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: Thursday April 30th, 2026 02:00 AM CDT
River Status: Minor Flooding

  Height Flow
Currently 22.67 ft 343 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
  Thursday 04/30/2026 07:00 AM 22.70 N/A
  Thursday 04/30/2026 01:00 PM 22.70 N/A
  Thursday 04/30/2026 07:00 PM 22.50 N/A
  Friday 05/01/2026 01:00 AM 22.30 N/A
  Friday 05/01/2026 07:00 AM 22.10 N/A
  Friday 05/01/2026 01:00 PM 21.90 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Wednesday 04/29/2026 04:30 PM 22.52 N/A
Wednesday 04/29/2026 05:00 PM 22.53 N/A
Wednesday 04/29/2026 05:30 PM 22.52 N/A
Wednesday 04/29/2026 06:00 PM 22.55 N/A
Wednesday 04/29/2026 06:30 PM 22.56 N/A
Wednesday 04/29/2026 07:00 PM 22.56 N/A
Wednesday 04/29/2026 07:30 PM 22.57 N/A
Wednesday 04/29/2026 08:00 PM 22.58 N/A
Wednesday 04/29/2026 08:30 PM 22.60 N/A
Wednesday 04/29/2026 09:00 PM 22.60 N/A
Wednesday 04/29/2026 09:30 PM 22.61 N/A
Wednesday 04/29/2026 10:00 PM 22.61 N/A
Wednesday 04/29/2026 10:30 PM 22.64 N/A
Wednesday 04/29/2026 11:00 PM 22.64 N/A
Wednesday 04/29/2026 11:30 PM 22.65 N/A
Thursday 04/30/2026 12:00 AM 22.67 N/A
Thursday 04/30/2026 12:30 AM 22.64 N/A
Thursday 04/30/2026 01:00 AM 22.66 N/A
Thursday 04/30/2026 01:30 AM 22.67 N/A
Thursday 04/30/2026 02:00 AM 22.67 N/A

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