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 17th, 2026 04:00 AM CDT
River Status: Normal

  Height Flow
Currently 11.16 ft 28 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 09/16/2026 07:00 PM 11.30 28.40
  Thursday 09/17/2026 01:00 AM 11.30 28.40
  Thursday 09/17/2026 07:00 AM 11.30 28.40
  Thursday 09/17/2026 01:00 PM 11.30 28.40
  Thursday 09/17/2026 07:00 PM 11.30 28.40
  Friday 09/18/2026 01:00 AM 11.30 28.40

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 09/16/2026 11:00 PM 11.21 28.10
Wednesday 09/16/2026 11:15 PM 11.20 28.10
Wednesday 09/16/2026 11:30 PM 11.19 28.10
Wednesday 09/16/2026 11:45 PM 11.19 28.10
Thursday 09/17/2026 12:00 AM 11.19 28.10
Thursday 09/17/2026 12:15 AM 11.19 28.10
Thursday 09/17/2026 12:30 AM 11.18 28.00
Thursday 09/17/2026 12:45 AM 11.19 28.10
Thursday 09/17/2026 01:00 AM 11.19 28.10
Thursday 09/17/2026 01:15 AM 11.18 28.00
Thursday 09/17/2026 01:30 AM 11.18 28.00
Thursday 09/17/2026 01:45 AM 11.17 28.00
Thursday 09/17/2026 02:00 AM 11.17 28.00
Thursday 09/17/2026 02:15 AM 11.17 28.00
Thursday 09/17/2026 02:30 AM 11.17 28.00
Thursday 09/17/2026 02:45 AM 11.17 28.00
Thursday 09/17/2026 03:00 AM 11.17 28.00
Thursday 09/17/2026 03:15 AM 11.17 28.00
Thursday 09/17/2026 03:30 AM 11.16 28.00
Thursday 09/17/2026 03:45 AM 11.16 28.00

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