Mississippi River At Mel Price (alton) Lock And Dam

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Hydrograph

Stage Color Key
19 ft - Near Flood 21 ft - Minor Flood 29 ft - Moderate Flood 34 ft - Major Flood

Latest Observation: Tuesday June 2nd, 2026 10:30 AM CDT
River Status: Normal

  Height Flow
Currently 10.76 ft 169 kcfs
Record 42.72 ft 369500 cfs

Forecast
  Date (CDT) Stage (ft) Flow (kcfs)
  Wednesday 12/31/1969 06:00 PM 0.00 N/A
  Tuesday 06/02/2026 07:00 AM 10.70 N/A
  Tuesday 06/02/2026 01:00 PM 10.90 N/A
  Tuesday 06/02/2026 07:00 PM 11.10 N/A
  Wednesday 06/03/2026 01:00 AM 11.40 N/A
  Wednesday 06/03/2026 07:00 AM 11.60 N/A
  Wednesday 06/03/2026 01:00 PM 11.70 N/A

Observation
  Date (CDT) Stage (ft) Flow (kcfs)
Tuesday 06/02/2026 12:30 AM 10.51 N/A
Tuesday 06/02/2026 01:00 AM 10.51 N/A
Tuesday 06/02/2026 01:30 AM 10.52 N/A
Tuesday 06/02/2026 02:00 AM 10.53 N/A
Tuesday 06/02/2026 02:30 AM 10.54 N/A
Tuesday 06/02/2026 03:00 AM 10.54 N/A
Tuesday 06/02/2026 03:30 AM 10.55 N/A
Tuesday 06/02/2026 04:00 AM 10.56 N/A
Tuesday 06/02/2026 04:30 AM 10.57 N/A
Tuesday 06/02/2026 05:00 AM 10.59 N/A
Tuesday 06/02/2026 05:30 AM 10.60 N/A
Tuesday 06/02/2026 06:00 AM 10.61 N/A
Tuesday 06/02/2026 06:30 AM 10.63 N/A
Tuesday 06/02/2026 07:00 AM 10.64 N/A
Tuesday 06/02/2026 07:30 AM 10.66 N/A
Tuesday 06/02/2026 08:00 AM 10.67 N/A
Tuesday 06/02/2026 08:30 AM 10.69 N/A
Tuesday 06/02/2026 09:00 AM 10.71 N/A
Tuesday 06/02/2026 09:30 AM 10.72 N/A
Tuesday 06/02/2026 10:00 AM 10.74 N/A

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