Mississippi River At Rock Island

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Hydrograph

Stage Color Key
13 ft - Near Flood 15 ft - Minor Flood 16 ft - Moderate Flood 18 ft - Major Flood

Latest Observation: Thursday July 30th, 2026 01:00 AM CDT
River Status: Normal

  Height Flow
Currently 4.26 ft 28.8 kcfs
Record 22.7 ft N/A

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Thursday 07/30/2026 07:00 AM 4.30 29.20
  Thursday 07/30/2026 01:00 PM 4.30 29.20
  Thursday 07/30/2026 07:00 PM 4.20 28.10
  Friday 07/31/2026 01:00 AM 4.20 28.10
  Friday 07/31/2026 07:00 AM 4.20 28.10
  Friday 07/31/2026 01:00 PM 4.20 28.10

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 07/29/2026 10:10 PM 4.25 28.70
Wednesday 07/29/2026 10:20 PM 4.24 28.60
Wednesday 07/29/2026 10:30 PM 4.24 28.60
Wednesday 07/29/2026 10:40 PM 4.25 28.70
Wednesday 07/29/2026 10:50 PM 4.26 28.80
Wednesday 07/29/2026 11:00 PM 4.28 29.00
Wednesday 07/29/2026 11:10 PM 4.29 29.10
Wednesday 07/29/2026 11:20 PM 4.29 29.10
Wednesday 07/29/2026 11:30 PM 4.28 29.00
Wednesday 07/29/2026 11:40 PM 4.27 28.90
Wednesday 07/29/2026 11:50 PM 4.29 29.10
Thursday 07/30/2026 12:00 AM 4.29 29.10
Thursday 07/30/2026 12:10 AM 4.28 29.00
Thursday 07/30/2026 12:20 AM 4.26 28.80
Thursday 07/30/2026 12:30 AM 4.25 28.70
Thursday 07/30/2026 12:40 AM 4.28 29.00
Thursday 07/30/2026 12:50 AM 4.27 28.90
Thursday 07/30/2026 01:00 AM 4.26 28.80
Thursday 07/30/2026 01:10 AM 4.26 28.80
Thursday 07/30/2026 01:20 AM 4.26 28.80

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