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 May 30th, 2026 02:15 AM CDT
River Status: Normal

  Height Flow
Currently 4.62 ft 21.9 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 05/29/2026 07:00 PM 4.60 N/A
  Saturday 05/30/2026 01:00 AM 4.60 N/A
  Saturday 05/30/2026 07:00 AM 4.60 N/A
  Saturday 05/30/2026 01:00 PM 4.60 N/A
  Saturday 05/30/2026 07:00 PM 4.60 N/A
  Sunday 05/31/2026 01:00 AM 4.60 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 05/29/2026 09:15 PM 4.61 N/A
Friday 05/29/2026 09:30 PM 4.61 N/A
Friday 05/29/2026 09:45 PM 4.62 N/A
Friday 05/29/2026 10:00 PM 4.61 N/A
Friday 05/29/2026 10:15 PM 4.62 N/A
Friday 05/29/2026 10:30 PM 4.62 N/A
Friday 05/29/2026 10:45 PM 4.62 N/A
Friday 05/29/2026 11:00 PM 4.62 N/A
Friday 05/29/2026 11:15 PM 4.62 N/A
Friday 05/29/2026 11:30 PM 4.61 N/A
Friday 05/29/2026 11:45 PM 4.62 N/A
Saturday 05/30/2026 12:00 AM 4.62 N/A
Saturday 05/30/2026 12:15 AM 4.62 N/A
Saturday 05/30/2026 12:30 AM 4.62 N/A
Saturday 05/30/2026 12:45 AM 4.62 N/A
Saturday 05/30/2026 01:00 AM 4.62 N/A
Saturday 05/30/2026 01:15 AM 4.61 N/A
Saturday 05/30/2026 01:30 AM 4.62 N/A
Saturday 05/30/2026 01:45 AM 4.62 N/A
Saturday 05/30/2026 02:00 AM 4.62 N/A

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