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 May 20th, 2026 05:00 AM CDT
River Status: Normal

  Height Flow
Currently 11.21 ft 27.9 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
  Tuesday 05/19/2026 07:00 PM 11.10 27.50
  Wednesday 05/20/2026 01:00 AM 11.10 27.50
  Wednesday 05/20/2026 07:00 AM 11.10 27.50
  Wednesday 05/20/2026 01:00 PM 11.10 27.50
  Wednesday 05/20/2026 07:00 PM 11.10 27.50
  Thursday 05/21/2026 01:00 AM 11.10 27.50

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 05/20/2026 12:00 AM 11.25 28.00
Wednesday 05/20/2026 12:15 AM 11.25 28.00
Wednesday 05/20/2026 12:30 AM 11.25 28.00
Wednesday 05/20/2026 12:45 AM 11.24 28.00
Wednesday 05/20/2026 01:00 AM 11.24 28.00
Wednesday 05/20/2026 01:15 AM 11.24 28.00
Wednesday 05/20/2026 01:30 AM 11.24 28.00
Wednesday 05/20/2026 01:45 AM 11.23 28.00
Wednesday 05/20/2026 02:00 AM 11.25 28.00
Wednesday 05/20/2026 02:15 AM 11.24 28.00
Wednesday 05/20/2026 02:30 AM 11.24 28.00
Wednesday 05/20/2026 02:45 AM 11.22 27.90
Wednesday 05/20/2026 03:00 AM 11.23 28.00
Wednesday 05/20/2026 03:15 AM 11.22 27.90
Wednesday 05/20/2026 03:30 AM 11.22 27.90
Wednesday 05/20/2026 03:45 AM 11.22 27.90
Wednesday 05/20/2026 04:00 AM 11.21 27.90
Wednesday 05/20/2026 04:15 AM 11.21 27.90
Wednesday 05/20/2026 04:30 AM 11.21 27.90
Wednesday 05/20/2026 04:45 AM 11.20 27.90

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