Mississippi River At Quincy Lock And Dam 21

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Hydrograph

Stage Color Key
16 ft - Near Flood 18 ft - Minor Flood 21 ft - Moderate Flood 25 ft - Major Flood

Latest Observation: Friday June 5th, 2026 07:00 AM CDT
River Status: Normal

  Height Flow
Currently 5.01 ft 60.1 kcfs
Record 31.3 ft 428694 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Thursday 06/04/2026 07:00 PM 5.40 65.40
  Friday 06/05/2026 01:00 AM 5.30 64.00
  Friday 06/05/2026 07:00 AM 5.30 64.00
  Friday 06/05/2026 01:00 PM 5.30 64.00
  Friday 06/05/2026 07:00 PM 5.30 64.00
  Saturday 06/06/2026 01:00 AM 5.30 64.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 06/05/2026 04:10 AM 4.99 59.90
Friday 06/05/2026 04:20 AM 5.00 60.00
Friday 06/05/2026 04:30 AM 5.01 60.10
Friday 06/05/2026 04:40 AM 4.99 59.90
Friday 06/05/2026 04:50 AM 5.00 60.00
Friday 06/05/2026 05:00 AM 5.00 60.00
Friday 06/05/2026 05:10 AM 5.01 60.10
Friday 06/05/2026 05:20 AM 5.01 60.10
Friday 06/05/2026 05:30 AM 4.99 59.90
Friday 06/05/2026 05:40 AM 5.01 60.10
Friday 06/05/2026 05:50 AM 4.99 59.90
Friday 06/05/2026 06:00 AM 4.99 59.90
Friday 06/05/2026 06:10 AM 5.02 60.30
Friday 06/05/2026 06:20 AM 4.99 59.90
Friday 06/05/2026 06:30 AM 4.99 59.90
Friday 06/05/2026 06:40 AM 4.98 59.70
Friday 06/05/2026 06:50 AM 5.02 60.30
Friday 06/05/2026 07:00 AM 5.01 60.10
Friday 06/05/2026 07:10 AM 4.98 59.70
Friday 06/05/2026 07:20 AM 5.01 60.10

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