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Hydrograph River at a Glance Download
Big Sioux River at Sioux City Stage (ft)Flow (kcfs)Observed: 12 ft at 7:15PM Jun 30, 2015Observed: 12.01 ft at 7:30PM Jun 30, 2015Observed: 12 ft at 7:45PM Jun 30, 2015Observed: 12 ft at 7:46PM Jun 30, 2015Observed: 11.99 ft at 8:00PM Jun 30, 2015Observed: 11.99 ft at 8:01PM Jun 30, 2015Observed: 11.98 ft at 8:15PM Jun 30, 2015Observed: 11.98 ft at 8:16PM Jun 30, 2015Observed: 12 ft at 8:30PM Jun 30, 2015Observed: 11.99 ft at 8:45PM Jun 30, 2015Observed: 12 ft at 9:00PM Jun 30, 2015Observed: 11.98 ft at 9:15PM Jun 30, 2015Observed: 11.99 ft at 9:30PM Jun 30, 2015Observed: 11.99 ft at 9:45PM Jun 30, 2015Observed: 11.99 ft at 10:00PM Jun 30, 2015Observed: 12 ft at 10:15PM Jun 30, 2015Observed: 11.96 ft at 10:30PM Jun 30, 2015Observed: 12 ft at 10:45PM Jun 30, 2015Observed: 12 ft at 11:00PM Jun 30, 2015Observed: 12 ft at 11:15PM Jun 30, 2015Observed: 12 ft at 11:30PM Jun 30, 2015Observed: 12.01 ft at 11:45PM Jun 30, 2015Observed: 11.99 ft at 12:00AM Jul 01, 2015Observed: 11.98 ft at 12:15AM Jul 01, 2015Observed: 12 ft at 12:30AM Jul 01, 2015Observed: 12 ft at 2:45AM Jul 01, 2015Observed: 11.98 ft at 3:00AM Jul 01, 2015Observed: 11.99 ft at 3:15AM Jul 01, 2015Observed: 11.98 ft at 3:30AM Jul 01, 2015Observed: 11.99 ft at 3:45AM Jul 01, 2015Observed: 11.99 ft at 3:46AM Jul 01, 2015Observed: 12 ft at 4:00AM Jul 01, 2015Observed: 12 ft at 4:01AM Jul 01, 2015Observed: 12 ft at 4:15AM Jul 01, 2015Observed: 12 ft at 4:16AM Jul 01, 2015Observed: 11.97 ft at 4:30AM Jul 01, 2015Observed: 11.98 ft at 4:45AM Jul 01, 2015Observed: 11.97 ft at 5:00AM Jul 01, 2015Observed: 12.01 ft at 5:15AM Jul 01, 2015Observed: 11.99 ft at 5:30AM Jul 01, 2015Observed: 12.01 ft at 5:45AM Jul 01, 2015Observed: 11.99 ft at 6:00AM Jul 01, 2015Observed: 12 ft at 6:15AM Jul 01, 2015Observed: 12 ft at 6:30AM Jul 01, 2015Observed: 11.99 ft at 6:45AM Jul 01, 2015Observed: 12 ft at 7:00AM Jul 01, 2015Observed: 11.99 ft at 7:15AM Jul 01, 2015Observed: 11.99 ft at 7:30AM Jul 01, 2015Observed: 12.05 ft at 7:45AM Jul 01, 2015Observed: 12.04 ft at 8:00AM Jul 01, 2015Observed: 12.04 ft at 8:15AM Jul 01, 2015Observed: 12.02 ft at 8:30AM Jul 01, 2015Observed: 12.02 ft at 8:45AM Jul 01, 2015Observed: 12.03 ft at 9:00AM Jul 01, 2015Observed: 12.04 ft at 9:15AM Jul 01, 2015Observed: 12.07 ft at 9:30AM Jul 01, 2015Observed: 12.02 ft at 9:45AM Jul 01, 2015Observed: 12.01 ft at 10:00AM Jul 01, 2015Observed: 12.06 ft at 10:15AM Jul 01, 2015Observed: 12.06 ft at 10:30AM Jul 01, 2015Observed: 12.05 ft at 10:45AM Jul 01, 2015Observed: 12.07 ft at 11:00AM Jul 01, 2015Observed: 12.07 ft at 11:15AM Jul 01, 2015Observed: 12.08 ft at 11:30AM Jul 01, 2015Observed: 12.07 ft at 12:45PM Jul 01, 2015Observed: 12.07 ft at 1:00PM Jul 01, 2015Observed: 12.05 ft at 1:15PM Jul 01, 2015Observed: 12.07 ft at 1:30PM Jul 01, 2015Observed: 12.08 ft at 1:45PM Jul 01, 2015Observed: 12.06 ft at 2:00PM Jul 01, 2015Observed: 12.07 ft at 2:15PM Jul 01, 2015Observed: 12.06 ft at 2:30PM Jul 01, 2015Observed: 12.06 ft at 2:45PM Jul 01, 2015Observed: 12.07 ft at 3:00PM Jul 01, 2015Observed: 12.09 ft at 3:15PM Jul 01, 2015Observed: 12.06 ft at 3:30PM Jul 01, 