12, 2020Observed: 14.11 ft at 5:00PM Jul 12, 2020Observed: 14.08 ft at 5:15PM Jul 12, 2020Observed: 14.09 ft at 5:30PM Jul 12, 2020Observed: 14.11 ft at 5:45PM Jul 12, 2020Observed: 14.09 ft at 6:00PM Jul 12, 2020Observed: 14.09 ft at 6:15PM Jul 12, 2020Observed: 14.1 ft at 6:30PM Jul 12, 2020Observed: 14.06 ft at 6:45PM Jul 12, 2020Observed: 14.04 ft at 7:00PM Jul 12, 2020Observed: 14.08 ft at 7:15PM Jul 12, 2020Observed: 14.08 ft at 7:30PM Jul 12, 2020Observed: 14.05 ft at 7:45PM Jul 12, 2020Observed: 14.04 ft at 8:00PM Jul 12, 2020Observed: 14.03 ft at 8:15PM Jul 12, 2020Observed: 14.05 ft at 8:30PM Jul 12, 2020Observed: 14.05 ft at 8:45PM Jul 12, 2020Observed: 13.99 ft at 9:00PM Jul 12, 2020Observed: 14 ft at 9:15PM Jul 12, 2020Observed: 13.98 ft at 9:30PM Jul 12, 2020Observed: 13.96 ft at 9:45PM Jul 12, 2020Observed: 13.95 ft at 10:00PM Jul 12, 2020Observed: 14.01 ft at 10:15PM Jul 12, 2020Observed: 14.01 ft at 10:16PM Jul 12, 2020Observed: 13.97 ft at 10:30PM Jul 12, 2020Observed: 13.97 ft at 10:31PM Jul 12, 2020Observed: 13.98 ft at 10:45PM Jul 12, 2020Observed: 13.98 ft at 10:46PM Jul 12, 2020Observed: 13.95 ft at 11:00PM Jul 12, 2020Observed: 13.93 ft at 11:15PM Jul 12, 2020Observed: 13.94 ft at 11:30PM Jul 12, 2020Observed: 13.96 ft at 11:45PM Jul 12, 2020Observed: 13.92 ft at 12:00AM Jul 13, 2020Observed: 13.93 ft at 12:15AM Jul 13, 2020Observed: 13.93 ft at 12:30AM Jul 13, 2020Observed: 13.88 ft at 12:45AM Jul 13, 2020Observed: 13.88 ft at 1:00AM Jul 13, 2020Observed: 13.92 ft at 1:15AM Jul 13, 2020Observed: 13.9 ft at 1:30AM Jul 13, 2020Observed: 13.91 ft at 1:45AM Jul 13, 2020Observed: 13.89 ft at 2:00AM Jul 13, 2020Observed: 13.89 ft at 2:15AM Jul 13, 2020Observed: 13.9 ft at 2:30AM Jul 13, 2020Observed: 13.88 ft at 2:45AM Jul 13, 2020Observed: 13.87 ft at 3:00AM Jul 13, 2020Observed: 13.88 ft at 3:15AM Jul 13, 2020Observed: 13.86 ft at 3:30AM Jul 13, 2020Observed: 13.85 ft at 3:45AM Jul 13, 2020Observed: 13.88 ft at 4:00AM Jul 13, 2020Observed: 13.82 ft at 4:15AM Jul 13, 2020Observed: 13.84 ft at 4:30AM Jul 13, 2020Observed: 13.82 ft at 4:45AM Jul 13, 2020Observed: 13.84 ft at 5:00AM Jul 13, 2020Observed: 13.86 ft at 5:15AM Jul 13, 2020Observed: 13.82 ft at 5:30AM Jul 13, 2020Observed: 13.8 ft at 5:45AM Jul 13, 2020Observed: 13.83 ft at 6:00AM Jul 13, 2020Observed: 13.81 ft at 6:15AM Jul 13, 2020Observed: 13.81 ft at 6:16AM Jul 13, 2020Observed: 13.8 ft at 6:30AM Jul 13, 2020Observed: 13.8 ft at 6:31AM Jul 13, 2020Observed: 13.83 ft at 6:45AM Jul 13, 2020Observed: 13.83 ft at 6:46AM Jul 13, 2020Observed: 13.8 ft at 7:00AM Jul 13, 2020Observed: 13.77 ft at 7:15AM Jul 13, 2020Observed: 13.79 ft at 7:30AM Jul 13, 2020Observed: 13.83 ft at 7:45AM Jul 13, 2020Observed: 13.8 ft at 8:00AM Jul 13, 2020Observed: 13.76 ft at 8:15AM Jul 13, 2020Observed: 13.75 ft at 8:30AM Jul 13, 2020Observed: 13.78 ft at 8:45AM Jul 13, 2020Observed: 