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: Saturday April 11th, 2026 04:00 AM CDT
River Status: Normal

  Height Flow
Currently 14.83 ft 182 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
  Friday 04/10/2026 07:00 PM 15.00 184.00
  Saturday 04/11/2026 01:00 AM 15.00 184.00
  Saturday 04/11/2026 07:00 AM 15.10 186.00
  Saturday 04/11/2026 01:00 PM 15.10 186.00
  Saturday 04/11/2026 07:00 PM 15.20 188.00
  Sunday 04/12/2026 01:00 AM 15.20 188.00

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Saturday 04/11/2026 12:40 AM 14.84 182.00
Saturday 04/11/2026 12:50 AM 14.84 182.00
Saturday 04/11/2026 01:00 AM 14.85 182.00
Saturday 04/11/2026 01:10 AM 14.82 182.00
Saturday 04/11/2026 01:20 AM 14.85 182.00
Saturday 04/11/2026 01:30 AM 14.84 182.00
Saturday 04/11/2026 01:40 AM 14.83 182.00
Saturday 04/11/2026 01:50 AM 14.85 182.00
Saturday 04/11/2026 02:00 AM 14.84 182.00
Saturday 04/11/2026 02:10 AM 14.83 182.00
Saturday 04/11/2026 02:20 AM 14.89 183.00
Saturday 04/11/2026 02:30 AM 14.85 182.00
Saturday 04/11/2026 02:40 AM 14.84 182.00
Saturday 04/11/2026 02:50 AM 14.84 182.00
Saturday 04/11/2026 03:00 AM 14.83 182.00
Saturday 04/11/2026 03:10 AM 14.82 182.00
Saturday 04/11/2026 03:20 AM 14.84 182.00
Saturday 04/11/2026 03:30 AM 14.86 183.00
Saturday 04/11/2026 03:40 AM 14.83 182.00
Saturday 04/11/2026 03:50 AM 14.83 182.00

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