Rivers in Missouri

Osage River near St. Thomas

Cole County, MissouriNWS STTM7USGS 06926510St. Charles office

Below flood stage
2.95ftStage

Observed Sun, Sep 20, 10:45 AM CDT

Flood stage
23.00 ft
Record crest
29.53 ft2015

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood35.00 ft
Moderate flood30.00 ft
Minor flood23.00 ft
Action16.00 ft
  1. 34.70 ftAdditional residences along Spring Beauty Lane become threatened near this height.
  2. 32.70 ftResidence near end of Spring Beauty Lane begins flooding near this height.
  3. 31.70 ftSecond residence along Old Ferry Road upstream of Route B bridge begins flooding near this height.
  4. 28.40 ftLowest residence at the end of Spring Beauty Lane begins flooding near this height.
  5. 26.60 ftLowest house on Old Ferry Road upstream of the bridge begins flooding near this height.
  6. 23.00 ftNear this height, Route W in Cole County will be closed in both directions.
  7. 20.50 ftAt least two farm houses become cut off by the rising water near the mouth of Profits Creek.
  8. 17.00 ftAt least 5 acres of farmland are flooded near the mouth of Profits Creek downstream of the gauge.
  9. 16.50 ftWater begins flooding the bank near Profits Creek mouth downstream of the gauge.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 26, 2026.

Crest history

20 crests on NOAA’s list since 1997.

#DateStage
1December 29, 201529.53 ft
2May 1, 201725.45 ft
3August 8, 201325.04 ft
4July 3, 201523.95 ft
5January 6, 200523.37 ft
6May 4, 201723.13 ft
7June 26, 199821.86 ft
8April 1, 200820.99 ft
9June 17, 200920.94 ft
10October 6, 199819.78 ft
11May 21, 201118.82 ft
12April 21, 201018.14 ft
13May 13, 200217.73 ft
14July 19, 200717.08 ft
15June 6, 200116.34 ft
16February 27, 199715.94 ft
17May 27, 200414.53 ft
18June 11, 200314.18 ft
19June 29, 200012.06 ft
20May 5, 200611.46 ft

Most recent crests

  • May 4, 2017: 23.13 ft
  • May 1, 2017: 25.45 ft
  • December 29, 2015: 29.53 ft
  • July 3, 2015: 23.95 ft
  • August 8, 2013: 25.04 ft
  • May 21, 2011: 18.82 ft
  • April 21, 2010: 18.14 ft
  • June 17, 2009: 20.94 ft
  • April 1, 2008: 20.99 ft
  • July 19, 2007: 17.08 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.