Mississippi River At Grafton

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Hydrograph

Stage Color Key
18 ft - Near Flood 20 ft - Minor Flood 24 ft - Moderate Flood 29 ft - Major Flood

Latest Observation: Saturday September 19th, 2026 08:30 AM CDT
River Status: Normal

  Height Flow
Currently 15.7 ft 161 kcfs
Record 38.17 ft 598000 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 AM 15.90 N/A
  Saturday 09/19/2026 01:00 PM 15.90 N/A
  Saturday 09/19/2026 07:00 PM 15.90 N/A
  Sunday 09/20/2026 01:00 AM 15.90 N/A
  Sunday 09/20/2026 07:00 AM 15.90 N/A
  Sunday 09/20/2026 01:00 PM 15.90 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Friday 09/18/2026 10:30 PM 15.86 N/A
Friday 09/18/2026 11:00 PM 15.85 N/A
Friday 09/18/2026 11:30 PM 15.83 N/A
Saturday 09/19/2026 12:00 AM 15.81 N/A
Saturday 09/19/2026 12:30 AM 15.81 N/A
Saturday 09/19/2026 01:00 AM 15.78 N/A
Saturday 09/19/2026 01:30 AM 15.75 N/A
Saturday 09/19/2026 02:00 AM 15.75 N/A
Saturday 09/19/2026 02:30 AM 15.74 N/A
Saturday 09/19/2026 03:00 AM 15.72 N/A
Saturday 09/19/2026 03:30 AM 15.71 N/A
Saturday 09/19/2026 04:00 AM 15.70 N/A
Saturday 09/19/2026 04:30 AM 15.71 N/A
Saturday 09/19/2026 05:00 AM 15.69 N/A
Saturday 09/19/2026 05:30 AM 15.70 N/A
Saturday 09/19/2026 06:00 AM 15.70 N/A
Saturday 09/19/2026 06:30 AM 15.70 N/A
Saturday 09/19/2026 07:00 AM 15.70 N/A
Saturday 09/19/2026 07:30 AM 15.70 N/A
Saturday 09/19/2026 08:00 AM 15.67 N/A

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