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: Thursday September 3rd, 2026 12:00 AM 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 07:00 PM 11.55 29.40
Wednesday 09/02/2026 07:15 PM 11.56 29.40
Wednesday 09/02/2026 07:30 PM 11.57 29.50
Wednesday 09/02/2026 07:45 PM 11.56 29.40
Wednesday 09/02/2026 08:00 PM 11.57 29.50
Wednesday 09/02/2026 08:15 PM 11.56 29.40
Wednesday 09/02/2026 08:30 PM 11.56 29.40
Wednesday 09/02/2026 08:45 PM 11.57 29.50
Wednesday 09/02/2026 09:00 PM 11.55 29.40
Wednesday 09/02/2026 09:15 PM 11.56 29.40
Wednesday 09/02/2026 09:30 PM 11.57 29.50
Wednesday 09/02/2026 09:45 PM 11.56 29.40
Wednesday 09/02/2026 10:00 PM 11.56 29.40
Wednesday 09/02/2026 10:15 PM 11.56 29.40
Wednesday 09/02/2026 10:30 PM 11.56 29.40
Wednesday 09/02/2026 10:45 PM 11.55 29.40
Wednesday 09/02/2026 11:00 PM 11.55 29.40
Wednesday 09/02/2026 11:15 PM 11.55 29.40
Wednesday 09/02/2026 11:30 PM 11.54 29.40
Wednesday 09/02/2026 11:45 PM 11.54 29.40

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