Mississippi River Below Lock And Dam 5a - Winona

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Hydrograph

Stage Color Key
650 ft - Near Flood 655 ft - Minor Flood 659 ft - Moderate Flood 661 ft - Major Flood

Latest Observation: Saturday August 1st, 2026 12:15 AM CDT
River Status: Normal

  Height Flow
Currently 645.78 ft 16.2 kcfs
Record 663.35 ft N/A

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Friday 07/31/2026 07:00 PM 645.70 14.10
  Saturday 08/01/2026 01:00 AM 645.70 14.10
  Saturday 08/01/2026 07:00 AM 645.70 14.10
  Saturday 08/01/2026 01:00 PM 645.70 14.10
  Saturday 08/01/2026 07:00 PM 645.70 14.10
  Sunday 08/02/2026 01:00 AM 645.70 14.10

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 07/31/2026 07:15 PM 645.77 16.00
Friday 07/31/2026 07:30 PM 645.79 16.50
Friday 07/31/2026 07:45 PM 645.77 16.00
Friday 07/31/2026 08:00 PM 645.80 16.80
Friday 07/31/2026 08:15 PM 645.80 16.80
Friday 07/31/2026 08:30 PM 645.78 16.20
Friday 07/31/2026 08:45 PM 645.79 16.50
Friday 07/31/2026 09:00 PM 645.77 16.00
Friday 07/31/2026 09:15 PM 645.77 16.00
Friday 07/31/2026 09:30 PM 645.77 16.00
Friday 07/31/2026 09:45 PM 645.77 16.00
Friday 07/31/2026 10:00 PM 645.77 16.00
Friday 07/31/2026 10:15 PM 645.76 15.70
Friday 07/31/2026 10:30 PM 645.77 16.00
Friday 07/31/2026 10:45 PM 645.76 15.70
Friday 07/31/2026 11:00 PM 645.76 15.70
Friday 07/31/2026 11:15 PM 645.77 16.00
Friday 07/31/2026 11:30 PM 645.76 15.70
Friday 07/31/2026 11:45 PM 645.76 15.70
Saturday 08/01/2026 12:00 AM 645.77 16.00

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