Mississippi River Below Lock And Dam 4 - Alma

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Hydrograph

Stage Color Key
10 ft - Near Flood 16 ft - Minor Flood 17 ft - Moderate Flood 18 ft - Major Flood

Latest Observation: Friday May 1st, 2026 08:15 PM CDT
River Status: Normal

  Height Flow
Currently 6.83 ft 51.4 kcfs
Record 19.78 ft 269000 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Friday 05/01/2026 07:00 PM 6.80 N/A
  Saturday 05/02/2026 01:00 AM 6.80 N/A
  Saturday 05/02/2026 07:00 AM 6.80 N/A
  Saturday 05/02/2026 01:00 PM 6.90 N/A
  Saturday 05/02/2026 07:00 PM 7.00 N/A
  Sunday 05/03/2026 01:00 AM 7.10 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 05/01/2026 03:15 PM 6.77 N/A
Friday 05/01/2026 03:30 PM 6.79 N/A
Friday 05/01/2026 03:45 PM 6.80 N/A
Friday 05/01/2026 04:00 PM 6.80 N/A
Friday 05/01/2026 04:15 PM 6.82 N/A
Friday 05/01/2026 04:30 PM 6.81 N/A
Friday 05/01/2026 04:45 PM 6.81 N/A
Friday 05/01/2026 05:00 PM 6.82 N/A
Friday 05/01/2026 05:15 PM 6.82 N/A
Friday 05/01/2026 05:30 PM 6.81 N/A
Friday 05/01/2026 05:45 PM 6.81 N/A
Friday 05/01/2026 06:00 PM 6.82 N/A
Friday 05/01/2026 06:15 PM 6.83 N/A
Friday 05/01/2026 06:30 PM 6.83 N/A
Friday 05/01/2026 06:45 PM 6.82 N/A
Friday 05/01/2026 07:00 PM 6.83 N/A
Friday 05/01/2026 07:15 PM 6.83 N/A
Friday 05/01/2026 07:30 PM 6.83 N/A
Friday 05/01/2026 07:45 PM 6.83 N/A
Friday 05/01/2026 08:00 PM 6.83 N/A

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