Missouri River At Sioux City

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Hydrograph

Stage Color Key
25 ft - Near Flood 30 ft - Minor Flood 33 ft - Moderate Flood 36 ft - Major Flood

Latest Observation: Wednesday September 2nd, 2026 07:00 PM CDT
River Status: Normal

  Height Flow
Currently 11.55 ft 29.4 kcfs
Record 35.25 ft 192000 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Wednesday 09/02/2026 07:00 PM 11.30 28.50
  Thursday 09/03/2026 01:00 AM 11.30 28.50
  Thursday 09/03/2026 07:00 AM 11.30 28.50
  Thursday 09/03/2026 01:00 PM 11.30 28.50
  Thursday 09/03/2026 07:00 PM 11.30 28.50
  Friday 09/04/2026 01:00 AM 11.30 28.50

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 09/02/2026 02:00 PM 11.48 29.20
Wednesday 09/02/2026 02:15 PM 11.48 29.20
Wednesday 09/02/2026 02:30 PM 11.48 29.20
Wednesday 09/02/2026 02:45 PM 11.50 29.20
Wednesday 09/02/2026 03:00 PM 11.49 29.20
Wednesday 09/02/2026 03:15 PM 11.50 29.20
Wednesday 09/02/2026 03:30 PM 11.51 29.30
Wednesday 09/02/2026 03:45 PM 11.51 29.30
Wednesday 09/02/2026 04:00 PM 11.51 29.30
Wednesday 09/02/2026 04:15 PM 11.52 29.30
Wednesday 09/02/2026 04:30 PM 11.53 29.30
Wednesday 09/02/2026 04:45 PM 11.53 29.30
Wednesday 09/02/2026 05:00 PM 11.53 29.30
Wednesday 09/02/2026 05:15 PM 11.54 29.40
Wednesday 09/02/2026 05:30 PM 11.54 29.40
Wednesday 09/02/2026 05:45 PM 11.54 29.40
Wednesday 09/02/2026 06:00 PM 11.54 29.40
Wednesday 09/02/2026 06:15 PM 11.55 29.40
Wednesday 09/02/2026 06:30 PM 11.54 29.40
Wednesday 09/02/2026 06:45 PM 11.55 29.40

Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather with mods by Saratoga-weather.org