2015Observed: 12.05 ft at 3:45PM Jul 01, 2015Observed: 12.06 ft at 4:00PM Jul 01, 2015Observed: 12.08 ft at 4:15PM Jul 01, 2015Observed: 12.08 ft at 4:30PM Jul 01, 2015Observed: 12.09 ft at 5:45PM Jul 01, 2015Observed: 12.08 ft at 6:00PM Jul 01, 2015Observed: 12.08 ft at 6:15PM Jul 01, 2015Observed: 12.08 ft at 6:30PM Jul 01, 2015Observed: 12.09 ft at 6:45PM Jul 01, 2015Observed: 12.11 ft at 7:00PM Jul 01, 2015Observed: 12.09 ft at 7:15PM Jul 01, 2015Observed: 12.08 ft at 7:30PM Jul 01, 2015Observed: 12.08 ft at 7:45PM Jul 01, 2015Observed: 12.1 ft at 8:00PM Jul 01, 2015Observed: 12.1 ft at 8:02PM Jul 01, 2015Observed: 12.09 ft at 8:15PM Jul 01, 2015Observed: 12.09 ft at 8:17PM Jul 01, 2015Observed: 12.1 ft at 8:30PM Jul 01, 2015Observed: 12.1 ft at 8:32PM Jul 01, 2015Observed: 12.09 ft at 8:45PM Jul 01, 2015Observed: 12.11 ft at 9:00PM Jul 01, 2015Observed: 12.1 ft at 9:15PM Jul 01, 2015Observed: 12.1 ft at 9:30PM Jul 01, 2015Observed: 12.1 ft at 9:45PM Jul 01, 2015Observed: 12.12 ft at 10:00PM Jul 01, 2015Observed: 12.13 ft at 10:15PM Jul 01, 2015Observed: 12.13 ft at 10:30PM Jul 01, 2015Observed: 12.1 ft at 10:45PM Jul 01, 2015Observed: 12.13 ft at 11:00PM Jul 01, 2015Observed: 12.13 ft at 11:15PM Jul 01, 2015Observed: 12.14 ft at 11:30PM Jul 01, 2015Observed: 12.15 ft at 12:45AM Jul 02, 2015Observed: 12.14 ft at 1:00AM Jul 02, 2015Observed: 12.16 ft at 1:15AM Jul 02, 2015Observed: 12.15 ft at 1:30AM Jul 02, 2015Observed: 12.16 ft at 1:45AM Jul 02, 2015Observed: 12.15 ft at 2:00AM Jul 02, 2015Observed: 12.17 ft at 2:15AM Jul 02, 2015Observed: 12.16 ft at 2:30AM Jul 02, 2015Observed: 12.19 ft at 4:00AM Jul 02, 2015Observed: 12.18 ft at 4:15AM Jul 02, 2015Observed: 12.17 ft at 4:30AM Jul 02, 2015Observed: 12.17 ft at 4:45AM Jul 02, 2015Observed: 12.19 ft at 5:00AM Jul 02, 2015Observed: 12.19 ft at 5:15AM Jul 02, 2015Observed: 12.18 ft at 5:30AM Jul 02, 2015Observed: 12.19 ft at 5:45AM Jul 02, 2015Observed: 12.2 ft at 6:00AM Jul 02, 2015Observed: 12.18 ft at 6:15AM Jul 02, 2015Observed: 12.2 ft at 6:30AM Jul 02, 2015Observed: 12.19 ft at 6:45AM Jul 02, 2015Observed: 12.18 ft at 7:00AM Jul 02, 2015Observed: 12.21 ft at 7:15AM Jul 02, 2015Observed: 12.19 ft at 7:30AM Jul 02, 2015Observed: 12.22 ft at 9:45AM Jul 02, 2015Observed: 12.24 ft at 10:00AM Jul 02, 2015Observed: 12.23 ft at 10:15AM Jul 02, 2015Observed: 12.21 ft at 10:30AM Jul 02, 2015Observed: 12.23 ft at 10:45AM Jul 02, 2015Observed: 12.23 ft at 11:00AM Jul 02, 2015Observed: 12.23 ft at 11:15AM Jul 02, 2015Observed: 12.22 ft at 11:30AM Jul 02, 2015Observed: 12.19 ft at 11:45AM Jul 02, 2015Observed: 12.21 ft at 12:00PM Jul 02, 2015Observed: 12.21 ft at 12:02PM Jul 02, 2015Observed: 12.21 ft at 12:15PM Jul 02, 2015Observed: 12.21 ft at 12:17PM Jul 02, 2015Observed: 12.22 ft at 12:30PM Jul 02, 2015Observed: 12.22 ft at 12:32PM Jul 02, 2015Observed: 12.21 ft at 1:45PM Jul 02, 2015Observed: 12.22 ft at 2:00PM Jul 02, 2015Observed: 12.22 ft at 2:15PM Jul 02, 2015Observed: 12.19 ft at 2:30PM Jul 02, 2015Observed: 12.19 ft at 4:45PM Jul 02, 2015Observed: 12.2 ft at 5:00PM Jul 02, 2015Observed: 12.2 ft at 5:15PM Jul 02, 2015Observed: 12.2 ft at 5:30PM Jul 02, 2015Observed: 12.2 ft at 5:45PM Jul 02, 2015Observed: 