13.79 ft at 9:00AM Jul 13, 2020Observed: 13.75 ft at 9:15AM Jul 13, 2020Observed: 13.76 ft at 9:30AM Jul 13, 2020Observed: 13.75 ft at 9:45AM Jul 13, 2020Observed: 13.74 ft at 10:00AM Jul 13, 2020Observed: 13.77 ft at 10:15AM Jul 13, 2020Observed: 13.7 ft at 10:30AM Jul 13, 2020Observed: 13.71 ft at 10:45AM Jul 13, 2020Observed: 13.71 ft at 11:00AM Jul 13, 2020Observed: 13.69 ft at 11:15AM Jul 13, 2020Observed: 13.73 ft at 11:30AM Jul 13, 2020Observed: 13.74 ft at 11:45AM Jul 13, 2020Observed: 13.73 ft at 12:00PM Jul 13, 2020Observed: 13.69 ft at 12:15PM Jul 13, 2020Observed: 13.7 ft at 12:30PM Jul 13, 2020Observed: 13.7 ft at 12:45PM Jul 13, 2020Observed: 13.73 ft at 1:00PM Jul 13, 2020Observed: 13.68 ft at 1:15PM Jul 13, 2020Observed: 13.72 ft at 1:30PM Jul 13, 2020Observed: 13.73 ft at 1:45PM Jul 13, 2020Observed: 13.7 ft at 2:00PM Jul 13, 2020Observed: 13.67 ft at 2:15PM Jul 13, 2020Observed: 13.67 ft at 2:16PM Jul 13, 2020Observed: 13.67 ft at 2:30PM Jul 13, 2020Observed: 13.67 ft at 2:31PM Jul 13, 2020Observed: 13.7 ft at 2:45PM Jul 13, 2020Observed: 13.7 ft at 2:46PM Jul 13, 2020Observed: 13.68 ft at 3:00PM Jul 13, 2020Observed: 13.68 ft at 3:15PM Jul 13, 2020Observed: 13.64 ft at 3:30PM Jul 13, 2020Observed: 13.65 ft at 3:45PM Jul 13, 2020Observed: 13.63 ft at 4:00PM Jul 13, 2020Observed: 13.61 ft at 4:15PM Jul 13, 2020Observed: 13.6 ft at 4:30PM Jul 13, 2020Observed: 13.62 ft at 4:45PM Jul 13, 2020Observed: 13.66 ft at 5:00PM Jul 13, 2020Observed: 13.64 ft at 5:15PM Jul 13, 2020Observed: 13.61 ft at 5:30PM Jul 13, 2020Observed: 13.57 ft at 5:45PM Jul 13, 2020Observed: 13.61 ft at 6:00PM Jul 13, 2020Observed: 13.62 ft at 6:15PM Jul 13, 2020Observed: 13.59 ft at 6:30PM Jul 13, 2020Observed: 13.58 ft at 6:45PM Jul 13, 2020Observed: 13.59 ft at 7:00PM Jul 13, 2020Observed: 13.59 ft at 7:15PM Jul 13, 2020Observed: 13.61 ft at 7:30PM Jul 13, 2020Observed: 13.61 ft at 7:45PM Jul 13, 2020Observed: 13.54 ft at 8:00PM Jul 13, 2020Observed: 13.56 ft at 8:15PM Jul 13, 2020Observed: 13.62 ft at 8:30PM Jul 13, 2020Observed: 13.56 ft at 8:45PM Jul 13, 2020Observed: 13.56 ft at 9:00PM Jul 13, 2020Observed: 13.51 ft at 9:15PM Jul 13, 2020Observed: 13.48 ft at 9:30PM Jul 13, 2020Observed: 13.56 ft at 9:45PM Jul 13, 2020Observed: 13.53 ft at 10:00PM Jul 13, 2020Observed: 13.5 ft at 10:15PM Jul 13, 2020Observed: 13.5 ft at 10:16PM Jul 13, 2020Observed: 13.54 ft at 10:30PM Jul 13, 2020Observed: 13.54 ft at 10:31PM Jul 13, 2020Observed: 13.52 ft at 10:45PM Jul 13, 2020Observed: 13.52 ft at 10:46PM Jul 13, 2020Observed: 13.53 ft at 11:00PM Jul 13, 2020Observed: 13.49 ft at 11:15PM Jul 13, 2020Observed: 13.5 ft at 11:30PM Jul 13, 2020Observed: 13.49 ft at 11:45PM Jul 13, 2020Observed: 13.45 ft at 12:00AM Jul 14, 2020Observed: 13.51 ft at 12:15AM Jul 14, 2020Observed: 13.49 ft at 12:30AM Jul 14, 2020Observed: 13.46 ft at 12:45AM Jul 14, 2020Observed: 13.48 ft