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: Saturday September 19th, 2026 03:15 PM CDT
River Status: Normal

  Height Flow
Currently 4.41 ft 16.3 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
  Saturday 09/19/2026 07:00 PM 4.40 N/A
  Sunday 09/20/2026 01:00 AM 4.40 N/A
  Sunday 09/20/2026 07:00 AM 4.40 N/A
  Sunday 09/20/2026 01:00 PM 4.40 N/A
  Sunday 09/20/2026 07:00 PM 4.40 N/A
  Monday 09/21/2026 01:00 AM 4.40 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Saturday 09/19/2026 10:15 AM 4.43 N/A
Saturday 09/19/2026 10:30 AM 4.44 N/A
Saturday 09/19/2026 10:45 AM 4.45 N/A
Saturday 09/19/2026 11:00 AM 4.47 N/A
Saturday 09/19/2026 11:15 AM 4.37 N/A
Saturday 09/19/2026 11:30 AM 4.39 N/A
Saturday 09/19/2026 11:45 AM 4.42 N/A
Saturday 09/19/2026 12:00 PM 4.42 N/A
Saturday 09/19/2026 12:15 PM 4.48 N/A
Saturday 09/19/2026 12:30 PM 4.45 N/A
Saturday 09/19/2026 12:45 PM 4.46 N/A
Saturday 09/19/2026 01:00 PM 4.41 N/A
Saturday 09/19/2026 01:15 PM 4.41 N/A
Saturday 09/19/2026 01:30 PM 4.41 N/A
Saturday 09/19/2026 01:45 PM 4.40 N/A
Saturday 09/19/2026 02:00 PM 4.40 N/A
Saturday 09/19/2026 02:15 PM 4.44 N/A
Saturday 09/19/2026 02:30 PM 4.41 N/A
Saturday 09/19/2026 02:45 PM 4.41 N/A
Saturday 09/19/2026 03:00 PM 4.42 N/A

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