Rivers in Missouri

Blackwater River near Blue Lick

Saline County, MissouriNWS BLVM7USGS 06908000Pleasant Hill office

Below flood stage
6.85ftStage

Observed Tue, Sep 22, 2:45 AM CDT

Flood stage
24.00 ft
Record crest
41.53 ft1986

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood37.00 ft
Moderate flood29.00 ft
Minor flood24.00 ft
Action19.00 ft
  1. 37.00 ftCounty Road 339 also known as Old U.S. Highway 65 is flooded about 0.2 miles north of the Blackwater River.
  2. 31.00 ftThe Missouri-Pacific railroad tracks are overtopped.
  3. 29.00 ftLivestock in pastures along the river may be endangered. Extensive damage also occurs to cropland and pasture.
  4. 24.00 ftCropland and pastures along the river flood.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding55%
Moderate flooding24%
Major flooding5%

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

Crest history

205 crests on NOAA’s list since 1986.

#DateStage
1October 3, 198641.53 ft
2May 18, 199036.25 ft
3May 20, 199535.36 ft
4April 13, 199435.15 ft
5May 11, 200234.84 ft
6June 8, 200134.84 ft
7September 17, 199834.52 ft
8July 3, 200734.42 ft
9May 3, 201734.41 ft
10August 4, 202034.14 ft
11June 3, 201334.09 ft
12May 25, 201933.82 ft
13July 5, 201633.39 ft
14July 9, 199333.07 ft
15July 23, 199632.87 ft
16February 23, 199732.85 ft
17March 20, 202132.85 ft
18June 25, 202132.75 ft
19April 21, 202532.75 ft
20May 4, 201932.57 ft
21September 22, 201032.50 ft
22May 1, 202432.47 ft
23January 8, 200532.38 ft
24June 8, 201532.30 ft
25August 10, 201732.24 ft

Most recent crests

  • June 14, 2026: 27.31 ft
  • May 31, 2026: 25.04 ft
  • May 20, 2026: 26.38 ft
  • May 1, 2026: 29.67 ft
  • April 5, 2026: 31.01 ft
  • March 12, 2026: 24.96 ft
  • July 28, 2025: 27.78 ft
  • July 18, 2025: 26.47 ft
  • April 21, 2025: 32.75 ft
  • July 6, 2024: 30.87 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. Stage may be affected by ice. 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. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 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.