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: Tuesday March 31st, 2026 09:30 PM CDT
River Status: Normal

  Height Flow
Currently 10.36 ft 98.5 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
  Wednesday 04/01/2026 07:00 AM 10.40 99.10
  Wednesday 04/01/2026 01:00 PM 10.40 99.10
  Wednesday 04/01/2026 07:00 PM 10.40 99.10
  Thursday 04/02/2026 01:00 AM 10.50 101.00
  Thursday 04/02/2026 07:00 AM 10.50 101.00
  Thursday 04/02/2026 01:00 PM 10.50 101.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Tuesday 03/31/2026 06:10 PM 10.33 98.00
Tuesday 03/31/2026 06:20 PM 10.34 98.20
Tuesday 03/31/2026 06:30 PM 10.34 98.20
Tuesday 03/31/2026 06:40 PM 10.34 98.20
Tuesday 03/31/2026 06:50 PM 10.34 98.20
Tuesday 03/31/2026 07:00 PM 10.34 98.20
Tuesday 03/31/2026 07:10 PM 10.34 98.20
Tuesday 03/31/2026 07:20 PM 10.35 98.30
Tuesday 03/31/2026 07:30 PM 10.35 98.30
Tuesday 03/31/2026 07:40 PM 10.35 98.30
Tuesday 03/31/2026 07:50 PM 10.35 98.30
Tuesday 03/31/2026 08:00 PM 10.35 98.30
Tuesday 03/31/2026 08:10 PM 10.36 98.50
Tuesday 03/31/2026 08:20 PM 10.36 98.50
Tuesday 03/31/2026 08:30 PM 10.36 98.50
Tuesday 03/31/2026 08:40 PM 10.36 98.50
Tuesday 03/31/2026 08:50 PM 10.36 98.50
Tuesday 03/31/2026 09:00 PM 10.36 98.50
Tuesday 03/31/2026 09:10 PM 10.36 98.50
Tuesday 03/31/2026 09:20 PM 10.36 98.50

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