12.19 ft at 6:00PM Jul 02, 2015Observed: 12.2 ft at 6:15PM Jul 02, 2015Observed: 12.19 ft at 6:30PM Jul 02, 2015Observed: 12.21 ft at 6:45PM Jul 02, 2015Observed: 12.19 ft at 7:00PM Jul 02, 2015Observed: 12.18 ft at 7:15PM Jul 02, 2015Observed: 12.18 ft at 7:30PM Jul 02, 2015Observed: 12.2 ft at 7:45PM Jul 02, 2015Observed: 12.21 ft at 8:00PM Jul 02, 2015Observed: 12.21 ft at 8:01PM Jul 02, 2015Observed: 12.18 ft at 8:15PM Jul 02, 2015Observed: 12.18 ft at 8:16PM Jul 02, 2015Observed: 12.19 ft at 8:30PM Jul 02, 2015Observed: 12.19 ft at 8:31PM Jul 02, 2015Observed: 12.19 ft at 8:45PM Jul 02, 2015Observed: 12.2 ft at 9:00PM Jul 02, 2015Observed: 12.19 ft at 9:15PM Jul 02, 2015Observed: 12.18 ft at 9:30PM Jul 02, 2015Observed: 12.19 ft at 9:45PM Jul 02, 2015Observed: 12.19 ft at 10:00PM Jul 02, 2015Observed: 12.18 ft at 10:15PM Jul 02, 2015Observed: 12.19 ft at 10:30PM Jul 02, 2015Observed: 12.19 ft at 10:45PM Jul 02, 2015Observed: 12.19 ft at 11:00PM Jul 02, 2015Observed: 12.16 ft at 11:15PM Jul 02, 2015Observed: 12.18 ft at 11:30PM Jul 02, 2015Observed: 12.19 ft at 11:45PM Jul 02, 2015Observed: 12.19 ft at 12:00AM Jul 03, 2015Observed: 12.18 ft at 12:15AM Jul 03, 2015Observed: 12.19 ft at 12:30AM Jul 03, 2015Observed: 12.19 ft at 2:45AM Jul 03, 2015Observed: 12.18 ft at 3:00AM Jul 03, 2015Observed: 12.2 ft at 3:15AM Jul 03, 2015Observed: 12.2 ft at 3:30AM Jul 03, 2015Observed: 12.2 ft at 3:45AM Jul 03, 2015Observed: 12.19 ft at 4:00AM Jul 03, 2015Observed: 12.21 ft at 4:15AM Jul 03, 2015Observed: 12.21 ft at 4:30AM Jul 03, 2015Observed: 12.21 ft at 4:45AM Jul 03, 2015Observed: 12.2 ft at 5:00AM Jul 03, 2015Observed: 12.22 ft at 5:15AM Jul 03, 2015Observed: 12.2 ft at 5:30AM Jul 03, 2015Observed: 12.22 ft at 5:45AM Jul 03, 2015Observed: 12.21 ft at 6:00AM Jul 03, 2015Observed: 12.2 ft at 6:15AM Jul 03, 2015Observed: 12.2 ft at 6:30AM Jul 03, 2015Observed: 12.21 ft at 6:45AM Jul 03, 2015Observed: 12.2 ft at 7:00AM Jul 03, 2015Observed: 12.22 ft at 7:15AM Jul 03, 2015Observed: 12.21 ft at 7:30AM Jul 03, 2015Observed: 12.23 ft at 7:45AM Jul 03, 2015Observed: 12.21 ft at 8:00AM Jul 03, 2015Observed: 12.21 ft at 8:15AM Jul 03, 2015Observed: 12.22 ft at 8:30AM Jul 03, 2015Observed: 12.21 ft at 8:45AM Jul 03, 2015Observed: 12.21 ft at 9:00AM Jul 03, 2015Observed: 12.26 ft at 9:15AM Jul 03, 2015Observed: 12.23 ft at 9:30AM Jul 03, 2015Observed: 12.25 ft at 9:45AM Jul 03, 2015Observed: 12.24 ft at 10:00AM Jul 03, 2015Observed: 12.24 ft at 10:15AM Jul 03, 2015Observed: 12.24 ft at 10:30AM Jul 03, 2015Observed: 12.24 ft at 10:45AM Jul 03, 2015Observed: 12.23 ft at 11:00AM Jul 03, 2015Observed: 12.26 ft at 11:15AM Jul 03, 2015Observed: 12.25 ft at 11:30AM Jul 03, 2015Observed: 12.26 ft at 12:45PM Jul 03, 2015Observed: 12.26 ft at 1:00PM Jul 03, 2015Observed: 12.25 ft at 1:15PM Jul 03, 2015Observed: 12.26 ft at 1:30PM Jul 03, 2015Observed: 12.26 ft at 1:45PM Jul 03, 2015Observed: 12.27 ft at 2:00PM Jul 03, 2015Highest Observation: 12.28 ft at 2:15PM Jul 03, 2015Observed: 12.26 ft at 2:30PM Jul 03, 2015Observed: 12.25 ft at 2:45PM Jul 03, 2015Observed: 12.27 ft at 3:00PM Jul 03, 2015Observed: 12.26 ft at 3:15PM Jul 03, 2015Observed: 12.26 ft at 3:30PM Jul 03, 2015Observed: 