at 1:00AM Jul 14, 2020Observed: 13.42 ft at 1:15AM Jul 14, 2020Observed: 13.43 ft at 1:30AM Jul 14, 2020Observed: 13.47 ft at 1:45AM Jul 14, 2020Observed: 13.43 ft at 2:00AM Jul 14, 2020Observed: 13.4 ft at 2:15AM Jul 14, 2020Observed: 13.54 ft at 2:30AM Jul 14, 2020Observed: 13.5 ft at 2:45AM Jul 14, 2020Observed: 13.51 ft at 3:00AM Jul 14, 2020Observed: 13.49 ft at 3:15AM Jul 14, 2020Observed: 13.49 ft at 3:30AM Jul 14, 2020Observed: 13.49 ft at 3:45AM Jul 14, 2020Observed: 13.53 ft at 4:00AM Jul 14, 2020Observed: 13.48 ft at 4:15AM Jul 14, 2020Observed: 13.5 ft at 4:30AM Jul 14, 2020Observed: 13.48 ft at 4:45AM Jul 14, 2020Observed: 13.44 ft at 5:00AM Jul 14, 2020Observed: 13.48 ft at 5:15AM Jul 14, 2020Observed: 13.46 ft at 5:30AM Jul 14, 2020Observed: 13.43 ft at 5:45AM Jul 14, 2020Observed: 13.45 ft at 6:00AM Jul 14, 2020Observed: 13.44 ft at 6:15AM Jul 14, 2020Observed: 13.47 ft at 6:30AM Jul 14, 2020USGS--Water Resources of the United StatesSXCI4(plotting HGIRG) Graph Created (7:04AM Jul 14, 2020)ObservedLatest observed value: 13.47 ft at 6:30 AM CDT 14-Jul-2020. Flood Stage is 32 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Big Sioux River at Sioux City are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Upstream Gauge - near Jefferson Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 41
Moderate Flood Stage: 38
Flood Stage: 32
Action Stage: 29
Low Stage (in feet): -9999

Historic Crests
(1) 37.70 ft on 06/20/2014
(2) 37.46 ft on 03/17/2019
(3) 30.50 ft on 06/25/2018 (P)
(4) 19.04 ft on 05/04/2016
(5) 17.73 ft on 05/26/2017
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 37.46 ft on 03/17/2019
(2) 30.50 ft on 06/25/2018 (P)
(3) 17.73 ft on 05/26/2017
(4) 19.04 ft on 05/04/2016
(5) 15.09 ft on 07/10/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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

Zoom Level:14
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
43.5 the lower levees in the Iowa Riverside community are in danger of being overtopped if not sandbagged.
41 sandbagging is needed to protect Interstate 29 from flooding.
38 most of the storm drains are submerged.
32 agricultural land north of the leveed area begins to flood.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 42.524444° N, Longitude: 96.480000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 32 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 1060.00 1092.00 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 Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
Flood stage and impact levels have recently changed due to a change in the zero datum for this gauge. How low could the river get?
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
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
Ask Questions/Webmaster
Page last modified: 4-Mar-2019 11:29 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities