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Rock Creek near Osage (IFC)

Highest listed crest 1,150.05 ftFlood stage 1,142.0 ft6 crests since 2014

The Rock Creek near Osage (IFC) crested at major flood stage 1 time among the 6 crests the National Weather Service lists from 2014 to 2026. The highest, 1,150.05 ft on June 20, 2014, was major flooding, 8.05 feet above flood stage. 1 other gauge on the Rock Creek crested above flood stage within a week of it.

The gauge

Highest listed crest
1,150.05 ft
June 20, 2014
Flood stage
1,142.0 ft
Major flooding from 1,144.0 ft
Crests at major
1
93rd of 203 gauges in Iowa
Most recent flood crest
July 9, 2026
1,142.45 ft, minor flooding
Location
Mitchell County
Iowa
Identifiers
NWS OSRI4
No USGS station

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Rock Creek near Osage (IFC)
Action stage1,140.00—The level at which the NWS or its partners begin to take action
Flood stage (minor)1,142.01Jul 9, 2026Minimal or no property damage, but possibly some public threat
Moderate flood stage1,143.04Jul 30, 2025Some inundation of structures and roads near the stream
Major flood stage1,144.01Jun 20, 2014Extensive inundation of structures and roads

Every listed crest

6 crests from 2014 to 2026. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Rock Creek near Osage (IFC), 2014 to 2026 114211441146114811501152ft Flood stage 1,142.0 ftMajor 1,144.0 ft Jun 20, 2014: 1,150.05 ft, major floodingAug 24, 2016: 1,143.23 ft, moderate floodingSep 22, 2016: 1,143.93 ft, moderate floodingJul 24, 2025: 1,143.42 ft, moderate floodingJul 30, 2025: 1,143.52 ft, moderate floodingJul 9, 2026: 1,142.45 ft, minor flooding Highest, 1,150.05 ft, Jun 20, 2014 201520202025

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Rock Creek near Osage (IFC) 2010s: 3 3 2020s: 3 2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Rock Creek near Osage (IFC)
1Jun 20, 20141,150.05+8.05Major—
2Sep 22, 20161,143.93+1.93Moderate—
3Jul 30, 20251,143.52+1.52Moderate—
4Jul 24, 20251,143.42+1.42Moderate—
5Aug 24, 20161,143.23+1.23Moderate—
6Jul 9, 20261,142.45+0.45Minor—

The worst floods along the Rock Creek

For this gauge's highest crests, the other gauges on the Rock Creek that crested above flood stage within a week.

June 20, 2014: 1,150.05 ft here, major flooding

September 22, 2016: 1,143.93 ft here, moderate flooding

August 24, 2016: 1,143.23 ft here, moderate flooding

Gauges on the Rock Creek

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the Rock Creek
Orchard (IFC)IA1,034.51,040.79 ft, Jun 23, 20243
Osage (IFC) this gaugeIA1,142.01,150.05 ft, Jun 20, 20141

Other gauges in Mitchell County

Flood gauges in Mitchell County
Otranto (IFC)1,141.01,148.60 ft, Sep 23, 20160
St. Ansgar (IFC)1,104.01,109.48 ft, Jun 23, 20240
Carpenter83.087.86 ft, Jun 8, 20081
Orchard (IFC)1,081.51,083.44 ft, Jul 10, 20260

Mitchell County: every hazard · River floods across the country · Iowa

NOAA National Water Prediction Service, gauge OSRI4, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.