12.26 ft at 3:45PM Jul 03, 2015Observed: 12.25 ft at 4:00PM Jul 03, 2015Observed: 12.25 ft at 4:15PM Jul 03, 2015Observed: 12.25 ft at 4:30PM Jul 03, 2015Observed: 12.25 ft at 4:45PM Jul 03, 2015Observed: 12.25 ft at 5:00PM Jul 03, 2015Observed: 12.25 ft at 5:15PM Jul 03, 2015Observed: 12.27 ft at 5:30PM Jul 03, 2015Observed: 12.27 ft at 5:45PM Jul 03, 2015Observed: 12.27 ft at 6:00PM Jul 03, 2015Observed: 12.25 ft at 6:15PM Jul 03, 2015Observed: 12.26 ft at 6:30PM Jul 03, 2015Observed: 12.25 ft at 7:45PM Jul 03, 2015Observed: 12.25 ft at 8:00PM Jul 03, 2015Observed: 12.25 ft at 8:01PM Jul 03, 2015Observed: 12.24 ft at 8:15PM Jul 03, 2015Observed: 12.24 ft at 8:16PM Jul 03, 2015Observed: 12.24 ft at 8:30PM Jul 03, 2015Observed: 12.24 ft at 8:31PM Jul 03, 2015Observed: 12.25 ft at 8:45PM Jul 03, 2015Observed: 12.25 ft at 9:00PM Jul 03, 2015Observed: 12.24 ft at 9:15PM Jul 03, 2015Observed: 12.25 ft at 9:30PM Jul 03, 2015Observed: 12.25 ft at 9:45PM Jul 03, 2015Observed: 12.23 ft at 10:00PM Jul 03, 2015Observed: 12.24 ft at 10:15PM Jul 03, 2015Observed: 12.23 ft at 10:30PM Jul 03, 2015Observed: 12.24 ft at 11:45PM Jul 03, 2015Observed: 12.22 ft at 12:00AM Jul 04, 2015Observed: 12.23 ft at 12:15AM Jul 04, 2015Observed: 12.23 ft at 12:30AM Jul 04, 2015Observed: 12.21 ft at 12:45AM Jul 04, 2015Observed: 12.22 ft at 1:00AM Jul 04, 2015Observed: 12.22 ft at 1:15AM Jul 04, 2015Observed: 12.22 ft at 1:30AM Jul 04, 2015Observed: 12.21 ft at 1:45AM Jul 04, 2015Observed: 12.21 ft at 2:00AM Jul 04, 2015Observed: 12.21 ft at 2:15AM Jul 04, 2015Observed: 12.2 ft at 2:30AM Jul 04, 2015Observed: 12.2 ft at 2:45AM Jul 04, 2015Observed: 12.2 ft at 3:00AM Jul 04, 2015Observed: 12.18 ft at 3:15AM Jul 04, 2015Observed: 12.19 ft at 3:30AM Jul 04, 2015Observed: 12.19 ft at 3:45AM Jul 04, 2015Observed: 12.19 ft at 4:00AM Jul 04, 2015Observed: 12.19 ft at 4:15AM Jul 04, 2015Observed: 12.2 ft at 4:30AM Jul 04, 2015Observed: 12.19 ft at 4:45AM Jul 04, 2015Observed: 12.19 ft at 5:00AM Jul 04, 2015Observed: 12.2 ft at 5:15AM Jul 04, 2015Observed: 12.19 ft at 5:30AM Jul 04, 2015Observed: 12.19 ft at 5:45AM Jul 04, 2015Observed: 12.19 ft at 6:00AM Jul 04, 2015Observed: 12.18 ft at 6:15AM Jul 04, 2015Observed: 12.19 ft at 6:30AM Jul 04, 2015Observed: 12.17 ft at 7:45AM Jul 04, 2015Observed: 12.19 ft at 8:00AM Jul 04, 2015Observed: 12.18 ft at 8:15AM Jul 04, 2015Observed: 12.19 ft at 8:30AM Jul 04, 2015Observed: 12.17 ft at 8:45AM Jul 04, 2015Observed: 12.17 ft at 9:00AM Jul 04, 2015Observed: 12.18 ft at 9:15AM Jul 04, 2015Observed: 12.18 ft at 9:30AM Jul 04, 2015Observed: 12.18 ft at 9:45AM Jul 04, 2015Observed: 12.18 ft at 10:00AM Jul 04, 2015Observed: 12.16 ft at 10:15AM Jul 04, 2015Observed: 12.17 ft at 10:30AM Jul 04, 2015Observed: 12.18 ft at 10:45AM Jul 04, 2015Observed: 12.17 ft at 11:00AM Jul 04, 2015Observed: 12.18 ft at 11:15AM Jul 04, 2015Observed: 12.18 ft at 11:30AM Jul 04, 2015Observed: 12.18 ft at 11:45AM Jul 04, 2015Observed: 12.17 ft at 12:00PM Jul 04, 2015Observed: 12.17 ft at 12:01PM Jul 04, 2015Observed: 12.19 ft at 12:15PM Jul 04, 2015Observed: 12.19 ft at 12:16PM Jul 04, 2015Observed: 12.16 ft at 12:30PM Jul 04, 2015Observed: 12.16 ft at 12:31PM Jul 04, 2015Observed: 12.18 ft at 12:45PM Jul 04, 2015Observed: 12.17 ft at 1:00PM Jul 04, 2015Observed: 12.17 ft at 1:15PM Jul 04, 2015Observed: 12.19 ft at 1:30PM Jul 04, 2015Observed: 12.19 ft at 1:45PM Jul 04, 2015Observed: 12.17 ft at 2:00PM Jul 04, 2015Observed: 12.17 ft at 2:15PM Jul 04, 2015Observed: 12.19 ft at 2:30PM Jul 04, 2015Observed: 12.18 ft at 2:45PM Jul 04, 2015Observed: 12.16 ft at 3:00PM Jul 04, 2015Observed: 12.16 ft at 3:15PM Jul 04, 2015Observed: 12.17 ft at 3:30PM Jul 04, 2015Observed: 12.17 ft at 3:45PM Jul 04, 2015Observed: 12.16 ft at 4:00PM Jul 04, 2015Observed: 12.16 ft at 4:15PM Jul 04, 2015Observed: 12.17 ft at 4:30PM Jul 04, 2015Observed: 12.16 ft at 5:45PM Jul 04, 2015Observed: 12.16 ft at 6:00PM Jul 04, 2015Observed: 12.14 ft at 6:15PM Jul 04, 2015Observed: 12.16 ft at 6:30PM Jul 04, 2015Observed: 12.13 ft at 7:45PM Jul 04, 2015Observed: 12.13 ft at 8:00PM Jul 04, 2015Observed: 12.13 ft at 8:01PM Jul 04, 2015Observed: 12.13 ft at 8:15PM Jul 04, 2015Observed: 12.13 ft at 8:16PM Jul 04, 2015Observed: 12.13 ft at 8:30PM Jul 04, 2015Observed: 12.13 ft at 8:31PM Jul 04, 2015Observed: 12.13 ft at 8:45PM Jul 04, 2015Observed: 12.12 ft at 9:00PM Jul 04, 2015Observed: 12.12 ft at 9:15PM Jul 04, 2015Observed: 12.12 ft at 9:30PM Jul 04, 2015Observed: 12.11 ft at 9:45PM Jul 04, 2015Observed: 12.11 ft at 10:00PM Jul 04, 2015Observed: 12.11 ft at 10:15PM Jul 04, 2015Observed: 12.13 ft at 10:30PM Jul 04, 2015Observed: 12.11 ft at 10:45PM Jul 04, 2015Observed: 12.12 ft at 11:00PM Jul 04, 2015Observed: 12.12 ft at 11:15PM Jul 04, 2015Observed: 12.13 ft at 11:30PM Jul 04, 2015Observed: 12.11 ft at 11:45PM Jul 04, 2015Observed: 12.11 ft at 12:00AM Jul 05, 2015Observed: 12.1 ft at 12:15AM Jul 05, 2015Observed: 12.1 ft at 12:30AM Jul 05, 2015Observed: 12.12 ft at 12:45AM Jul 05, 2015Observed: 12.1 ft at 1:00AM Jul 05, 2015Observed: 12.11 ft at 1:15AM Jul 05, 2015Observed: 12.11 ft at 1:30AM Jul 05, 2015Observed: 12.1 ft at 2:45AM Jul 05, 2015Observed: 12.1 ft at 3:00AM Jul 05, 2015Observed: 12.08 ft at 3:15AM Jul 05, 2015Observed: 12.1 ft at 3:30AM Jul 05, 2015Observed: 12.09 ft at 3:45AM Jul 05, 2015Observed: 12.08 ft at 4:00AM Jul 05, 2015Observed: 12.08 ft at 4:01AM Jul 05, 2015Observed: 12.08 ft at 4:15AM Jul 05, 2015Observed: 12.07 ft at 4:16AM Jul 05, 2015Observed: 12.07 ft at 4:30AM Jul 05, 2015Observed: 12.07 ft at 4:45AM Jul 05, 2015Observed: 12.07 ft at 5:00AM Jul 05, 2015Observed: 12.08 ft at 5:15AM Jul 05, 2015Observed: 12.08 ft at 5:30AM Jul 05, 2015Observed: 12.08 ft at 5:45AM Jul 05, 2015Observed: 12.09 ft at 6:00AM Jul 05, 2015Observed: 12.07 ft at 6:15AM Jul 05, 2015Observed: 12.06 ft at 6:30AM Jul 05, 2015Observed: 12.07 ft at 6:45AM Jul 05, 2015Observed: 12.08 ft at 7:00AM Jul 05, 2015Observed: 12.06 ft at 7:15AM Jul 05, 2015Observed: 12.07 ft at 7:30AM Jul 05, 2015Observed: 12.06 ft at 7:45AM Jul 05, 2015Observed: 12.06 ft at 8:00AM Jul 05, 2015Observed: 12.06 ft at 8:15AM Jul 05, 2015Observed: 12.07 ft at 8:30AM Jul 05, 2015Observed: 12.06 ft at 8:45AM Jul 05, 2015Observed: 12.07 ft at 9:00AM Jul 05, 2015Observed: 12.07 ft at 9:15AM Jul 05, 2015Observed: 12.06 ft at 9:30AM Jul 05, 2015Observed: 12.08 ft at 9:45AM Jul 05, 2015Observed: 12.09 ft at 10:00AM Jul 05, 2015Observed: 12.09 ft at 10:15AM Jul 05, 2015Observed: 12.09 ft at 10:30AM Jul 05, 2015Observed: 12.07 ft at 10:45AM Jul 05, 2015Observed: 12.08 ft at 11:00AM Jul 05, 2015Observed: 12.07 ft at 11:15AM Jul 05, 2015Observed: 12.08 ft at 11:30AM Jul 05, 2015Observed: 12.11 ft at 11:45AM Jul 05, 2015Observed: 12.1 ft at 12:00PM Jul 05, 2015Observed: 12.09 ft at 12:15PM Jul 05, 2015Observed: 12.09 ft at 12:16PM Jul 05, 2015Observed: 12.1 ft at 12:30PM Jul 05, 2015Observed: 12.1 ft at 12:31PM Jul 05, 2015Observed: 12.1 ft at 12:45PM Jul 05, 2015Observed: 12.1 ft at 12:46PM Jul 05, 2015Observed: 12.1 ft at 1:00PM Jul 05, 2015Observed: 12.11 ft at 1:15PM Jul 05, 2015Observed: 12.11 ft at 1:30PM Jul 05, 2015Observed: 12.11 ft at 2:45PM Jul 05, 2015Observed: 12.09 ft at 3:00PM Jul 05, 2015Observed: 12.1 ft at 3:15PM Jul 05, 2015Observed: 12.1 ft at 3:30PM Jul 05, 2015Observed: 12.12 ft at 3:45PM Jul 05, 2015Observed: 12.11 ft at 4:00PM Jul 05, 2015Observed: 12.11 ft at 4:15PM Jul 05, 2015Observed: 12.11 ft at 4:30PM Jul 05, 2015Observed: 12.12 ft at 5:45PM Jul 05, 2015Observed: 12.12 ft at 6:00PM Jul 05, 2015Observed: 12.12 ft at 6:15PM Jul 05, 2015Observed: 12.1 ft at 6:30PM Jul 05, 2015Observed: 12.13 ft at 6:45PM Jul 05, 2015Observed: 12.13 ft at 7:00PM Jul 05, 2015Observed: 12.12 ft at 7:15PM Jul 05, 2015Observed: 12.12 ft at 7:30PM Jul 05, 2015Observed: 12.13 ft at 7:45PM Jul 05, 2015Observed: 12.13 ft at 8:00PM Jul 05, 2015Observed: 12.13 ft at 8:15PM Jul 05, 2015Observed: 12.13 ft at 8:16PM Jul 05, 2015Observed: 12.13 ft at 8:30PM Jul 05, 2015Observed: 12.13 ft at 8:31PM Jul 05, 2015Observed: 12.15 ft at 8:45PM Jul 05, 2015Observed: 12.15 ft at 8:46PM Jul 05, 2015Observed: 12.14 ft at 9:00PM Jul 05, 2015Observed: 12.14 ft at 9:15PM Jul 05, 2015Observed: 12.15 ft at 9:30PM Jul 05, 2015Observed: 12.15 ft at 9:45PM Jul 05, 2015Observed: 12.15 ft at 10:00PM Jul 05, 2015Observed: 12.13 ft at 10:15PM Jul 05, 2015Observed: 12.15 ft at 10:30PM Jul 05, 2015Observed: 12.16 ft at 10:45PM Jul 05, 2015Observed: 12.15 ft at 11:00PM Jul 05, 2015Observed: 12.15 ft at 11:15PM Jul 05, 2015Observed: 12.16 ft at 11:30PM Jul 05, 2015Observed: 12.15 ft at 11:45PM Jul 05, 2015Observed: 12.16 ft at 12:00AM Jul 06, 2015Observed: 12.16 ft at 12:15AM Jul 06, 2015Observed: 12.16 ft at 12:30AM Jul 06, 2015Observed: 12.17 ft at 12:45AM Jul 06, 2015Observed: 12.17 ft at 1:00AM Jul 06, 2015Observed: 12.16 ft at 1:15AM Jul 06, 2015Observed: 12.16 ft at 1:30AM Jul 06, 2015Observed: 12.17 ft at 1:45AM Jul 06, 2015Observed: 12.17 ft at 2:00AM Jul 06, 2015Observed: 12.16 ft at 2:15AM Jul 06, 2015Observed: 12.16 ft at 2:30AM Jul 06, 2015Observed: 12.12 ft at 2:45AM Jul 06, 2015Observed: 12.21 ft at 3:00AM Jul 06, 2015Observed: 12.24 ft at 3:15AM Jul 06, 2015Observed: 12.27 ft at 3:30AM Jul 06, 2015Observed: 12.26 ft at 3:45AM Jul 06, 2015Observed: 12.27 ft at 4:00AM Jul 06, 2015Observed: 12.27 ft at 4:15AM Jul 06, 2015Observed: 12.27 ft at 4:16AM Jul 06, 2015Observed: 12.27 ft at 4:30AM Jul 06, 2015Observed: 12.27 ft at 4:31AM Jul 06, 2015Highest Observation: 12.28 ft at 4:46AM Jul 06, 2015Observed: 12.25 ft at 5:45AM Jul 06, 2015Observed: 12.24 ft at 6:00AM Jul 06, 2015Observed: 12.25 ft at 6:15AM Jul 06, 2015Observed: 12.26 ft at 6:30AM Jul 06, 2015Observed: 12.27 ft at 6:45AM Jul 06, 2015Observed: 12.25 ft at 7:00AM Jul 06, 2015Observed: 12.25 ft at 7:15AM Jul 06, 2015Observed: 12.25 ft at 7:30AM Jul 06, 2015Observed: 12.26 ft at 7:45AM Jul 06, 2015Observed: 12.26 ft at 8:00AM Jul 06, 2015Observed: 12.26 ft at 8:15AM Jul 06, 2015Observed: 12.24 ft at 8:30AM Jul 06, 2015Observed: 12.24 ft at 8:45AM Jul 06, 2015Observed: 12.24 ft at 9:00AM Jul 06, 2015Observed: 12.24 ft at 9:15AM Jul 06, 2015Observed: 12.22 ft at 9:30AM Jul 06, 2015Observed: 12.23 ft at 9:45AM Jul 06, 2015Observed: 12.23 ft at 10:00AM Jul 06, 2015Observed: 12.23 ft at 10:15AM Jul 06, 2015Observed: 12.21 ft at 10:30AM Jul 06, 2015Observed: 12.21 ft at 11:45AM Jul 06, 2015Observed: 12.21 ft at 12:00PM Jul 06, 2015Observed: 12.21 ft at 12:15PM Jul 06, 2015Observed: 12.21 ft at 12:16PM Jul 06, 2015Observed: 12.21 ft at 12:30PM Jul 06, 2015Observed: 12.21 ft at 12:31PM Jul 06, 2015Observed: 12.2 ft at 12:46PM Jul 06, 2015Observed: 12.21 ft at 2:45PM Jul 06, 2015Observed: 12.19 ft at 3:00PM Jul 06, 2015Observed: 12.21 ft at 3:15PM Jul 06, 2015Observed: 12.21 ft at 3:30PM Jul 06, 2015Observed: 12.21 ft at 4:45PM Jul 06, 2015Observed: 12.24 ft at 5:00PM Jul 06, 2015Observed: 12.24 ft at 5:15PM Jul 06, 2015Observed: 12.23 ft at 5:30PM Jul 06, 2015Observed: 12.26 ft at 5:45PM Jul 06, 2015Observed: 12.25 ft at 6:00PM Jul 06, 2015Observed: 12.27 ft at 6:15PM Jul 06, 2015Observed: 12.25 ft at 6:30PM Jul 06, 2015Observed: 12.24 ft at 6:45PM Jul 06, 2015Observed: 12.25 ft at 7:00PM Jul 06, 2015Observed: 12.25 ft at 7:15PM Jul 06, 2015Observed: 12.26 ft at 7:30PM Jul 06, 2015Observed: 12.25 ft at 7:45PM Jul 06, 2015Observed: 12.26 ft at 8:00PM Jul 06, 2015Observed: 12.25 ft at 8:15PM Jul 06, 2015Observed: 12.25 ft at 8:16PM Jul 06, 2015Observed: 12.27 ft at 8:30PM Jul 06, 2015Observed: 12.27 ft at 8:31PM Jul 06, 2015Observed: 12.25 ft at 8:45PM Jul 06, 2015Observed: 12.25 ft at 8:46PM Jul 06, 2015Observed: 12.27 ft at 9:00PM Jul 06, 2015Highest Observation: 12.28 ft at 9:15PM Jul 06, 2015Observed: 12.26 ft at 9:30PM Jul 06, 2015Observed: 12.26 ft at 10:45PM Jul 06, 2015Observed: 12.26 ft at 11:00PM Jul 06, 2015Observed: 12.25 ft at 11:15PM Jul 06, 2015Observed: 12.26 ft at 11:30PM Jul 06, 2015Observed: 12.25 ft at 11:45PM Jul 06, 2015Observed: 12.24 ft at 12:00AM Jul 07, 2015Observed: 12.25 ft at 12:15AM Jul 07, 2015Observed: 12.24 ft at 12:30AM Jul 07, 2015Observed: 12.24 ft at 12:45AM Jul 07, 2015Observed: 12.24 ft at 1:00AM Jul 07, 2015Observed: 12.23 ft at 1:15AM Jul 07, 2015Observed: 12.24 ft at 1:30AM Jul 07, 2015Observed: 12.23 ft at 1:45AM Jul 07, 2015Observed: 12.22 ft at 2:00AM Jul 07, 2015Observed: 12.22 ft at 2:15AM Jul 07, 2015Observed: 12.22 ft at 2:30AM Jul 07, 2015Observed: 12.2 ft at 2:45AM Jul 07, 2015Observed: 12.21 ft at 3:00AM Jul 07, 2015Observed: 12.2 ft at 3:15AM Jul 07, 2015Observed: 12.19 ft at 3:30AM Jul 07, 2015Observed: 12.19 ft at 3:45AM Jul 07, 2015Observed: 12.2 ft at 4:00AM Jul 07, 2015Observed: 12.18 ft at 4:15AM Jul 07, 2015Observed: 12.18 ft at 4:16AM Jul 07, 2015Observed: 12.19 ft at 4:30AM Jul 07, 2015Observed: 12.19 ft at 4:31AM Jul 07, 2015Observed: 12.18 ft at 4:45AM Jul 07, 2015Observed: 12.18 ft at 4:46AM Jul 07, 2015Observed: 12.18 ft at 5:00AM Jul 07, 2015Observed: 12.17 ft at 5:15AM Jul 07, 2015Observed: 12.16 ft at 5:30AM Jul 07, 2015Observed: 12.16 ft at 5:45AM Jul 07, 2015Observed: 12.17 ft at 6:00AM Jul 07, 2015Observed: 12.16 ft at 6:15AM Jul 07, 2015Observed: 12.17 ft at 6:30AM Jul 07, 2015Observed: 12.16 ft at 6:45AM Jul 07, 2015Observed: 12.14 ft at 7:00AM Jul 07, 2015Observed: 12.17 ft at 7:15AM Jul 07, 2015Observed: 12.15 ft at 7:30AM Jul 07, 2015Observed: 12.15 ft at 7:45AM Jul 07, 2015Observed: 12.14 ft at 8:00AM Jul 07, 2015Observed: 12.12 ft at 8:15AM Jul 07, 2015Observed: 12.16 ft at 8:30AM Jul 07, 2015Observed: 12.13 ft at 8:45AM Jul 07, 2015Observed: 12.13 ft at 9:00AM Jul 07, 2015Observed: 12.13 ft at 9:15AM Jul 07, 2015Observed: 12.14 ft at 9:30AM Jul 07, 2015Observed: 12.13 ft at 9:45AM Jul 07, 2015Observed: 12.1 ft at 10:00AM Jul 07, 2015Observed: 12.1 ft at 10:15AM Jul 07, 2015Observed: 12.11 ft at 10:30AM Jul 07, 2015Observed: 12.1 ft at 11:45AM Jul 07, 2015Observed: 12.08 ft at 12:00PM Jul 07, 2015Observed: 12.09 ft at 12:15PM Jul 07, 2015Observed: 12.09 ft at 12:16PM Jul 07, 2015Observed: 12.08 ft at 12:30PM Jul 07, 2015Observed: 12.08 ft at 12:31PM Jul 07, 2015Observed: 12.08 ft at 12:46PM Jul 07, 2015Observed: 12.06 ft at 1:45PM Jul 07, 2015Observed: 12.07 ft at 2:00PM Jul 07, 2015Observed: 12.06 ft at 2:15PM Jul 07, 2015Observed: 12.08 ft at 2:30PM Jul 07, 2015Observed: 12.07 ft at 2:45PM Jul 07, 2015Observed: 12.06 ft at 3:00PM Jul 07, 2015Observed: 12.07 ft at 3:15PM Jul 07, 2015Observed: 12.07 ft at 3:30PM Jul 07, 2015USGS--Water Resources of the United StatesSXCI4(plotting HGIRG) Graph Created (7:12PM Jul 7, 2015)ObservedLatest observed value: 12.07 ft at 3:30 PM CDT 7-Jul-2015. Flood Stage is 32 ft
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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: Automated gauge readings are now available, courtesy of the USGS.

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

Vertical datum height surveyed by the USGS

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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): 0

Historic Crests
(1) 108.30 ft on 04/10/1969
(2) 106.80 ft on 04/03/1960
(3) 105.63 ft on 06/20/2014
(4) 104.80 ft on 04/01/1962
(5) 104.50 ft on 06/25/1984
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 105.63 ft on 06/20/2014
(2) 102.20 ft on 06/27/2011
(3) 97.70 ft on 09/30/2010
(4) 96.80 ft on 04/10/1997
(5) 102.00 ft on 04/14/1993
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
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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
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 ft 1092.0 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 992.7 1091.7 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?
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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
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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Page last modified: 12-Feb-2015 9:35 PM
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